§ MD Maryland
County permits
St. Mary's County
St. Mary's County issues permits only for unincorporated areas. Inside an incorporated city? Pick the city below — its building department handles your permit.
§ 01 Unincorporated
Unincorporated St. Mary's County.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- St. Mary's County Department of Land Use and Growth Management (LUGM), Permits Division
- Website
- eTRAKiT ↗
- Online portal
- eTRAKiT ↗
- Phone
- 301-475-4200 ext. 1500; Inspections: 301-475-4200 ext. 1580
- Address
- 23150 Leonard Hall Drive, Leonardtown, MD 20650
§ 02 Jurisdictions
Cities in St. Mary's County
Click any city for its full permit guide — authority, fees, application steps, inspections, and exempt work.
§ 03 County navigation
Information last verified for St. Mary's 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.