Licensing - personal plumber licenses

Forms and applications for plumbers and unlicensed individual registration

• Plumber license exam application

  • Directory of exam schedules and testing sites

• Master and journeyworker license renewal form

• Unlicensed plumber registration

  • Unlicensed plumber application/renewal form

  • Plumbing work experience form

• Plumbing reciprocity

• Plumbing personal license change of address form

Water conditioning

• Water conditioning license basics

• Water conditioning contractor license renewal

Backflow prevention

• New or renewal of backflow prevention rebuilder (BF)/backflow prevention tester (BT) registration

Medical gas certification

• Medical gas registration

Questions?

Contact us at dli.license@state.mn.us or 651-284-5031.