How to get a plumbing license in Louisiana
Edited by John Voll. Last verified .
State Plumbing Board of Louisiana (individual plumbers); Louisiana State Licensing Board for Contractors (Plumbing classification for jobs over $10,000) licenses plumbing contractors in Louisiana. Plumbing work of $10,000 or more also requires an LSLBC commercial plumbing license on top of the master plumber license.
Who licenses plumbing work in Louisiana
| Credential | State license |
|---|---|
| Board | State Plumbing Board of Louisiana (individual plumbers); Louisiana State Licensing Board for Contractors (Plumbing classification for jobs over $10,000) official statement |
| Official lookup | Search plumbing licenses |
| When a license is needed | Plumbing work of $10,000 or more also requires an LSLBC commercial plumbing license on top of the master plumber license. source |
| License types | Master Plumber, Journeyman Plumber, Residential Plumber, Master Natural Gas Fitter, Journeyman Natural Gas Fitter, Medical Gas Installer, Medical Gas Verifier, Water Supply Protection Specialist, LSLBC Plumbing (classification 7) |
How to get licensed
- Apply to individual plumbers for a credential such as Master Plumber, Journeyman Plumber or Residential Plumber.
- Three-part written Master Plumber exam from the State Plumbing Board. source
- Experience: master exam requires a current journeyman license; the journeyman exam requires 8,000 hours of supervised plumbing work (7,000 for indentured apprentices). source
- Carry active master plumbers must keep general liability, workers' compensation and service vehicle liability insurance on file; no minimum amount found. source
- Pay the master Plumber exam application fee of $110: $110. source
- Plumbing licenses renew every year by December 31, with 5 hours of continuing education for active masters. source
Plumbing requirements in Louisiana
| Exam | Three-part written Master Plumber exam from the State Plumbing Board. source |
|---|---|
| Experience | Master exam requires a current journeyman license; the journeyman exam requires 8,000 hours of supervised plumbing work (7,000 for indentured apprentices). source |
| Bond | Not found on an official source. |
| Insurance | Active master plumbers must keep general liability, workers' compensation and service vehicle liability insurance on file; no minimum amount found. source |
| Renewal | Plumbing licenses renew every year by December 31, with 5 hours of continuing education for active master. source |
| Reciprocity | No reciprocity for master plumber licenses; journeyman reciprocity only with Texas and Arkansa. source |
| Fees |
|
Hiring a plumbing contractor?
See every official lookup in Louisiana, which board covers which trade, and what to check before you hire.
Questions
- Do you need a plumbing license in Louisiana?
- State Plumbing Board of Louisiana (individual plumbers); Louisiana State Licensing Board for Contractors (Plumbing classification for jobs over $10,000) licenses plumbing contractors in Louisiana. Plumbing work of $10,000 or more also requires an LSLBC commercial plumbing license on top of the master plumber license.
- How do I check a plumbing license in Louisiana?
- The State Plumbing Board of Louisiana (individual plumbers); Louisiana State Licensing Board for Contractors (Plumbing classification for jobs over $10,000) keeps the record for plumbing contractors in Louisiana. Use the official lookup on this page, and treat the board's own record as final.
- How much does a plumbing license cost in Louisiana?
- Master Plumber exam application fee of $110. Active Master Plumber license fee of $190 after passing the exam. Journeyman Plumber exam application fee of $135. Initial Journeyman Plumber license fee of $50. LSLBC classification fee of $95 per classification per year, for the commercial plumbing license needed on jobs of $10,000 or more.
- How much experience do you need for a plumbing license in Louisiana?
- Master exam requires a current journeyman license; the journeyman exam requires 8,000 hours of supervised plumbing work (7,000 for indentured apprentices).
- How often does a plumbing license renew in Louisiana?
- Plumbing licenses renew every year by December 31, with 5 hours of continuing education for active masters.
Other trades in Louisiana
- General contractor license in Louisiana
- Electrical license in Louisiana
- HVAC license in Louisiana
- Roofing license in Louisiana
- All Louisiana trades
Plumbing license in other states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Sources
- https://www.spbla.com/
- https://public.spbla.com/
- https://www.spbla.com/licenses/
- https://lslbc.gov/faq/
- https://www.spbla.com/signage-and-insurance/
- https://lslbc.gov/wp-content/uploads/2025/07/Adding-a-Classification-to-an-Existing-License-1.pdf
This is not a government site. The licensing board's own record governs; always confirm on the official lookup. Information as of October 6, 2026.