State files updated Oct 31, 2026

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Louisiana contractor examWho gives it, fees, retakes

Louisiana's contractor license needs a passing exam score, given by PSI. The exam fee is up to $50¹.

What is on the Louisiana contractor exam?

Who gives it: PSI¹
Exam fee: up to $50¹
Prep: Yes: Business & Law (online 1-hour course + exam) + trade exam; trade exams by PSI from Aug 5 2025.¹

Retake rules: check with Louisiana State Licensing Board for Contractors (LSLBC).

Journeyman and master exams in Louisiana

Plumber

Who gives it: Given by the State Plumbing Board itself, not a third-party vendor²
Exam fee: $135

Hours and license steps

How do you book the exam?

Apply to the LSLBC first. The board approves your application, then tells you how to schedule with the testing company (PSI). Louisiana State Licensing Board for Contractors (LSLBC)

Sources

Louisiana State Licensing Board for Contractors (LSLBC): exam (lslbc.gov, 2026-10-27)
Louisiana plumber license: exam (spbla.com, 2026-10-27)