Building Permit Requirements in Baton Rouge, LA (2026)

Permit Requirements by Project Type in Baton Rouge

Select your project type to get Baton Rouge-specific requirements, costs, and how to apply:

About Building Permits in Baton Rouge

Building permits in Baton Rouge are issued by the Baton Rouge Permits & Development. Requirements, fees, and processing times vary by project type. Always verify current requirements with the building department before starting any project.

Most residential projects in Baton Rouge that involve structural changes, electrical work, plumbing, HVAC, or projects over a certain size require a permit. Small cosmetic work typically does not.