County Building Permits

Solano County Building Permit Guide

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

California Updated March 2026

Important: Solano 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 Solano County

Permit authority
Solano County Building & Safety Services (Building and Safety Division)
Apply for permit
Register and apply online
Schedule consultation
Book in-person consultation
Jurisdiction scope
County zoning and building standards apply only outside city boundaries. Properties inside a city use that city's permit office instead.

Cities in Solano County

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

Benicia Permit guide → Dixon Permit guide → Fairfield Permit guide → Rio Vista Permit guide → Suisun City Permit guide → Vacaville Permit guide → Vallejo 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 Solano 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.

Learn how Jaspector works
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.