Louisiana splits contractor licensing between the Louisiana State Licensing Board for Contractors (LSLBC) and the Louisiana State Plumbing Board (SPBLA), with trade-worker credentialing frequently handled at the parish or municipal level. LSLBC — commercial and residential contractor licensing. LSLBC issues: - Commercial contractor licenses for projects at or above $50,000 in the major classifications (Building Construction, Highway Street and Bridge, Heavy Construction, Municipal and Public Works). - Specialty classifications including Electrical and Mechanical (which covers HVAC, plumbing, and other mechanical sub-classes) for specialty projects at or above $10,000 including labor and materials. - Residential Building Contractor license for new residential construction over $75,000. - Home Improvement Registration for residential remodeling between $7,500 and $75,000. Exams administered by PSI Services. A Business and Law course is mandatory. Financial requirement: $10,000 net worth affidavit for specialty; higher for major commercial classifications. SPBLA — plumbing worker licensing. Issues Master Plumber, Journeyman Plumber, and other plumbing credentials for individual workers. Journeyman: 5 years / 8,000 hours of experience, exam fee $135. Master: Journeyman license (or equivalent) plus exam fee $110. Annual renewal by December 31. CE: 3.5 hours/year Journeyman; 5 hours/year Master. Local parish and municipal credentials. Many Louisiana parishes and cities issue their own Journeyman and Master Electrician credentials for individual electrical workers. A plumbing or electrical business bidding commercial projects over $10,000 needs the LSLBC license; the individual worker may also need a parish credential depending on where work is performed. Confirm local requirements before starting work. Business registration. LLCs and corporations register with the Louisiana Secretary of State. Annual report filing fee is $30. Louisiana's corporation franchise tax applies to LLCs taxed as corporations and to C and S corporations for periods ending before January 1, 2026; the franchise tax is repealed for franchise tax periods beginning on or after January 1, 2026.
LA · Contractor licensing
Contractor licensing in Louisiana
State contractor license requirements, bond, and insurance minimums.
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