Plumber licenses in
Louisiana
Louisiana licenses plumbers statewide.
Search Louisiana plumber licenses (opens official site)
Official search run by State Plumbing Board of Louisiana at public.spbla.com.
What the license should say
In Louisiana you'll see one of these on a plumber's card, bid or truck:
- Master plumber
- Individual; installs and repairs plumbing and may employ journeymen and apprentices.
- Journeyman plumber
- Individual; works under a licensed master plumber.
- Residential plumber limited
- Individual; repairs existing plumbing in one and two family homes under a master plumber.
- Master or journeyman natural gas fitter
- Individual; installs and repairs natural gas systems.
Hiring a company, not a person?
Master plumber license from the State Plumbing Board (its licensing moves to LSLBC on January 1, 2027 under Act 908 of 2026), plus an LSLBC commercial plumbing license when a job is $10,000 or more including labor and materials
Doing it yourself
Plumbing work done by an individual on his own personal residence is excluded from the state plumbing licensing law (RS 37:1377(D)(8))
Before you hire
- Contractor licensing in Louisiana (small-job limits, bonds, permits)
- How to check a license in Louisiana, step by step
- Before-you-hire checklist (one page, free PDF)
- File a complaint about a plumber (opens official site)
Keep this handy
We'll email you the one-page before-you-hire checklist, plus occasional tips on hiring safely.