Montana Plumbing License Renewal: Deadlines, Fees and CE

The Journeyman Plumber (Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division)) renews every year, has a renewal fee of about $160 and requires 4 hours of continuing education. The Master Plumber (Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division)) renews every year, has a renewal fee of about $265 and requires 4 hours of continuing education. Fees change, so check the official site for the exact amount.

Full rule details

Verified dataLast checked Oct 17, 2026, next review due July 2027

Informational: verify with the issuing board.

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Journeyman Plumber

JOURNEYMAN · State license · Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division)

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Renew on the official site (406) 444-6880

Renewal cycle: Every year
Continuing education: 4 hours
Show CE rules
4 hours of Board-approved, code-related CE each license year (ARM 24.180.2102); course must have prior Board/Department approval (IAPMO-taught courses acceptable; reciprocal-state-approved courses accepted); new licensees exempt for first renewal; licensee affirms CE compliance at renewal and keeps certificates for random audit.
Deadline rule: Annually on September 1 (FY26 renewals opened July 2, 2026 and were due Sept 1, 2026; next due Sept 1, 2027).

Show fees, grace period, bond and insurance

Grace period: None on the renewal date; 45-day lapsed window and 2-year expired window apply.

Fees, approximate

Renewal fee: About $160
Late fee: Show the details (amounts are approximate)
Late penalty fee = 100% of the renewal fee, in addition to the renewal fee, for each renewal period missed (ARM 24.101.403(2)); applies even when the renewal fee has been abated (100% of the un-abated fee). Online renewals must be submitted before 11:59 pm Mountain time on the renewal date (ARM 24.101.413).
Reinstatement: Show the details (amounts are approximate)
ARM 24.101.408: license not renewed by the renewal date is lapsed - may be reactivated within 45 days by renewing and paying fees (practicing while lapsed is not unlicensed practice); after 45 days it expires - may still be reactivated within 2 years of the renewal date (practicing while expired is unlicensed practice); after 2 years it terminates and a new original license (incl. exam if applicable) is required.

Fees change. Check the official site for the exact amount.

Why approximate?

Boards change fees often and some charge extra processing fees. We show a recent amount so you can plan.

Bond: Not required
Insurance: Not required
Reciprocity: Montana has journeyman reciprocity agreements with Oregon, Idaho, North Dakota and South Dakota for applicants who passed the journeyman written and practical exams in that state. CE courses approved by reciprocal states are accepted.

Notes

The FY26 renewal fee was 100% abated, with fees still charged for late renewals; check the amount shown when the next renewal opens in early July.

HighLast checked Oct 17, 2026

Sources (9)

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Master Plumber

MASTER · State license · Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division)

Remind me before this expires

Renew on the official site (406) 444-6880

Renewal cycle: Every year
Continuing education: 4 hours
Show CE rules
4 hours of Board-approved, code-related CE each license year (ARM 24.180.2102); course must have prior Board/Department approval (IAPMO-taught courses acceptable; reciprocal-state-approved courses accepted); new licensees exempt for first renewal; licensee affirms CE compliance at renewal and keeps certificates for random audit.
Deadline rule: Annually on September 1 (FY26 renewals opened July 2, 2026 and were due Sept 1, 2026; next due Sept 1, 2027).

Show fees, grace period, bond and insurance

Grace period: None on the renewal date; 45-day lapsed window and 2-year expired window apply.

Fees, approximate

Renewal fee: About $265
Late fee: Show the details (amounts are approximate)
Late penalty fee = 100% of the renewal fee, in addition to the renewal fee, for each renewal period missed (ARM 24.101.403(2)); applies even when the renewal fee has been abated (100% of the un-abated fee). Online renewals must be submitted before 11:59 pm Mountain time on the renewal date (ARM 24.101.413).
Reinstatement: Show the details (amounts are approximate)
ARM 24.101.408: license not renewed by the renewal date is lapsed - may be reactivated within 45 days by renewing and paying fees (practicing while lapsed is not unlicensed practice); after 45 days it expires - may still be reactivated within 2 years of the renewal date (practicing while expired is unlicensed practice); after 2 years it terminates and a new original license (incl. exam if applicable) is required.

Fees change. Check the official site for the exact amount.

Why approximate?

Boards change fees often and some charge extra processing fees. We show a recent amount so you can plan.

Bond: Not required
Insurance: Not required
Reciprocity: Montana does not reciprocate a master plumber license. Reciprocity agreements cover journeyman licensure only (Oregon, Idaho, North Dakota, South Dakota). CE courses approved by reciprocal states are accepted.

Notes

The FY26 renewal fee (due September 1, 2026) was 100% abated, with fees still charged for late renewals; check the amount shown when the September 1, 2027 renewal opens in early July. Master plumber of record fee $50 (a plumbing business must designate a master plumber of record). Experience: 4 years as a licensed journeyman. Medical gas endorsement renews at $30.

HighLast checked Oct 17, 2026

Sources (9)

The hours, required topics, approved providers and reporting rules for each license are on the Montana Plumbing continuing education page.

How to renew

1Check your Journeyman Plumber deadline: Annually on September 1 (FY26 renewals opened July 2, 2026 and were due Sept 1, 2026; next due Sept 1, 2027).
2Complete 4 continuing education hours before renewing. 4 hours of Board-approved, code-related CE each license year (ARM 24.180.2102); course must have prior Board/Department approval (IAPMO-taught courses acceptable; reciprocal-state-approved courses accepted); new licensees exempt for first renewal; licensee affirms CE compliance at renewal and keeps certificates for random audit.
3Renew online at https://ebiz.mt.gov/POL/Default.aspx
4Pay the renewal fee on the official site. Expect about $160, but fees change.
5If you miss the deadline: Late penalty fee = 100% of the renewal fee, in addition to the renewal fee, for each renewal period missed (ARM 24.101.403(2)); applies even when the renewal fee has been abated (100% of the un-abated fee). Online renewals must be submitted before 11:59 pm Mountain time on the renewal date (ARM 24.101.413).
6Check your Master Plumber deadline: Annually on September 1 (FY26 renewals opened July 2, 2026 and were due Sept 1, 2026; next due Sept 1, 2027).
7Pay the renewal fee on the official site. Expect about $265, but fees change.

Montana Plumbing renewal questions

Answers come from the records above. Informational: verify with the issuing board.

When does a Montana plumbing license expire?

Journeyman Plumber: renews every year. Annually on September 1 (FY26 renewals opened July 2, 2026 and were due Sept 1, 2026; next due Sept 1, 2027). Master Plumber: renews every year. Annually on September 1 (FY26 renewals opened July 2, 2026 and were due Sept 1, 2026; next due Sept 1, 2027). Check with Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division) before you rely on it.

How many CE hours does a Montana plumbing license need?

Journeyman Plumber: 4 hours per renewal. Master Plumber: 4 hours per renewal. Check with Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division) before you rely on it.

Is there a grace period for a Montana plumbing license?

None on the renewal date; 45-day lapsed window and 2-year expired window apply. Check with Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division) before you rely on it.

How much does it cost to renew a Montana plumbing license?

Journeyman Plumber: About $160. Fees change. Check the official site for the exact amount.

What happens if a Montana plumbing license expires?

Late penalty fee = 100% of the renewal fee, in addition to the renewal fee, for each renewal period missed (ARM 24.101.403(2)); applies even when the renewal fee has been abated (100% of the un-abated fee). Online renewals must be submitted before 11:59 pm Mountain time on the renewal date (ARM 24.101.413). Fees change. Check the official site for the exact amount.

Does Montana accept plumbing licenses from other states?

Montana has journeyman reciprocity agreements with Oregon, Idaho, North Dakota and South Dakota for applicants who passed the journeyman written and practical exams in that state. CE courses approved by reciprocal states are accepted. Check with Montana Board of Plumbers (Dept. of Labor & Industry, Business Standards Division) before you rely on it.

Sources

Spot something out of date?

Informational only. Check it with the issuing board. Licensing rules, deadlines and CE requirements change, fee amounts are approximate, and this page can be out of date. It is not legal advice, and we are not affiliated with any state board. Read the disclaimer.

This information is here to help you plan, not to replace the board. Fee amounts are approximate and may be out of date. Deadlines and continuing education rules change too, sometimes without much notice. Always confirm with your licensing board and its official site before you rely on a date or an amount. This is not legal advice.

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