County Building Permits

Jefferson Parish, LA - 2026 Building Permit Guide

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

Louisiana Updated March 2026

Important: Jefferson 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 Jefferson Parish

Permit authority
Jefferson Parish Building Permits Department
Phone
East Bank: 504-736-6957; West Bank: 504-364-3512
Address
East Bank: 1221 Elmwood Park Boulevard, Suite 101, Jefferson, LA 70123; West Bank: 1855 Ames Boulevard, Suite A, Marrero, LA 70072

Jurisdictions in Jefferson Parish

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

Unincorporated Jefferson Parish Permit guide → Gretna Permit guide → Harahan Permit guide → Kenner Permit guide → Metairie Permit guide → Westwego 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 →

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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.