County Building Permits
Mariposa County, CA - 2026 Building Permit Guide
Building permit information for unincorporated Mariposa County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.
Important: Mariposa 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 Mariposa County
- Permit authority
- Mariposa County Building Department
- Website
- EnerGov Self Service
- Online portal
- EnerGov Self Service
- Phone
- (209) 966-3934
- Address
- 5100 Bullion Street, PO Box 1268, Mariposa, CA 95338
Jurisdictions in Mariposa County
Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.
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
Need help with your project?
Navigating permits in Mariposa 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