CWCountyWikiIndependent guide to local services
California

We remember your state on this device to show its pages first.

All states →
California · official local service finder

Zoning & building permits in California

Look up a property’s zoning and find the right permit office.

Compare other states →

Before you start · 2 things to check
  • Start with the jurisdiction of the property. County permit offices may serve only unincorporated areas.
  • Use the official map and confirm project requirements with the planning or building office.

179 guides with reviewed service links · Reviewed local guides

Choose a county on the map

Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties
California county mapChoose a county to open its directory. Use the county search and list for smaller counties.Alameda County: open directoryAlpine County: open directoryAmador County: open directoryButte County: open directoryCalaveras County: open directoryColusa County: open directoryContra Costa County: open directoryDel Norte County: open directoryEl Dorado County: open directoryFresno County: open directoryGlenn County: open directoryHumboldt County: open directoryImperial County: open directoryInyo County: open directoryKern County: open directoryKings County: open directoryLake County: open directoryLassen County: open directoryLos Angeles County: open directoryMadera County: open directoryMarin County: open directoryMariposa County: open directoryMendocino County: open directoryMerced County: open directoryModoc County: open directoryMono County: open directoryMonterey County: open directoryNapa County: open directoryNevada County: open directoryOrange County: open directoryPlacer County: open directoryPlumas County: open directoryRiverside County: open directorySacramento County: open directorySan Benito County: open directorySan Bernardino County: open directorySan Diego County: open directorySan Francisco County: open directorySan Joaquin County: open directorySan Luis Obispo County: open directorySan Mateo County: open directorySanta Barbara County: open directorySanta Clara County: open directorySanta Cruz County: open directoryShasta County: open directorySierra County: open directorySiskiyou County: open directorySolano County: open directorySonoma County: open directoryStanislaus County: open directorySutter County: open directoryTehama County: open directoryTrinity County: open directoryTulare County: open directoryTuolumne County: open directoryVentura County: open directoryYolo County: open directoryYuba County: open directory
County directory Reviewed service guides available
Map for browsing; agency service areas may differ.
Map source

U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

179 guides, grouped by county. Open your county below, or choose it above or type a city above to see each guide’s instructions, conditions and sources here.

Alameda4 guides
County government · Alameda

Alameda County Community Development Agency — Planning Department

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Alameda unincorporated zoning maps and Planning confirmation (opens in a new tab)
Alameda county map confirmation; urban unincorporated map directory

Disclaimer: Please contact the Planning Department to confirm zoning or if there is any question pertaining to this information by calling the phone number (510) 670-5400.

Official information checked October 26, 2026 · Details & sources

Alameda County land-use Planning application forms (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
County government · Alameda

Assessor

Serves Alameda County, California. Use the official service instructions to confirm jurisdiction and appointment requirements.

Parcel Map FAQs (opens in a new tab)
Assessor maps are not surveys

No. The Assessor’s Office cannot determine or verify exact property boundaries. Parcel maps are approximate representations for assessment purposes only. To determine actual property boundaries, you should hire a licensed land surveyor.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
City government · Alameda

Oakland — Planning & Building Department

City of Oakland building permit services. Confirm the requirements for your project with the city.

Oakland planning and zoning application forms (opens in a new tab)

Service area: City of Oakland planning and zoning application resources; confirm project requirements with the City.

Optional preliminary review application

Zoning Pre-application Form(PDF, 328KB) - Pre-applications are optional and allow you an opportunity to submit your preliminary plans for review by an assigned case planner.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Alpine3 guides
County government · Alpine

Alpine County Community Development — Planning Division

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Alpine Planning and development application portal instructions (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Existing Planning application search is separate from new filing

To search for, view, or edit an existing Planning permit application, go to the "Active Planning and Development Application".

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Amador3 guides
County government · Amador

Amador County Planning — GIS and mapping

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Amador land-use application submission instructions (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Online land-use filing, in-person submittals and project-specific follow-up

Land use applications can be submitted via the link above. Projects will be assigned to a staff planner who will contact you to discuss anticipated processing times and any other information that may be needed for your scope of work. In person submittals are still accepted from 8 AM to 4:30 PM. For additional forms and information that is not provided online, please contact the Planning Department at (209) 223-6380.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Butte3 guides
County government · Butte

Butte County Development Services — Planning map information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Butte zoning map, overlay maps and Parcel Lookup instructions (opens in a new tab)
Unincorporated overlay-map scope

These links (below) provide access to PDF maps showing overlay zones in the unincorporated portion of Butte County.

Official information checked October 26, 2026 · Details & sources

Butte Planning project applications and filing guides (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Planning electronic email and alternative paper submission

Electronic submittals will be accepted by emailing the Development Services Planning Division. If you cannot furnish an electronic copy, you may submit a paper copy via mail or submitted at the Development Services office at:

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Calaveras3 guides
County government · Calaveras

Assessor

Listed for Calaveras County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.

Parcel Maps (opens in a new tab)
Uncertified assessment maps

NOTICE: Assessor Parcel maps are designed for assessment purposes only and are not official survey documents. Data provided is for informational purposes only. The maps and data available here are NOT CERTIFIED. If you require information or maps for ANY legal purpose, please contact the County Assessor's Office for assistance at (209) 754-6356.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Calaveras

Calaveras County Planning Department

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Calaveras Planning application-resource referral (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Colusa4 guides
County government · Colusa

Colusa County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Colusa Planning permits and application portal (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Planning requires online portal submission

All Applications must be submitted through the Online Permit Portal.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Colusa

Colusa County Public Works — GIS

County GIS/planning resource. The map is informational; confirm property jurisdiction, layer accuracy and project requirements with the responsible office.

Colusa countywide and community zoning maps (opens in a new tab)
Explicit zoning-layer activation; not inferred from generic GIS

Interactive GIS Tool (You must turn on the Zoning Layer through the green circle icon at the bottom)

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Contra Costa3 guides
County government · Contra Costa

Conservation & Development — Building Permits

County building permits and inspections for unincorporated Contra Costa and Clayton, Hercules, Lafayette, Moraga and Orinda. Planning approvals within those cities remain with the city or town.

1 more service link
Contra Costa CCMAP zoning and property research referral (opens in a new tab)

Service area: General Plan and zoning map information for unincorporated Contra Costa County areas only.

CCMAP county zoning and General Plan scope

Note the general plan and zoning information is available for unincorporated County areas only.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Contra Costa

Contra Costa County Planning

County Planning reviews projects only in unincorporated Contra Costa County. Incorporated cities and towns retain their own planning agencies; Building contracts do not change Planning authority.

Contra Costa Planning application routes (opens in a new tab)

Service area: County Planning reviews projects only in unincorporated Contra Costa County. Incorporated cities and towns retain their own planning agencies; Building contracts do not change Planning authority.

Minor Planning applications: ePermit and listed project categories

Minor applications are submitted through the ePermit Center and are often processed administratively, unless a public hearing is requested. Minor Applications are used for Home Occupation Permits or Property Use Verifications, Substandard Sized Lot Design Reviews, and Kensington Design Reviews.

Official information checked October 26, 2026 · Details & sources

General Planning application review and project-dependent timing

Most planning permits are submitted as a General Application because they require additional review by a planner. The time to process a project varies significantly depending on the complexity. These projects often require significant backup documentation. Some projects may require a public hearing.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Del Norte3 guides
County government · Del Norte

Del Norte County — Planning zoning information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Del Norte Planning development-permit application resources (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
El Dorado3 guides
County government · El Dorado

Assessor

Listed for El Dorado County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.

El Dorado Assessor parcel-page copies and map distinctions (opens in a new tab)
Assessor diagram distinguished from recorded survey/parcel/subdivision documents

However, please be advised the Assessor's Parcel Pages are not surveys; they are prepared by the Assessor's office for tax assessment purposes only.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · El Dorado

El Dorado County Planning Division

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

El Dorado Planning parcel-data zoning instructions (opens in a new tab)
Parcel Data Lookup search input

You will be asked to supply the parcel's APN or Assessor's Parcel Number. If you do not have the APN, select APN Lookup.

Official information checked October 26, 2026 · Details & sources

El Dorado Planning applications and required submittal forms (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Conditional-use review body depends on project complexity

Conditional Use Permits will be reviewed by either the Zoning Administrator or the Planning Commission, depending on the complexity of the project. Click on application link below for more information on process.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Fresno4 guides
Glenn2 guides
County government · Glenn

Planning & Community Development Services

Building & Safety · Planning & Zoning

Glenn Planning Division application resources (opens in a new tab)
Planning Division development-permit types

Process the various types of development permits including Conditional Use Permits, Administrative Permits and Tentative Parcel Maps

Official information checked October 26, 2026 · Details & sources

1 more service link
Full guide, contact details & sources →
Humboldt3 guides
County government · Humboldt

Assessor

Listed for Humboldt County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.

Humboldt Assessor parcel-map inquiry referral (opens in a new tab)
Published Web GIS searching; no actual parcel lookup performed

Search by address or parcel number is available in all applications.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Humboldt

Humboldt County Planning and Building — Web GIS

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Humboldt Web GIS zoning scope and instructions (opens in a new tab)
City zoning remains with the city, although county GIS includes parcel boundaries there

Contact each city for General Plan Land Use and Zoning Designations for city parcels.

Official information checked October 26, 2026 · Details & sources

Humboldt Planning permit application instructions (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Accela pre-application record instructions

Once you have an account navigate to the "Pre-Application" tab (1), check the box certifying you have read and accept the terms (2), and click the "Continue Application" button (3).

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Imperial2 guides
County government · Imperial

Assessor

Listed for Imperial County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.

Imperial Assessor parcel/plat-map referral (opens in a new tab)
County Assessor GIS reference use; not legal or surveyed boundary

The GIS information is used to locate, identify and inventory parcels of land in Imperial County for appraisal and taxation purposes only

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Imperial

Imperial County Planning & Development Services

Imperial County building permit services. Confirm which county or city agency handles your property before applying.

2 more service links
Full guide, contact details & sources →
Inyo4 guides
County government · Inyo

Assessor

Listed for Inyo County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.

GIS Data & Maps (opens in a new tab)
Published GIS datasets and web maps

Inyo County's Geographic Information System (GIS) provides access to many datasets, including; parcels, road centerlines, addresses, a variety of environmental hazards, administrative boundaries, elevation data, and imagery. Data can be downloaded in GIS format, or viewed in web maps. The GIS staff are located in the Information Services Department, and provide services and data to public and private organizations, individuals, and county employees.

Official information checked October 26, 2026 · Details & sources

Spatial accuracy limitation

Spatial errors - The areas depicted by these maps/data are approximate, and are not necessarily accurate to surveying or engineering standards. X/Y coordinates may be in error by several hundred feet or more.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Inyo

Inyo County Information Services — GIS

Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.

Inyo Information Services public GIS zoning layer (opens in a new tab)
Actual public application layer list; no feature or parcel queries

Planning General Plan Zoning

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Kern4 guides
County government · Kern

Kern County — Planning map information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Kern official zone-map directory referral (opens in a new tab)
Kern Public Works zone-map catalogue filename instructions

Zone Maps are named with a leading "Z" (for Zone Map)

Official information checked October 26, 2026 · Details & sources

Kern Planning application and form directory (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
County government · Kern

Public Works — Building Inspection

Kern County building permit services. Confirm which county or city agency handles your property before applying.

County building permit information (opens in a new tab)
Public Services Building permit technician counter and phone line — source notice for Tuesday, October 20

Permit Technician counter and phone line at the Public Services Building will be CLOSED on Tuesday, October 20, from 11:30 a.m.-1:30 p.m. for an Employee Appreciation Luncheon. Regular hours of operation will resume at 1:30 p.m.

Official information checked October 14, 2026 · Details & sources

Full guide, contact details & sources →
Kings2 guides
County government · Kings

Community Development Agency

Kings County building permit services. Confirm which county or city agency handles your property before applying.

Kings planning-permit applications — county portal referral (opens in a new tab)
County states both building/planning applications use digital submission

The Kings County Community Development Agency has shifted from accepting paper applications for permits to only digital applications. Please use the link above to be taken to the New Online Permit Center to submit new Building Permits and Planning Permits. If you have any additional questions please email kcgc.building@co.kings.ca.us or give us a call at (559)852-2670. We appreciate your patience and cooperation and we will keep you updated on any further changes.

Official information checked October 26, 2026 · Details & sources

1 more service link
Kings Community Development zoning and overlay map layers (opens in a new tab)
County Community Development public GIS reference limitation

In particular, these maps are NOT based on legal property boundaries.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Lake3 guides
County government · Lake

Community Development — Building Safety

Lake County building permit services. Confirm which county or city agency handles your property before applying.

2 more service links
Lake Building and Safety zoning-map instructions (opens in a new tab)
Building and Safety's own map/code instruction

Check your Base Zoning and Full Zoning using our GIS viewer and our Zoning Ordinance

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Lassen2 guides
County government · Lassen

Planning & Building Services

Lassen County building permit services. Confirm which county or city agency handles your property before applying.

Lassen zoning information requests to Planning and Building (opens in a new tab)
Purpose-labelled zoning inquiry; no verified online zoning map

For general information and Zoning requests, please contact our office.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Los Angeles5 guides
City government · Los Angeles

Long Beach — Building & Safety Bureau

City of Long Beach building permit services. Confirm the requirements for your project with the city.

City building permit information (opens in a new tab)
Community Development and Permit Center — source notice for Tuesday, November 3

In observance of Election Day, the Community Development Department and its Permit Center will be closed on Tuesday, Nov. 3. We will be back the next day ready to serve you.

Official information checked October 14, 2026 · Details & sources

Community Development and Permit Center — source notice for Thursday, December 10

On Thursday, Dec. 10, the Community Development Department and its Permit Center will be closed from 10 a.m. – 4:30 p.m. for an all-staff training. Regular hours will resume the following day, Friday, Dec. 11.

Official information checked October 14, 2026 · Details & sources

Full guide, contact details & sources →
County government · Los Angeles

Los Angeles County Planning — GIS-NET Public

Unincorporated Los Angeles County; excludes its 88 incorporated cities.

Los Angeles County Planning — file an application (opens in a new tab)
EPIC-LA account and access instructions

You will need to register in EPIC-LA to apply online or pay fees. Read the registration instructions for more information. Read the add contact instructions if you need to add more people to access a case.

Official information checked October 26, 2026 · Details & sources

Official submission follows payment; not permit approval

Your application is considered officially submitted once you have paid the fee(s).

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Los Angeles

Los Angeles County Public Works — Land Records Information maps

Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.

Los Angeles Public Works recorded parcel-map catalogue (opens in a new tab)
Recorded Parcel Maps catalogue; not Assessor APN map numbering

The Parcel Map numbers listed indicate the first or cover page of the Parcel Map. Multi-page Parcel Maps are listed by the first page only.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Madera5 guides
Marin2 guides
County government · Marin

Community Development Agency

Building & Safety · Planning & Zoning

1 more service link
Marin zoning and Countywide Plan lookup instructions (opens in a new tab)
Official zoning/Countywide Plan search

Vacant parcels are only searchable by Assessor Parcel Number.

Official information checked October 26, 2026 · Details & sources

Official lookup input guidance

Begin typing the full address or Assessor Parcel Number, including leading zeros.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Mariposa4 guides
County government · Mariposa

Assessor-Recorder

Mariposa County record services. Birth/death records and marriage-certificate availability follow the specific official instructions linked below. Certificate copies and marriage-license applications are different services.

GIS (Mapping) (opens in a new tab)
Zoning lookup resource

Public Zoning Lookup Tool - GIS dashboard useful for determining the zoning for a parcel and learning about the permitted uses for each zone type.

Official information checked October 26, 2026 · Details & sources

Assessor map-page viewer

APN Map Page Viewer -- search for, save, and print the current Assessor's Parcel Map page for a parcel of interest.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Mariposa

Mariposa County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Mariposa Planning application information and permitting center (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Separate Planning charges and invoice after project submission

The Planning fee schedule below is organized so that each service is charged separately. You will receive a detailed invoice once your project is submitted. If you would like an estimate of fees prior to submittable, please contact our office.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Mendocino3 guides
County government · Mendocino

Mendocino County Information Services — GIS

Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.

Mendocino GIS zoning web-map guide (opens in a new tab)
GIS reference limitation

Do not use this map or its associated data to determine property boundaries or to make financial decisions.

Official information checked October 26, 2026 · Details & sources

Mendocino GIS APN and parcel-map guide (opens in a new tab)
Published APN format; no parcel queried

The APN must be eight digits (e.g. 11122203). If it exceeds this length you may need to remove the last 2 numbers.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Mendocino

Planning & Building Services

Building & Safety · Planning & Zoning

Mendocino Planning inland and coastal application resources (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Planner consultation and pre-application conference options

If you have specific questions regarding a proposed or past project, we encourage you to consider a Planner Consultation Meeting or a Pre-Application Conference.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Merced3 guides
County government · Merced

Merced County Community and Economic Development — Planning map information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Merced Planning community zoning-map directory (opens in a new tab)
Published PDF viewing instructions; file contents/revision dates not inferred

To view the Zoning and General Plan maps side by side in Adobe (reader or pro)

Official information checked October 26, 2026 · Details & sources

Merced County Planning application and online submission instructions (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Modoc3 guides
County government · Modoc

Modoc County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Modoc Planning application portal and permit assistance (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Examine zoning maps at the Modoc Planning Department (opens in a new tab)
Specific statutory office map-examination access. This does not establish an online viewer, present counter opening, appointment policy, copy availability or price.

Copies shall be maintained and shall be available for examination in the planning department during normal working hours.

Official information checked October 26, 2026 · Details & sources

Statutory zoning-map scope is the unincorporated county; a city map is not substituted for this county service.

A series of maps known as zoning maps shall be utilized to show the designations, locations, and boundaries of each zone district established by this title within the unincorporated areas of Modoc County.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Mono3 guides
County government · Mono

Mono County Community Development — Planning

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Mono combined General Plan and zoning map information (opens in a new tab)
Explicit combined-plan context; not a generic assumption that all General Plan maps are zoning maps

Mono County is unique in that the General Plan and Zoning Code have been combined into one document.

Official information checked October 26, 2026 · Details & sources

Mono Planning land-use application directory (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Monterey4 guides
County government · Monterey

Monterey County Information Technology — GIS

Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.

Monterey official unincorporated zoning lookup referral (opens in a new tab)
Zoning lookup scope; distinct from wider parcel reports and city jurisdiction

Zoning Look-Up - Determine zoning for any location in unincorporated Monterey County.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Monterey

Monterey County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Monterey County Planning application process (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Later condition compliance before ministerial permits

The adopted resolution for the project will include a matrix that specifies Conditions of Approval and/or Mitigation Measures that must be met prior to obtaining ministerial permits and at other stages of the development process. Additional condition compliance application fees will be due at this time.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Napa2 guides
County government · Napa

Assessor

Serves Napa County, California. Use the official service instructions to confirm jurisdiction and appointment requirements.

Assessor Parcel Maps - Subscription Only (opens in a new tab)
Subscription access and separate map charges

Map Subscriptions: Subscriptions for online access to filed maps and assessor parcel maps are also available for customers regularly needing filed or assessor maps. The charge for maps is the same by subscription but you can download the maps directly and be charged automatically. Please complete an Online Map Access Sign-Up application.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Napa

Planning, Building & Environmental Services

Building & Safety · Planning & Zoning

2 more service links
Napa Planning applications and submittal documents (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Nevada4 guides
Orange3 guides
County government · Orange

OC Development Services

Unincorporated Orange County building permits, inspections and planning.

2 more service links
Orange zoning information in Land Records and map directory (opens in a new tab)
Explicitly dated published PDF link; not a new current-map revision claim

County of Orange Zoning Map - 2016

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Placer3 guides
County government · Placer

Placer County — Planning Services zoning research

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Placer Planning application fees, forms and instructions (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Plumas4 guides
County government · Plumas

Plumas County — GIS map information

Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.

Plumas official GIS zoning-map referral (opens in a new tab)
County GIS map portal limitation

Parcel boundary lines should be considered a graphical representation and not in any way a legal survey or engineering document.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Riverside3 guides
County government · Riverside

Building and Safety Department

Riverside County building permit services. Confirm which county or city agency handles your property before applying.

Riverside Building and Safety Find My Zoning instructions (opens in a new tab)
Building and Safety zoning instruction; no parcel-specific allowed-use conclusion

If zoning shows a Specific Plan (SP####) → use the Specific Plans page.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Riverside

Riverside County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Riverside County Planning development applications (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

PLUS Online Planning application instructions

Planning applications may be submitted online through PLUS Online. See instructions HERE.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Sacramento4 guides
County government · Sacramento

Community Development — Building Permits & Inspection

Sacramento County building permit services. Confirm which county or city agency handles your property before applying.

2 more service links
Interactive Zoning Map (opens in a new tab)
Incorporated-city jurisdiction

Contact the appropriate jurisdiction for questions regarding parcels within city boundaries.

Official information checked October 26, 2026 · Details & sources

Parcel-line and graphic limitations

The information and related graphics published on this site could include technical inaccuracies or typographical errors. Parcel lines may not accurately reflect legal descriptions. Changes are periodically added to the information herein. Furthermore, Sacramento County and/or its respective suppliers may make improvements and/or changes in the product(s) and/or the service(s) described herein at any time.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Sacramento

Sacramento County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Sacramento County Planning applications and email filing (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Most Planning applications use the specified email route

​Submittal - Unless otherwise specified, all applications should be submitted by email to planning-applications@saccounty.gov​.

Official information checked October 26, 2026 · Details & sources

Existing paid-project resubmittals go to assigned project manager

Have an active, paid project? - ​Any resubmittals and communications for active applications should be sent directly to the assigned Project Manager. Please include the project number (often beginning with PLNP or DRCP) in your email communications.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
San Benito2 guides
County government · San Benito

Assessor

Listed for San Benito County, California. The cited official directory identifies this office; task requirements and the availability of individual locations must be confirmed with the office.

Geographic Information Systems (GIS) (opens in a new tab)
County and listed city map resources

Welcome to the San Benito County GIS Web Portal. The web portal will allow you to interact with geographic data and create your own custom maps for the county of San Benito, Cities of Hollister and San Juan Bautista. We have information for landuse, zoning, general plan, fault lines, jurisdictions, polling places and more to come in the future.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · San Benito

Resource Management Agency

San Benito County building permit services. Confirm which county or city agency handles your property before applying.

San Benito county GIS zoning and land-use information (opens in a new tab)
GIS data coverage does not establish county planning authority in the cities

for the county of San Benito, Cities of Hollister and San Juan Bautista.

Official information checked October 26, 2026 · Details & sources

1 more service link
Full guide, contact details & sources →
San Bernardino3 guides
County government · San Bernardino

San Bernardino County Land Use Services — Planning zoning maps

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

San Bernardino unincorporated zoning and overlay maps (opens in a new tab)
County zoning jurisdiction

The County of San Bernardino regulates zoning for all unincorporated areas of the county.

Official information checked October 26, 2026 · Details & sources

San Bernardino Planning application filing instructions (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Account required for EZOP records and document submission

An EZOP account is necessary to create a record and submit documents. To register, please access the EZ Online Permitting (EZOP) portal at https://wp.sbcounty.gov/ezop/.

Official information checked October 26, 2026 · Details & sources

Planning review starts after full documents and fee payment

Once payment and all necessary documents have been uploaded the application will be routed to the Planning Division, it will then be assigned to a Planner. The Review of your application by a planner will not begin until after all necessary documents have been uploaded into the application and the full application fee paid.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
San Diego4 guides
County government · San Diego

Assessor/Recorder/County Clerk

Assessor · Recorder

San Diego Assessor parcel-map copies and search guide (opens in a new tab)
Assessor map copies, not a survey or legal ownership determination

Assessor Parcel Maps can be bought online, in person, or by mail upon request.

Official information checked October 26, 2026 · Details & sources

Map-copy mail-request input

Assessor’s Parcel Number (APN) or Map Number

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · San Diego

San Diego County Planning and Development Services — zoning information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

San Diego County discretionary Planning permit resources (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
San Francisco3 guides
San Joaquin3 guides
County government · San Joaquin

Community Development Department

San Joaquin County building permit services. Confirm which county or city agency handles your property before applying.

San Joaquin Community Development zoning lookup instructions (opens in a new tab)
Planning FAQ search inputs and viewer

visit www.sjmap.org. Click on the link to District Viewer, and search by APN or address.

Official information checked October 26, 2026 · Details & sources

San Joaquin County Planning application directory (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
San Luis Obispo3 guides
County government · San Luis Obispo

Department of Planning and Building

Unincorporated San Luis Obispo County building and planning services.

1 more service link
San Luis Obispo zoning and property-information guide (opens in a new tab)
Planning guide first distinguishes which land-use ordinance/map context applies

Check to see if the parcel is in the Inland Area or the Coastal Zone

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
San Mateo2 guides
County government · San Mateo

Planning & Building

San Mateo County building permit services. Confirm which county or city agency handles your property before applying.

San Mateo planning-permit application process (opens in a new tab)
Planning approval and building-permit sequence

You may need one or both depending on your proposed project. If you need both permits, you must get the planning permit before applying for the building permit. Having an approved planning permit does not mean that you can start construction without first getting a building permit.

Official information checked October 26, 2026 · Details & sources

Planning email/counter filing; only the listed planning categories are online

The county describes email/counter planning submissions and a specific list of planning permits accepted online. Online building-permit filing is a separate process.

Official information checked October 26, 2026 · Details & sources

1 more service link
San Mateo unincorporated zoning GIS instructions (opens in a new tab)
Planning GIS lookup input requirement

You will need the 9-digit APN (0XX-XXX-XX0) for the property. The GIS Database may not be able to find property-specific information by address.

Official information checked October 26, 2026 · Details & sources

Multiple zoning overlays require the applicable ordinance sections

Each “layer” represents a distinct chapter or section in the County’s Zoning Regulations.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Santa Barbara2 guides
Santa Clara3 guides
County government · Santa Clara

Department of Planning and Development

Santa Clara County building permit services. Confirm which county or city agency handles your property before applying.

1 more service link
Santa Clara zoning atlas and Property Explorer guide (opens in a new tab)
County zoning atlas directory, distinct from Property Explorer

The zoning atlas is a very large file consisting of 281 map sheets

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Santa Cruz2 guides
County government · Santa Cruz

Community Development & Infrastructure — Unified Permit Center

Santa Cruz County building permit services. Confirm which county or city agency handles your property before applying.

3 more service links
Santa Cruz County Planning GIS zoning instructions (opens in a new tab)
Official zoning display instructions

To see the zoning map, click the box next to "Zoning (text)" and "Zoning Graphic." This will turn on those layers.

Official information checked October 26, 2026 · Details & sources

Santa Cruz Planning parcel GIS and map-report instructions (opens in a new tab)
Official GIS search instruction; no private parcel queried

Use your Assessor's Parcel Number (APN). Enter your APN in the search field (#1) and click the magnifer button.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Shasta3 guides
County government · Shasta

Assessor-Recorder

Shasta County record services. Birth/death records and marriage-certificate availability follow the specific official instructions linked below. Certificate copies and marriage-license applications are different services.

Shasta Assessor plat-map office viewing and copy instructions (opens in a new tab)
Office-computer plat map viewing only; not free copies or online availability

The Assessor's current roll and plat maps are available for viewing on computer in the Assessor's Office from 8:00 AM - 5:00 PM, Monday through Friday, without charge.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Shasta

Shasta County Resource Management — Planning Division

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Shasta Planning application packets and Master Application (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Sierra3 guides
County government · Sierra

Sierra County Planning Department

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Sierra Planning paper-map access and current zoning inquiries (opens in a new tab)
Explicit lack of a current countywide online zoning map

Sierra County does not currently have a current, countywide Zoning Map or Zoning Plan as a GIS layer or other "official" digital map.

Official information checked October 26, 2026 · Details & sources

Paper maps require current Planning confirmation

However, these "hard copy" maps do not reflect all subsequent rezones (or zone changes/amendments) since 1973.

Official information checked October 26, 2026 · Details & sources

Sierra Planning entitlement applications and review process (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Hearing determination, appeal and variable processing time/fees

The staff recommendation is presented in a public hearing before the Planning Commission which will make a for determination to approve or deny the application. The Planning Commission may approve, approve subject conditions, or deny the application. Any decision by the Planning Commission may be appealed to the Board of Supervisors. Processing time and fees differ based on the type of application. For more information, please contact us.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Siskiyou3 guides
County government · Siskiyou

Siskiyou County — Planning zoning information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Siskiyou Planning applications and accompanying guides (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Solano3 guides
County government · Solano

Solano County Resource Management — Planning Services

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Solano unincorporated zoning and GIS Parcel Viewer guide (opens in a new tab)
Actual zoning-specific GIS instruction page

This page acts as a guide for determining your zoning using the GIS Parcel Viewer

Official information checked October 26, 2026 · Details & sources

Solano Planning application submittal resources (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Sonoma2 guides
Stanislaus3 guides
County government · Stanislaus

Planning & Community Development — Building Permit Services

Stanislaus County building permit services. Confirm which county or city agency handles your property before applying.

1 more service link
Full guide, contact details & sources →
County government · Stanislaus

Stanislaus County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Stanislaus County use-permit application process (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Use-permit hearing may approve or deny the proposal

The Stanislaus County Planning Commission will consider the application at an advertised public hearing. The Planning Commission will either approve or deny the application.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Sutter4 guides
County government · Sutter

Sutter County — Geographic Information Systems

Official geographic information and map-access function. A county association identifies the published provider/referral context; it does not assert legal map boundaries, county planning authority inside cities, or complete coverage of every layer.

Sutter official Planning GIS zoning lookup referral (opens in a new tab)
Specifically named zoning/general-plan app, distinct from Assessor GIS & Record Maps

Planning GIS Lookup App

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
County government · Sutter

Sutter County Planning

County Planning application information; confirm the applicable property and project jurisdiction.

Sutter Planning applications, forms and formal-submittal limits (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Staff-directed upload is not formal application submittal

Submitting documents through this link does not constitute formal submittal of an application. Only use this link if you are directed to by Planning staff. Please ensure that your contact information is on each document submitted.

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Tehama4 guides
County government · Tehama

Tehama County Planning Department

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Tehama Planning zoning inquiries and public map information (opens in a new tab)
Actual public viewer county layer list; no attributes/features requested

Tax Parcel Zoom to Opacity 100% View in Attribute Table Zip Codes Zoom to Opacity 100% View in Attribute Table Zoning

Official information checked October 26, 2026 · Details & sources

Tehama Planning applications and checklists (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Public authority · Tehama

Tehama County Transportation Commission — public Regional Viewer

Actual public Regional Viewer published by Tehama County Transportation Commission. This public-authority map function is not a county GIS department and is not merged into the county government. Its tax-parcel and county/city reference layers do not establish legal boundaries or planning jurisdiction.

Tehama public Regional Viewer tax-parcel layer (opens in a new tab)
Public Regional Viewer layer group; tax parcels differ from city-specific zoning layers

Building / Planning / Tax Address Points

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Trinity3 guides
County government · Trinity

Trinity County Community Development — Planning Division

County GIS/planning resource. The map is informational; confirm property jurisdiction, layer accuracy and project requirements with the responsible office.

1 more service link
Trinity Planning Hayfork community zoning-map directory (opens in a new tab)
Named Hayfork community resource only, without countywide current zoning-map claim

Hayfork Community Zoning Map (PDF)

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Tulare2 guides
County government · Tulare

Assessor/Clerk-Recorder

Assessor · Recorder

Tulare Assessor current and historical map directory (opens in a new tab)
Assessment map reference only; individual map files not downloaded

All Assessor maps are prepared for local property assessment purposes only and the parcels shown thereon may not comply with State and Local subdivision ordinances

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Tuolumne3 guides
County government · Tuolumne

Community Development — Building Division

Unincorporated Tuolumne County building permits and inspections.

2 more service links
Tuolumne Building and Land Use map referral and limitations (opens in a new tab)
Application explicitly incomplete for Open Space zoning

Parcels may have Open Space zonings that are not yet mapped.

Official information checked October 26, 2026 · Details & sources

Individual amended zoning areas need the ordinance or Planning, not a GIS inference

If your parcel has multiple zoning districts, click the Ordinance link in the Parcel Info popup or contact the Planning Division

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →
Ventura3 guides
County government · Ventura

Ventura County Resource Management — Planning zoning information

Official county Planning map/information function. County zoning applies to its unincorporated jurisdiction; included city maps, federal/state land and third-party reference layers do not transfer planning authority. Map access, inquiry and partial community-map limits remain stated on each service.

Ventura unincorporated zoning lookup and CountyView fallback (opens in a new tab)
Official lookup input

Enter the 9 or 10-digit Assessor Parcel Number (APN) and click on Submit.

Official information checked October 26, 2026 · Details & sources

Check whether the parcel is in the unincorporated county before applying county zoning

turn on the “Cities” layer under the “Layers” tab when using the County View GIS.

Official information checked October 26, 2026 · Details & sources

Ventura Planning permit application resources (opens in a new tab)

Service area: County Planning application information. Confirm jurisdiction for the property and project; incorporated-city authority is not established by this entry.

Full guide, contact details & sources →
Yolo3 guides
Yuba3 guides
County government · Yuba

Community Development Services — Building Department

Unincorporated Yuba County building permits and inspections.

3 more service links
Yuba Building Department zoning map and quick-check referrals (opens in a new tab)
Published wording of Building guide zoning-map input instruction

Search by Address of Parcel ID

Official information checked October 26, 2026 · Details & sources

Full guide, contact details & sources →

Selected agencies, with sources checked individually. See all coverage and sources.