Pipefitters | Minnesota Department of Labor and Industry

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Pipefitters

We license individuals as master and journeyworker pipefitters. Unlicensed individuals registered with us or in an approved apprenticeship program who work under supervision of a licensed pipefitter may assist in the installation of high pressure piping systems.

Apply for or renew a license

Check a license

Get an HPP permit

What you need to know

Frequently asked questions
Registered unlicensed pipefitters
Codes and laws
Forms and resources

What you can do

Apply for or renew a license or registration
Schedule an exam
Change your address
Check a license or registration

How we can help

License questions: dli.license@state.mn.us or
651-284-5034
Contact an inspector
Additional agency contact information
Board of High Pressure Piping Systems

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