County permits

Clay County

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

§ 01 Unincorporated

Unincorporated Clay County.

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

Permit authority: Clay County Planning & Zoning Department (handles all unincorporated permit review and inspections). citeturn6search0
Website: Clay County’s Cityworks portal (new Cityworks system launched June 16, 2023, for permit intake and inspection scheduling). citeturn6search0 ↗
Online portal: Clay County’s Cityworks portal (new Cityworks system launched June 16, 2023, for permit intake and inspection scheduling). citeturn6search0 ↗
Phone: 816-407-3600 (county switchboard; Planning & Zoning referrals are routed from the same number). citeturn2view0
Email: use the Planning & Zoning contact form on the department page (no direct email posted). citeturn6search0
Address: Clay County Courthouse Square, 1 Courthouse Square, Liberty, MO 64068 (county headquarters used for planning intake). citeturn2view0

Full unincorporated Clay County permit guide →

§ 02 Jurisdictions

Cities in Clay County

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

§ 03 County navigation

Information last verified for Clay 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.