§ CA California
County permits
Marin County
Marin County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Marin County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Marin County Community Development Agency, Building and Safety Division
- Website
- Marin Building Permits ↗
- Online portal
- Marin Building Permits ↗
- Phone
- 415-473-6550
- Address
- 3501 Civic Center Drive, Suite 308, San Rafael, CA 94903
§ 02 Jurisdictions
Cities in Marin County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Marin County, California. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.