County Building Permits

Alameda County Building Permit Guide

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

California Updated March 2026

Important: Alameda County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.

Unincorporated Alameda County

Permit authority
Alameda County Community Development Agency, Planning Department
Online portal
Public Permit Portal
Apply for permit
Apply online
Schedule appointment
Contact department
Governing body
Alameda County Board of Supervisors

Cities in Alameda County

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

Alameda Permit guide → Albany Permit guide → Berkeley Permit guide → Dublin Permit guide → Emeryville Permit guide → Fremont Permit guide → Hayward Permit guide → Livermore Permit guide → Newark Permit guide → Oakland Permit guide → Piedmont Permit guide → Pleasanton Permit guide → San Leandro Permit guide → Union City Permit guide →

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city 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 Alameda 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.