County Building Permits

Johnson County, MO - 2026 Building Permit Guide

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

Missouri Updated March 2026

Important: Johnson 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 Johnson County

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

Jurisdictions in Johnson County

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

Unincorporated Johnson County Permit guide → Centerview Permit guide → Chilhowee Permit guide → Holden Permit guide → Kingsville Permit guide → Knob Noster Permit guide → Leeton Permit guide → Warrensburg 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 Missouri Resources

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

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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.