§ LA Louisiana
County permits
St. Charles Parish
St. Charles 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. Charles Parish.
If your property isn't inside an incorporated city, the county permit office handles your application directly.
- Permit authority
- St. Charles Parish Department of Planning and Zoning, Permit Administration Section
- Website
- MyGovernmentOnline (MGO) ↗
- Online portal
- MyGovernmentOnline (MGO) ↗
- Phone
- 985-783-5000
- Address
- PO Box 302, 15045 River Road, Hahnville, LA 70057
§ 02 Jurisdictions
Cities in St. Charles 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. Charles 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.