State plumbing guide · LA
Plumbing in Louisiana
Louisiana licenses plumbers through the State Plumbing Board and enforces a statewide construction code. Hurricanes, heavy rain, high water tables and subsiding soils make drainage and sewer problems common.

- Median home built
- 1983
- Built before 1980
- 46%
- Owner-occupied
- 68%
- Winter
- Occasional hard freezes
- General statewide rating
- Plumbing code
- State code
- City guides
- 2
Housing figures: U.S. Census Bureau, ACS 2024 1-year (B25035, B25034).
Louisiana city plumbing guides
How to check a plumber's license in Louisiana
Louisiana plumbers are licensed by the State Plumbing Board of Louisiana at apprentice, journeyman and master levels. [1]
Which plumbing code applies in Louisiana
All plumbing in Louisiana must follow the Louisiana State Uniform Construction Code as amended by the Louisiana State Uniform Construction Code Council, with enforcement by parishes and municipalities. [2]
Seasonal problems to plan for in Louisiana
- Hurricane season
- Know your main shutoff; watch for backups after storms.
- Storm season
- Heavy rain: sewer backups and sump pump failures.
How old Louisiana's homes are
Statewide, the median home was built in 1983 and 46% of homes predate 1980. Homes like that were usually built with copper or CPVC supply, plastic drains, and in some homes gray polybutylene supply pipe. The city guides below show how much that varies within the state.
Louisiana plumbing questions
How do I check a plumber's license in Louisiana?
Verify the plumber with the State Plumbing Board of Louisiana before hiring.
Which plumbing code applies in Louisiana?
The Louisiana State Uniform Construction Code, as amended by the LSUCC Council and enforced locally.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- Louisiana Revised Statutes Title 37 §1361 et seq. (Plumbers) · checked 2026-10-01
- Louisiana State Uniform Construction Code Council, Codes & Standards · checked 2026-10-01
