How do I check a plumbing license in Mississippi?

The Mississippi State Board of Contractors keeps the record for plumbing contractors in Mississippi. Use the official lookup on this page, and treat the board's own record as final.

How much does a plumbing license cost in Mississippi?

$400 (Commercial application fee, one classification (covers commercial plumbing licenses for jobs of $50,000 or more)). $50 (Residential application fee (covers residential plumbing licenses)). $400 (Commercial license renewal fee, each year). $100 (Residential license renewal fee, each year). $50 (Commercial license late renewal fee). $10 (Residential license late renewal fee). $100 (Each additional classification added to a commercial license). $50 (Request for waiver of exam). $25 (Reciprocity or verification of license).

How often does a plumbing license renew in Mississippi?

Licenses are valid for one year and renew annually.

How to get a plumbing license in Mississippi

Edited by John Voll. Last verified October 6, 2026.

Mississippi State Board of Contractors licenses plumbing contractors in Mississippi. No dollar threshold for residential plumbing work: an MSBOC license is required no matter the dollar amount; commercial plumbing contracts need a commercial license over $50,000.

Who licenses plumbing work in Mississippi

Credential	State license
Board	Mississippi State Board of Contractors official statement
Official lookup	Search plumbing licenses
When a license is needed	No dollar threshold for residential plumbing work: an MSBOC license is required no matter the dollar amount; commercial plumbing contracts need a commercial license over $50,000. source
License types	Plumbing (commercial specialty), Residential Plumbing, Residential Mechanical (HVAC plus plumbing)

How to get licensed

Apply to Mississippi State Board of Contractors as a Plumbing (commercial specialty) or Residential Plumbing or Residential Mechanical (HVAC plus plumbing).
Board page
Yes: Plumbing (commercial) and Residential Plumbing require a trade exam plus the Mississippi Law and Business Management exam, given by PSI. source
Carry general liability insurance required: commercial licenses need at least $300,000 per occurrence and $600,000 aggregate; residential licenses need proof of coverage with no set minimum. source
Pay the commercial application fee, one classification (covers commercial plumbing licenses for jobs of $50,000 or more): $400. source
Licenses are valid for one year and renew annually. source

Plumbing requirements in Mississippi

Plumbing: exam, experience, bond, insurance, renewal and feesSources checked January 1, 2016
Exam	Yes: Plumbing (commercial) and Residential Plumbing require a trade exam plus the Mississippi Law and Business Management exam, given by PSI. source (checked October 6, 2026)
Experience	No fixed minimum years of experience found on an official source; the application asks for detailed projects in the classification sought, and the board weighs experience along with exam results.
Bond	Not found on an official source.
Insurance	General liability insurance required: commercial licenses need at least $300,000 per occurrence and $600,000 aggregate; residential licenses need proof of coverage with no set minimum. source (checked October 6, 2026)
Renewal	Licenses are valid for one year and renew annually. source (checked October 6, 2026)
Reciprocity	Reciprocity waives only the trade exam; for plumbing and mechanical, Tennessee is the only agreement state whose exam is waived. source (checked October 6, 2026)
Fees	$400 (Commercial application fee, one classification (covers commercial plumbing licenses for jobs of $50,000 or more)). source $50 (Residential application fee (covers residential plumbing licenses)). source $400 (Commercial license renewal fee, each year). source $100 (Residential license renewal fee, each year). source $50 (Commercial license late renewal fee). source $10 (Residential license late renewal fee). source $100 (Each additional classification added to a commercial license). source $50 (Request for waiver of exam). source $25 (Reciprocity or verification of license). source

Hiring a plumbing contractor?

See every official lookup in Mississippi, which board covers which trade, and what to check before you hire.

How to verify a contractor license in Mississippi

Questions

Do you need a plumbing license in Mississippi?: Mississippi State Board of Contractors licenses plumbing contractors in Mississippi. No dollar threshold for residential plumbing work: an MSBOC license is required no matter the dollar amount; commercial plumbing contracts need a commercial license over $50,000.
How do I check a plumbing license in Mississippi?: The Mississippi State Board of Contractors keeps the record for plumbing contractors in Mississippi. Use the official lookup on this page, and treat the board's own record as final.
How much does a plumbing license cost in Mississippi?: $400 (Commercial application fee, one classification (covers commercial plumbing licenses for jobs of $50,000 or more)). $50 (Residential application fee (covers residential plumbing licenses)). $400 (Commercial license renewal fee, each year). $100 (Residential license renewal fee, each year). $50 (Commercial license late renewal fee). $10 (Residential license late renewal fee). $100 (Each additional classification added to a commercial license). $50 (Request for waiver of exam). $25 (Reciprocity or verification of license).
How often does a plumbing license renew in Mississippi?: Licenses are valid for one year and renew annually.

Other trades in Mississippi

Plumbing license in other states

Sources

This is not a government site. The licensing board's own record governs; always confirm on the official lookup. Information as of October 6, 2026.