County permits

St Mary Parish

St Mary Parish 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 Parish.

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

Permit authority: St. Mary Parish Government, Planning and Zoning Department
Website: Permit authority website ↗
Online portal: Permit portal ↗
Phone: (337) 828-4100 ext. 5280 or ext. 5555; main parish line also lists ext. 5555
Email: permits@stmaryparishla.gov
Address: Fifth Floor Courthouse, 500 Main Street, Franklin, LA 70538

Full unincorporated St Mary Parish permit guide →

§ 02 Jurisdictions

Cities in St Mary Parish

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 Parish, Louisiana. Permit rules and fees change frequently — verify current requirements with the issuing department before applying. Jaspector is an educational reference, not legal advice.