County Building Permits

Blanco County, TX - 2026 Building Permit Guide

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

Texas Updated March 2026

Important: Blanco 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 Blanco County

Permit authority
Blanco County (County Inspector for OSSF, Fire Marshal for fire-code permits, Commissioners Court for subdivisions)
Phone
County Inspector: 830-868-2117; Fire Marshal: 830-868-8223; 911 Addressing: 830-868-2008
Address
Blanco County Courthouse, 101 E. Pecan, Johnson City, TX 78636

Jurisdictions in Blanco County

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

Unincorporated Blanco County Permit guide → Blanco Permit guide → Johnson City Permit guide → Round Mountain 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 Texas Resources

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

Need help with your project?

Navigating permits in Blanco 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.