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California · official local service finder

Zoning & building permits in California

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

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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.

4 guides with reviewed service links · Alameda

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

County government · Alameda

Assessor

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

Look up a parcel (opens in a new tab)Official instructions

Official assessor maps and property information. Read the office’s current requirements before continuing.

Source checked October 12, 2026

Alameda County · Alameda County — assessor (opens in a new tab)

Service link: Look up a parcel

Look up a parcel

Saved evidence: 2b639b5b714f9c47 · Agent source review

Parcel Map FAQs (opens in a new tab)Official instructions

Officially linked county property-map resource. This verifies the referral and stated label; interactive layers, parcel results, legal boundaries, buildability and application eligibility are not determined here.

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

Source checked October 26, 2026

Alameda County · Alameda County — assessor (opens in a new tab)

Official property-office map referral: Parcel Map FAQs

Parcel Map FAQs

Saved evidence: 2b639b5b714f9c47 · Agent source review

Parcel Map FAQs (opens in a new tab)Official instructions

Officially linked county property-map resource. This verifies the referral and stated label; interactive layers, parcel results, legal boundaries, buildability and application eligibility are not determined here.

Source checked October 26, 2026

Alameda County · Alameda County — assessor (opens in a new tab)

Official property-office map referral: Parcel Map FAQs

Parcel Map FAQs

Saved evidence: 2b639b5b714f9c47 · Agent source review

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

Public Works Agency — Building Services

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

County building permit information (opens in a new tab)Official instructions

Official county building permit guidance. Service boundaries and project requirements must be confirmed with the department.

Source checked October 14, 2026

Alameda County · Alameda — building permit department (opens in a new tab)

Official page text containing: Apply for building permits, submit plans, schedule inspections and check permit status through the Alameda County Permit

Programs & Services Projects Permits Doing Business with Us Careers Select Page search search Permits Building Permits Apply for building permits, submit plans, schedule inspections and check permit status through the Alameda County Permit Portal. Go to Building Permit Portal You’ll be redirected to the Alameda County Permit Portal. Public Works Permits Select a permit category below to find permit requirements and application information. Not sure which permit you need? Contact Us Encroachment Work within County roads, sidewalks, and public rights-of-way. Drilling & Wells Well construction, modifica

Saved evidence: e598ea07d81e03b5 · Agent source review

Go to Building Permit Portal (opens in a new tab)Official instructions

Official permitting resource linked by the department. Check the available permit types and application instructions before starting.

Source checked October 14, 2026

Alameda County · Alameda — building permit department (opens in a new tab)

Official page text containing: Go to Building Permit Portal

building permits, submit plans, schedule inspections and check permit status through the Alameda County Permit Portal. Go to Building Permit Portal You’ll be redirected to the Alameda County Permit Portal. Public Works Permits Select a permit category below to find permit requirements and application information. Not sure which permit you need? Contact Us Encroachment Work within County roads, sidewalks, and public rights-of-way. Drilling & Wells Well construction, modification, and drilling activities

Saved evidence: e598ea07d81e03b5 · Agent source review

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.

City building permit information (opens in a new tab)Official instructions

Official city building permit guidance and application resources.

Source checked October 14, 2026

City of Oakland · Oakland — building permit department (opens in a new tab)

Official page text containing: Planning & Building

using (R2H2) Program City Real Estate Development Opportunities Oakland and State Water Regulations Working for Oakland Planning & Building Doing Business with the City Doing Business With The City- Register with iSupplier Capital Contracts Division Border Wall and Debarred Contractors City Contracting Equity Contract Administration Unit Apply to be a Contractor Shop Oakland Map Shop Oakland Map FAQs Planning & Building Planning & Building Department One-Stop Permit Center: In-Person & Online S

Saved evidence: a078740c34fbf33a · Agent source review

Enter Your Address Into the Zoning Map (opens in a new tab)Official instructions

Official property research or mapping resource linked from the permit information. Use the department to confirm jurisdiction and project requirements.

Source checked October 14, 2026

City of Oakland · Oakland — building permit department (opens in a new tab)

Official page text containing: Enter Your Address Into the Zoning Map

p Guide to Your Home Project Homeowner Projects & Permits Rehab Right Major Housing Projects (Apartment buildings, etc) Enter Your Address Into the Zoning Map Local Contractors and Resources Community Events & Culture Arts and Culture in Oakland Events Special Events & Permits Special Activity Permits Subscribe for Cultural Affairs Updates Pets & Animals Animal Control Division Licensing Your Dog Adopt a Pet Foster a Pet Lost or Found Pet Search for Stray Pets Volunteer with Oakland Animal Services Wildlife Rescu

Saved evidence: a078740c34fbf33a · Agent source review

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

City of Oakland Planning and Building forms for submitting/processing zoning and building applications. Multiple approvals may be needed; the City scope and its previously reviewed place association are retained.

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

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

Source checked October 26, 2026

Oakland Planning and Building forms · Oakland Planning and Building forms (opens in a new tab)

Oakland planning and zoning application forms

This page provides a series of Planning & Building forms for submitting and processing zoning and building applications and permits. They are provided here for your convenience, but you may need to talk to a planner, permit technician, or plan check engineer to advise you on the permits your project may require. Proposals may involve multiple permit approvals depending on the complexity of the land use issues and location of the proposed project.

Saved evidence: 755641ea3b6833e3 · Agent source review

Full guide, contact details & sources →
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)Official instructions

County Planning's urban unincorporated zoning-map directory and Zoning Viewer/PAM links. Ashland, Cherryland, Fairview and San Lorenzo maps are individually listed; contact Planning to confirm zoning. Oakland's municipal zoning map remains a separate service.

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

Source checked October 26, 2026

Alameda official map information · Alameda official zoning map information candidate (opens in a new tab)

Official county map/provider evidence: exact named map, actual layer list, access instructions or limitation

The following zoning maps cover the urban unincorporated area and are provided to determine zoning on a given property.

Saved evidence: c87cc93c4137e121 · Agent source review

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

County Planning form directory and project-submittal checklist. Some individual use-permit PDFs are expressly marked archive items; their present validity and full contents are not established.

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

Source checked October 26, 2026

Alameda County · Alameda County planning application instructions and forms (opens in a new tab)

Land Use Planning Forms and Guides - Ordinance - Planning - Community Development Agency - Alameda County — service-planning-application-06001

Development Project Application Submittal Requirements - Checklist (PDF - 481kb) *

Saved evidence: 4873dcedd5a243a6 · Agent source review

Full guide, contact details & sources →

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