§ CO Colorado
County permits
Costilla County
Costilla County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Costilla County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Costilla County Planning and Zoning / Land Use Office
- Website
- iWorQ Permit Portal ↗
- Online portal
- iWorQ Permit Portal ↗
- Phone
- (719) 937-7668
- Address
- P.O. Box 130, 400 Gasper Street, San Luis, CO 81152
§ 02 Jurisdictions
Cities in Costilla County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Costilla County, Colorado. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.