Knox County

Knox County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.

§ 01 Unincorporated

Unincorporated Knox County.

If your property isn't inside an incorporated city, the county permit office handles your application directly.

Permit authority: Knox County / Texas Commission on Environmental Quality Region 3 OSSF Program
Website: TCEQ OARS County Authority Search ↗
Online portal: TCEQ OARS County Authority Search ↗
Phone: Knox County main line: (940) 459-2191; TCEQ Region 3 OSSF: 325-698-9674
Email: nathan.helms@tceq.texas.gov
Address: Knox County Courthouse, 100 W Cedar St, Benjamin, TX 79505; TCEQ Region 3 OSSF: 1977 Industrial Blvd, Abilene, TX 79602-7833

Full unincorporated Knox County permit guide →

§ 02 Jurisdictions

Cities in Knox County

Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.

§ 03 County navigation

Information last verified for Knox County, Texas. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.