County permits

Johnson County

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

§ 01 Unincorporated

Unincorporated Johnson County.

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

Permit authority: Johnson County Commission for county planning and zoning oversight; Johnson County Emergency Management for floodplain management; Johnson County Community Health Services Environmental Health for onsite wastewater treatment systems
Website: https://myhealthdepartment.com/johnsoncounty ↗
Online portal: https://myhealthdepartment.com/johnsoncounty ↗
Phone: County Commissioners 660-747-2112; Emergency Management 660-747-2666; JCCHS 660-747-6121
Email: CountyCommissioners@jocomo.gov; no public floodplain email listed on EMA home page; no general OWTS email listed, call ext. 258 per OWTS page
Address: Johnson County Courthouse, 300 N. Holden St., Warrensburg, MO 64093; Johnson County Emergency Management, 263 SE State Route 13, Warrensburg, MO 64093; JCCHS, 723 PCA Rd, Warrensburg, MO 64093

Full unincorporated Johnson County permit guide →

§ 02 Jurisdictions

Cities in Johnson County

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

§ 03 County navigation

Information last verified for Johnson 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.