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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.

3 guides with reviewed service links · Contra Costa

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

County government · Contra Costa

Assessor

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

Maps & Property Information (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

Contra Costa County · Contra Costa County — assessor (opens in a new tab)

Official property-office map referral: Maps & Property Information

Maps & Property Information

Saved evidence: 35328b7978564df7 · Agent source review

Maps & Property Information (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

Contra Costa County · Contra Costa County — assessor (opens in a new tab)

Official property-office map referral: Maps & Property Information

Maps & Property Information

Saved evidence: 35328b7978564df7 · Agent source review

Full guide, contact details & sources →
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.

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

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

Official page text containing: Building Permit Application Submittal Overview

ices A-D Conservation & Development Permit information Building or Grading Permit Overview Building permit Applications Building Permit Application Submittal Overview This page will help applicants determine which application to submit and required documents for submittal. This ensures applications can be reviewed in a timely manner. The following will also help in successful building permit applications. The following will also help in successful building permit applications. Permitting Process Overview - Discover what

Saved evidence: 59cb050be30278fa · Agent source review

ePermits Center (opens in a new tab)Official online service

Official department resource. Confirm jurisdiction, eligible project types and the published instructions before using this service.

Source checked October 14, 2026

Contra Costa County · Contra Costa County — Permitting Process Overview (opens in a new tab)

Official page text containing: ePermits Center

permitting processes: ePermits Overview Building, Planning, and Public Works applications are submitted online via our ePermits Center. Discover how to register, submit applications, make payments, check status updates, and request permit revisions. Planning Applications Planning determines what uses you can place on your property and how the development conforms to community plans, including design of the development. Explore Popular Planning Permits like ADUs, Planning Permits for Busine

Saved evidence: f104b35d66c8e4f2 · Agent source review

CCMAP — check property jurisdiction (opens in a new tab)Official instructions

Official department resource. Confirm jurisdiction, eligible project types and the published instructions before using this service.

Source checked October 14, 2026

Contra Costa County · Contra Costa County — Permitting Process Overview (opens in a new tab)

Official page text containing: CCMAP

, Moraga, and Orinda. Other cities and towns have their own building permit and inspection departments. You can use our CCMAP online mapping tool to check your jurisdiction. Planning Approval Many projects require Planning Approval prior to applying for Building Permits, including all residential units. Planning Agencies Contra Costa County Department of Conservation and Development provides planning services for projects located within unincorporated county. View Planning Applica

Saved evidence: f104b35d66c8e4f2 · Agent source review

Contra Costa CCMAP zoning and property research referral (opens in a new tab)Official instructions

DCD's permit/property research page publishes CCMAP with zoning and General Plan layers for unincorporated county areas. This is that department's published map referral, without expanding its Building Permits guide into a separate countywide zoning authority.

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

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

Source checked October 26, 2026

Contra Costa official map information · Contra Costa 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

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

Saved evidence: 4716f0c2a939699b · Agent source review

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)Official instructions

Read the distinct Minor, General and email application routes. This Planning service is restricted to county jurisdiction and does not inherit the Building guide’s five contract cities.

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. Area details & sources

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

Source checked October 26, 2026

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

Planning Applications | Contra Costa County, CA Official Website — service-planning-application-06013

There are three types of processes for submitting applications, with different submittal requirements:

Saved evidence: 0b7562afb2b71b88 · Agent source review

Full guide, contact details & sources →

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