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Minnesota · Plumbers · 2026 renewal guide

How to Renew Your Minnesota Plumber License

Minnesota plumbers must complete 16 hours of board-approved continuing education every 2 years, as required by Minnesota Department of Labor and Industry.

Written by the TradesCE compliance team · Verified against the Minnesota Department of Labor and Industry rule on September 6, 2026.

CE hours
16 hours
Renewal cycle
Every 2 years
Next deadline
December 31, 2027
Exam to renew
Not required

Who has to renew

This guide covers Minnesota plumbers holding a license in one of these classes: Restricted journeyworker plumber, Continuing education, Water conditioning journeyworker, Medical gas certificate, Unlicensed water conditioning, Unlicensed plumber (PA). Requirements are set by Minnesota Department of Labor and Industry. Hours differ by class — 16 hours for Restricted journeyworker plumber, Continuing education; 4 hours for Water conditioning journeyworker, Medical gas certificate; 2 hours for Unlicensed water conditioning, Unlicensed plumber (PA).

When to renew

Minnesota plumbers licenses renew every 2 years, on a fixed statewide date — every licensee renews on the same day. The next renewal deadline is December 31, 2027. Continuing education must be complete before you submit the renewal. (MN Plumbers: journeyworker expire Dec 31 odd years (masters even years 2028-12-31); 16 hrs CE (dli.mn.gov))

The continuing education Minnesota requires

Minnesota Department of Labor and Industry requires 16 hours of approved continuing education every 2 years. The hours must cover these topics:

  • State Plumbing Code — at least 8 hours
  • Code/Laws — at least 2 hours
  • Other Related or Code — at least 2 hours
  • Technical topics related to water conditioning installation and servicing, or the Minnesota statutes and rules relating to water conditioning — at least 2 hours
  • Technical topics related to the installation, repair or maintenance of medical gas systems, NFPA 99, or the Minnesota laws and rules relating to medical gas systems — at least 4 hours
  • Remainder - Plumbing Code, technical topics related to plumbing installations and equipment, Minn — at least 8 hours
  • Water conditioning master and journeyworker variant: 4 hours total, at least 2 on the Plumbing Code — at least 2 hours
  • Registered unlicensed plumber — at least 2 hours
  • Medical gas installer certification variant: 4 hours on installation/repair/maintenance of medical gas systems, Minn — at least 4 hours

How to renew, step by step

  1. 1

    Confirm your license class and renewal date

    Minnesota sets plumbers requirements by license class (Restricted journeyworker plumber, Continuing education, Water conditioning journeyworker, Medical gas certificate, Unlicensed water conditioning, Unlicensed plumber (PA)). Check the class printed on your license, then note your renewal date — renewals run a fixed statewide date — every licensee renews on the same day; the next fixed deadline is December 31, 2027.

  2. 2

    Complete 16 hours of board-approved continuing education

    Minnesota Department of Labor and Industry requires 16 hours every 2 years, including State Plumbing Code, Code/Laws, Other Related or Code, Technical topics related to water conditioning installation and servicing, or the Minnesota statutes and rules relating to water conditioning and other required topics. Do not leave it for the last week — completions must be on file before the deadline.

    See the Minnesota plumbers course
  3. 3

    Save your certificate of completion

    Download the certificate the moment you finish and keep it with your license records.

  4. 4

    Make sure your hours reach the board

    In Minnesota, the provider uploads a completion roster to the board.

  5. 5

    Renew with Minnesota Department of Labor and Industry

    Submit your renewal through the board’s online portal and pay the renewal fee before the deadline. A late renewal usually means a late fee, and a lapsed license can mean re-applying from scratch.

    Go to Minnesota Department of Labor and Industry

Minnesota plumber renewal FAQ

How many continuing education hours do Minnesota plumbers need?
Minnesota plumbers must complete 16 hours of board-approved continuing education every 2 years, as set by Minnesota Department of Labor and Industry.
Which license types have different CE requirements in Minnesota?
Requirements differ by license class in Minnesota: 16 hours for Restricted journeyworker plumber, Continuing education; 4 hours for Water conditioning journeyworker, Medical gas certificate; 2 hours for Unlicensed water conditioning, Unlicensed plumber (PA).
What topics are required for Minnesota plumbers continuing education?
Minnesota Department of Labor and Industry requires coverage of: State Plumbing Code (8 hours); Code/Laws (2 hours); Other Related or Code (2 hours); Technical topics related to water conditioning installation and servicing, or the Minnesota statutes and rules relating to water conditioning (2 hours); Technical topics related to the installation, repair or maintenance of medical gas systems, NFPA 99, or the Minnesota laws and rules relating to medical gas systems (4 hours); Remainder - Plumbing Code, technical topics related to plumbing installations and equipment, Minn (8 hours); Water conditioning master and journeyworker variant: 4 hours total, at least 2 on the Plumbing Code (2 hours); Registered unlicensed plumber (2 hours); Medical gas installer certification variant: 4 hours on installation/repair/maintenance of medical gas systems, Minn (4 hours).
How are completed CE hours reported to Minnesota Department of Labor and Industry?
Completed hours are reported by the provider via roster upload to the board. You also receive a certificate of completion for your records.
Can Minnesota plumbers complete continuing education online?
Yes. Board-approved online courses count toward the Minnesota requirement; timed seat-time and completion records satisfy audit requirements.

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