§ CO Colorado
County permits
Douglas County
Douglas County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Douglas County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Douglas County Building Division
- Online portal
- Douglas County Building Services ↗
- Phone
- 303-660-7497
- Address
- 100 Third Street, Castle Rock, CO 80104
§ 02 Jurisdictions
Cities in Douglas County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Douglas 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.