Do I need a plumber license in Louisiana?

Louisiana requires plumber contractors to hold a Louisiana Plumber license from the Louisiana State Plumbing Board. Apply through https://lsbp.louisiana.gov/ with a typical $1,300 total fee (range $175-$7,500) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.

Which board handles plumber licensing in Louisiana?

Louisiana State Plumbing Board is the relevant authority shown in the Louisiana licensing seed for this page. The verification or application URL in the loader is https://lsbp.louisiana.gov/.

How much does a plumber license cost in Louisiana?

The recorded licensing cost range is $175-$7,500, with a typical total around $1,300. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.

Are Louisiana plumbers licensed?

Yes. The Louisiana State Plumbing Board licenses Journeyman and Master Plumbers.

Do I need a license to work as a plumber in Louisiana?

Louisiana requires plumber contractors to hold a Louisiana Plumber license from the Louisiana State Plumbing Board. Apply through https://lsbp.louisiana.gov/ with a typical $1,300 total fee and a 1 to 3 year renewal cycle.

¿Necesito licencia para trabajar como plumber en Louisiana?

Luisiana requiere plomero contratistas tener una Luisiana Plomero licencia de la Luisiana Estado Plumbing Board. Solicite a través de https://lsbp.louisiana.gov/ con un costo típico de $1,300 tarifa total y un ciclo de renovación de 1 a 3 años.

Plumber license in Louisiana (2026)

Required license type

Louisiana licenses contractors at the state level through the Louisiana State Licensing Board for Contractors (LSLBC) for commercial work over $50,000 and residential work over $75,000. Home improvement projects of $7,500–$75,000 require a Home Improvement Registration.

Application requirements

Working as a plumber in Louisiana typically requires submitting an application packet to the Louisiana State Plumbing Board — including proof of experience, exam scores, and insurance.

Proof of relevant trade experience or apprenticeship hours
Passing score on the state trade exam(s)
General liability insurance + workers' comp
Surety bond filed with the board (when required)
Business entity registration with the Secretary of State
Background check + license fee submitted with packet

This is the standard packet most U.S. state boards require. Verify the exact list with the Louisiana State Plumbing Board before applying — requirements change by trade classification.

Fees and renewal cycle

Total cost to become a licensed plumber in Louisiana ranges from $175 to $7,500 (typical $1,300). The range covers application + exam fees, bond + insurance premiums, and the first year of business registration.

Floor

$175

Typical

$1,300

Ceiling

$7,500

Most state boards renew on a 1-3 year cycle and require continuing education credits. Verify the exact renewal window and CE requirement with the Louisiana State Plumbing Board — late renewal typically triggers a reinstatement fee.

Reciprocity with neighboring states

Louisiana borders 3 other launched states ProFix Directory tracks. Reciprocity is set by each state board individually — check the destination state for the current rule before relying on it.

Where to apply

Louisiana State Plumbing Board

Open the board lookup →

Board phone: +1-225-765-2301

Louisiana licenses contractors at the state level through the Louisiana State Licensing Board for Contractors (LSLBC) for commercial work over $50,000 and residential work over $75,000. Home improvement projects of $7,500–$75,000 require a Home Improvement Registration.

Why ProFix verifies every plumber

Every pro we list in Louisiana is matched against the Louisiana State Plumbing Board record, the Secretary of State business registry, and OSHA inspection data. We surface license status, revocation history, and bond filings on every profile so homeowners can shortlist verified pros without trusting a single review-platform score.

See the full verification methodology →

Common questions

Do I need a plumber license in Louisiana?: Louisiana requires plumber contractors to hold a Louisiana Plumber license from the Louisiana State Plumbing Board. Apply through https://lsbp.louisiana.gov/ with a typical $1,300 total fee (range $175-$7,500) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.
Which board handles plumber licensing in Louisiana?: Louisiana State Plumbing Board is the relevant authority shown in the Louisiana licensing seed for this page. The verification or application URL in the loader is https://lsbp.louisiana.gov/.
How much does a plumber license cost in Louisiana?: The recorded licensing cost range is $175-$7,500, with a typical total around $1,300. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.
What requirements should Louisiana plumber applicants verify?: Louisiana licenses contractors at the state level through the Louisiana State Licensing Board for Contractors (LSLBC) for commercial work over $50,000 and residential work over $75,000. Home improvement projects of $7,500–$75,000 require a Home Improvement Registration.
Are Louisiana plumbers licensed?: Yes. The Louisiana State Plumbing Board licenses Journeyman and Master Plumbers.

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