Welder License Requirements in Louisiana
License RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Louisiana State Licensing Board for Contractors
Official licensing agency website
Exam provider: Not listed
Reciprocity And License Levels
License levels
Welder
Reciprocity states
None listed
Notes
Louisiana requires a license for welding contractors performing work above certain thresholds through the Louisiana State Licensing Board for Contractors. Welders working on pipelines, pressure vessels, and certain structural applications must hold appropriate certifications. Individual welders may need to demonstrate qualification per AWS or ASME standards on regulated projects. Verify current requirements with the LSLBC at https://www.lslbc.louisiana.gov/.