How do I check a plumbing license in Minnesota?

The Minnesota Department of Labor and Industry, Construction Codes and Licensing Division (Plumbing Board) keeps the record for plumbing contractors in Minnesota. Use the official lookup on this page, and treat the board's own record as final.

How much does a plumbing license cost in Minnesota?

$188 (Plumbing contractor license fee, initial application and each renewal). $50 (Application and examination fee for a license that requires a DLI exam, separate from the license fee).

How much experience do you need for a plumbing license in Minnesota?

1 years (Master plumber exam: at least one year as a licensed journeyworker plumber; the journeyworker exam needs four years of recorded experience or a registered apprenticeship).

How often does a plumbing license renew in Minnesota?

Plumbing contractor licenses expire December 31 of each odd-numbered year.

How to get a plumbing license in Minnesota

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

Minnesota Department of Labor and Industry, Construction Codes and Licensing Division (Plumbing Board) licenses plumbing contractors in Minnesota. The Minnesota Department of Labor and Industry, Construction Codes and Licensing Division license export: plumbing lists 1,755 active plumbing business records as of October 6, 2026.

Who licenses plumbing work in Minnesota

Credential	State license
Board	Minnesota Department of Labor and Industry, Construction Codes and Licensing Division (Plumbing Board) official statement
Official lookup	Search plumbing licenses
License types	Plumbing Contractor, Restricted Plumbing Contractor, Master Plumber, Journeyworker Plumber, Restricted Master Plumber, Restricted Journeyworker Plumber, Registered Unlicensed Plumber

How to get licensed

Apply to Plumbing Board for a credential such as Plumbing Contractor, Restricted Plumbing Contractor or Master Plumber.
Board page
Master and journeyworker plumber licenses require a DLI exam; the contractor must have a master plumber as responsible individual. source
Experience: 1 years (Master plumber exam: at least one year as a licensed journeyworker plumber; the journeyworker exam needs four years of recorded experience or a registered apprenticeship). source
Post a plumbing contractor surety bond of at least $25,000. source
Carry public liability insurance with products liability of at least $50,000 per person and $100,000 per occurrence, plus $10,000 property damage. source
Pay the plumbing contractor license fee, initial application and each renewal: $188. source
Plumbing contractor licenses expire December 31 of each odd-numbered year. source

Plumbing requirements in Minnesota

Plumbing: exam, experience, bond, insurance, renewal and feesSources checked October 6, 2026
Exam	Master and journeyworker plumber licenses require a DLI exam; the contractor must have a master plumber as responsible individual. source
Experience	1 years (Master plumber exam: at least one year as a licensed journeyworker plumber; the journeyworker exam needs four years of recorded experience or a registered apprenticeship). source
Bond	Plumbing contractor surety bond of at least $25,000. source
Insurance	Public liability insurance with products liability of at least $50,000 per person and $100,000 per occurrence, plus $10,000 property damage. source
Renewal	Plumbing contractor licenses expire December 31 of each odd-numbered year. source
Reciprocity	No license-for-license reciprocity found; an equivalent out-of-state master plumber license only qualifies the applicant to sit for the Minnesota master plumber exam. source
Fees	$188 (Plumbing contractor license fee, initial application and each renewal). source $50 (Application and examination fee for a license that requires a DLI exam, separate from the license fee). source

Hiring a plumbing contractor?

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

How to verify a contractor license in Minnesota

Questions

Do you need a plumbing license in Minnesota?: Minnesota Department of Labor and Industry, Construction Codes and Licensing Division (Plumbing Board) licenses plumbing contractors in Minnesota.
How do I check a plumbing license in Minnesota?: The Minnesota Department of Labor and Industry, Construction Codes and Licensing Division (Plumbing Board) keeps the record for plumbing contractors in Minnesota. Use the official lookup on this page, and treat the board's own record as final.
How much does a plumbing license cost in Minnesota?: $188 (Plumbing contractor license fee, initial application and each renewal). $50 (Application and examination fee for a license that requires a DLI exam, separate from the license fee).
How much experience do you need for a plumbing license in Minnesota?: 1 years (Master plumber exam: at least one year as a licensed journeyworker plumber; the journeyworker exam needs four years of recorded experience or a registered apprenticeship).
How often does a plumbing license renew in Minnesota?: Plumbing contractor licenses expire December 31 of each odd-numbered year.

Other trades in Minnesota

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.