County permits

Warren County

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

§ 01 Unincorporated

Unincorporated Warren County.

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

Permit authority: Warren County Planning and Zoning
Website: No online county permit portal located in public sources; applications are handled by forms and in-person or email submission ↗
Online portal: No online county permit portal located in public sources; applications are handled by forms and in-person or email submission ↗
Phone: 636-456-3044
Email: broemer@warrencountymo.org
Address: 101 Mockingbird Ln, Suite 201, Warrenton, MO 63383

Full unincorporated Warren County permit guide →

§ 02 Jurisdictions

Cities in Warren County

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

§ 03 County navigation

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