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New Hampshire · Plumbers · 2026 renewal guide

How to Renew Your New Hampshire Plumber License

New Hampshire plumbers must complete 6 hours of board-approved continuing education every 2 years, as required by New Hampshire Mechanical Safety and Licensing Board (OPLC).

Written by the TradesCE compliance team · Verified against the New Hampshire Mechanical Safety and Licensing Board (OPLC) rule on September 6, 2026.

CE hours
6 hours
Renewal cycle
Every 2 years
Next deadline
Per license
Exam to renew
Not required

Who has to renew

This guide covers New Hampshire plumbers holding a Continuing education license. Requirements are set by New Hampshire Mechanical Safety and Licensing Board (OPLC).

When to renew

New Hampshire plumbers licenses renew every 2 years, on the schedule your board assigns to your license. Continuing education must be complete before you submit the renewal. (https://gc.nh.gov/rules/state_agencies/saf-mec400.html)

The continuing education New Hampshire requires

New Hampshire Mechanical Safety and Licensing Board (OPLC) requires 6 hours of approved continuing education every 2 years. The hours must cover these topics:

  • The New Hampshire adopted codes and standards for the plumbing discipline — at least 6 hours
  • Seminar based on current adopted ICC code materials relative to the NH state plumbing code

How to renew, step by step

  1. 1

    Confirm your license class and renewal date

    New Hampshire sets plumbers requirements by license class (Continuing education). Check the class printed on your license, then note your renewal date — renewals run the schedule your board assigns to your license.

  2. 2

    Complete 6 hours of board-approved continuing education

    New Hampshire Mechanical Safety and Licensing Board (OPLC) requires 6 hours every 2 years, including The New Hampshire adopted codes and standards for the plumbing discipline, Seminar based on current adopted ICC code materials relative to the NH state plumbing code. Do not leave it for the last week — completions must be on file before the deadline.

    See the New Hampshire 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 New Hampshire, you keep your certificate of completion and present it to the board if asked.

  5. 5

    Renew with New Hampshire Mechanical Safety and Licensing Board (OPLC)

    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 New Hampshire Mechanical Safety and Licensing Board (OPLC)

New Hampshire plumber renewal FAQ

How many continuing education hours do New Hampshire plumbers need?
New Hampshire plumbers must complete 6 hours of board-approved continuing education every 2 years, as set by New Hampshire Mechanical Safety and Licensing Board (OPLC).
Which license classes does the New Hampshire plumbers CE requirement apply to?
The 6 hours requirement applies to: Continuing education.
What topics are required for New Hampshire plumbers continuing education?
New Hampshire Mechanical Safety and Licensing Board (OPLC) requires coverage of: The New Hampshire adopted codes and standards for the plumbing discipline (6 hours); Seminar based on current adopted ICC code materials relative to the NH state plumbing code.
Can New Hampshire plumbers complete continuing education online?
Yes. Board-approved online courses count toward the New Hampshire requirement; timed seat-time and completion records satisfy audit requirements.

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