County Building Permits

Contra Costa County Building Permit Guide

Building permit information for unincorporated Contra Costa County and all incorporated cities and towns. Find your jurisdiction's permit authority, application process, fees, and requirements.

California Updated March 2026

Important: Contra Costa County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city or town, select your jurisdiction below - that local building department or contract permit authority handles your permits, not the county.

Unincorporated Contra Costa County

Permit authority
Department of Conservation and Development, Application and Permit Center / Building Inspection Division
Online portal
ePermits Center (Accela)
Register for ePermits
Account registration guide
Jurisdiction served
Unincorporated Contra Costa County, including communities such as Bay Point, North Richmond, Alamo, Blackhawk, and Bethel Island.

Cities and Towns in Contra Costa County

Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.

Antioch Permit guide -> Brentwood Permit guide -> Clayton Permit guide -> Concord Permit guide -> Danville Permit guide -> El Cerrito Permit guide -> Hercules Permit guide -> Lafayette Permit guide -> Martinez Permit guide -> Moraga Permit guide -> Oakley Permit guide -> Orinda Permit guide -> Pinole Permit guide -> Pittsburg Permit guide -> Pleasant Hill Permit guide -> Richmond Permit guide -> San Pablo Permit guide -> San Ramon Permit guide -> Walnut Creek Permit guide ->

Information on this page was last verified: March 2026. Permit rules and fees change - confirm current requirements directly with the relevant city, town, or county department before applying.

Related California Resources

License Requirements Verify your contractor's CSLB license → Contract Template Free homeowner-contractor agreement →

Need help with your project?

Navigating permits in Contra Costa County can be complicated.

Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authorities listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.