§ KS Kansas
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 Building Codes Division, Planning Housing and Community Development
- Online portal
- MGO Connect (MyGovernmentOnline) ↗
- Phone
- 913-715-2200
- Address
- 111 S. Cherry St., Suite 3600, Olathe, KS 66061
§ 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, Kansas. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.