State plumbing guide · MS
Plumbing in Mississippi
In Mississippi, the State Board of Contractors licenses plumbers for larger residential and commercial jobs, while cities and counties handle smaller work, codes and permits. Heat, humidity and storms shape local calls.
- Median home built
- 1987
- Built before 1980
- 40%
- Owner-occupied
- 71%
- Winter
- Occasional hard freezes
- General statewide rating
- Plumbing code
- State code
- City guides
- 1
Housing figures: U.S. Census Bureau, ACS 2024 1-year (B25035, B25034).
Mississippi city plumbing guides
How to check a plumber's license in Mississippi
The Mississippi State Board of Contractors licenses contractors for commercial jobs over $50,000 and residential remodeling over $10,000, and plumbing subcontractors on residential projects must hold a board license; smaller jobs may fall to local licensing. [1]
Which plumbing code applies in Mississippi
Mississippi law authorizes municipalities to adopt and amend building codes, including plumbing codes, so the code in force varies by jurisdiction. [2]
Seasonal problems to plan for in Mississippi
- Hurricane season
- Know your main shutoff; watch for backups after storms.
- Storm season
- Heavy rain: sewer backups and sump pump failures.
How old Mississippi's homes are
Statewide, the median home was built in 1987 and 40% 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.
Mississippi plumbing questions
How do I check a plumber's license in Mississippi?
For larger jobs, verify with the Mississippi State Board of Contractors; for smaller work, ask your city or county which license applies.
Which plumbing code applies in Mississippi?
It depends on the city or county, which adopt their own plumbing codes under state law.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- Mississippi State Board of Contractors, Frequently Asked Questions · checked 2026-10-01
- Mississippi Code §21-19-25 · checked 2026-10-01