§ MD Maryland
County permits
Frederick County
Frederick County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated Frederick County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- Frederick County Department of Permits and Inspections
- Online portal
- Frederick County Citizen Portal ↗
- Phone
- 301-600-2313
- Address
- 30 N Market Street, Frederick, MD 21701
§ 02 Jurisdictions
Cities in Frederick County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for Frederick County, Maryland. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.