§ KS Kansas
County permits
Osage County
Osage County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Osage County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Osage County Land Development / Zoning Administrator
- Website
- Permit authority website ↗
- Online portal
- Permit portal ↗
- Phone
- 785-828-3347 (Land Development Office), 785-730-1395 (cell), county main line 785-828-4812
- Landdev@osageco.org
- Address
- 717 Topeka Avenue, Lyndon, KS 66451
§ 02 Jurisdictions
Cities in Osage County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Osage 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.