County Building Permits

Plaquemines Parish, LA - 2026 Building Permit Guide

Building permit information for unincorporated Plaquemines Parish and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.

Louisiana Updated March 2026

Important: Plaquemines Parish issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.

Unincorporated Plaquemines Parish

Permit authority
Plaquemines Parish Permits, Planning and Zoning Department
Website
MGO Connect
Online portal
MGO Connect
Phone
504-934-6195; 504-934-3610
Address
333 F. Edward Hebert Blvd., Building 300, Belle Chasse, LA 70037; 28028 Hwy 23, Port Sulphur, LA 70083

Jurisdictions in Plaquemines Parish

Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.

Unincorporated Plaquemines Parish Permit guide →

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.

Related Louisiana Resources

License Requirements Verify your contractor's Louisiana license → Contract Template Free homeowner-contractor agreement →

Need help with your project?

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authorities listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.