North Dakota plumber license & renewal
The requirements, the timing and the official sources. Everything we’ve verified, in one place.
License fee
—
Not verified yet
Required hours
—
Not verified yet
Exam
After failing the plumbing examination, a plumber must wait six months to retake it.
Renewal
expires on the thirty-first day of December of the year in which it was issued.
Before you begin
Agency guidance
Anyone performing plumbing must hold the applicable North Dakota license.
Verified 2026-10-24 — source and quotation
Any person performing plumbing in the state of North Dakota must be licensed with the North Dakota State Plumbing Board.Official source
Agency guidance
Journeyman and master plumbers must complete two to four CE credit hours within a two-year period.
Verified 2026-10-24 — source and quotation
Yes, Journeyman and Master plumbers must complete at least two (2) to four (4) credit hours within a two (2) year period.Official source
Agency guidance
A current Montana journeyman or master license supports applying for a North Dakota journeyman license without examination.
Verified 2026-10-24 — source and quotation
If you hold a current Montana Journeyman or Master license, you can apply for a North Dakota Journeyman license without examination.Official source
How to get this license
Use the agency’s requirements below to plan your next steps. Missing details stay marked.
Start with the licensing authority
Licensing board
North Dakota State Plumbing Board
Verified 2026-10-24 — source and quotation
Any person performing plumbing in the state of North Dakota must be licensed with the North Dakota State Plumbing Board.
Official sourceOfficial agency page
Check the qualifications
Age
Master applicants must be at least 21.
Verified 2026-10-24 — source and quotation
Applicants applying for a Master license must be twenty-one (21) years of age
Official sourceExperience
Journeyman: four years and 7,600 hours as an apprentice under a licensed master. Master: two years and 3,400 hours as a licensed journeyman.
Verified 2026-10-24 — source and quotation
Applicants applying for a Journeyman license must have four (4) years AND seven thousand six hundred (7600) hours experience as an Apprentice plumber working under a licensed Master plumber. Applicants applying for a Master license must be twenty-one (21) years of age and must have had two (2) years and three thousand four hundred (3400) hours experience as a licensed Journeyman plumber.
Official sourceExam
After failing the plumbing examination, a plumber must wait six months to retake it.
Verified 2026-10-24 — source and quotation
Yes, a plumber who has written and failed the exam will have to wait a six (6) month period before rewriting the exam.
Official sourceReview fees and apply
Application fee
Not verified yet
Exam fee
$50.00
Verified 2026-10-24 — source and quotation
What is the fee for the Journeyman exam? $50.00. When is a Journeyman plumber eligible to take the Master exam? After the Journeyman plumber can show proof of two (2) years of work experience working as a licensed Journeyman plumber. What is the fee for the Master exam? $50.00.
Official sourceLicense fee
Not verified yet
Apply with the agency
Verified 2026-10-24 — source and quotation
Apply for your plumbing, sewer and water or water conditioning license with the convenient fillable and savable applications.
Official source
Reciprocity
North Dakota has written agreements with South Dakota, Minnesota and Montana. The application must include a Certificate of Endorsement from the licensing state, not merely a copy of the license.
Verified 2026-10-24 — source and quotation
North Dakota has written agreements with South Dakota, Minnesota and Montana. The application must be accompanied by a Certificate of Endorsement from the state in which you are licensed, not just a copy of your current license.Official source
Official sources and verification (12)
Last verified 2026-10-24. Each quotation supports the corresponding published value.
Any person performing plumbing in the state of North Dakota must be licensed with the North Dakota State Plumbing Board.Official source
Verified 2026-10-24
Apply for your plumbing, sewer and water or water conditioning license with the convenient fillable and savable applications.Official source
Verified 2026-10-24
Applicants applying for a Master license must be twenty-one (21) years of ageOfficial source
Verified 2026-10-24
Applicants applying for a Journeyman license must have four (4) years AND seven thousand six hundred (7600) hours experience as an Apprentice plumber working under a licensed Master plumber. Applicants applying for a Master license must be twenty-one (21) years of age and must have had two (2) years and three thousand four hundred (3400) hours experience as a licensed Journeyman plumber.Official source
Verified 2026-10-24
Yes, a plumber who has written and failed the exam will have to wait a six (6) month period before rewriting the exam.Official source
Verified 2026-10-24
What is the fee for the Journeyman exam? $50.00. When is a Journeyman plumber eligible to take the Master exam? After the Journeyman plumber can show proof of two (2) years of work experience working as a licensed Journeyman plumber. What is the fee for the Master exam? $50.00.Official source
Verified 2026-10-24
A certificate and license issued under the provisions of this chapter is valid for only one year and expires on the thirty-first day of December of the year in which it was issued.Official source
Verified 2026-10-24
North Dakota has written agreements with South Dakota, Minnesota and Montana. The application must be accompanied by a Certificate of Endorsement from the state in which you are licensed, not just a copy of your current license.Official source
Verified 2026-10-24
Any person performing plumbing in the state of North Dakota must be licensed with the North Dakota State Plumbing Board.Official source
Verified 2026-10-24
Yes, Journeyman and Master plumbers must complete at least two (2) to four (4) credit hours within a two (2) year period.Official source
Verified 2026-10-24
If you hold a current Montana Journeyman or Master license, you can apply for a North Dakota Journeyman license without examination.Official source
Verified 2026-10-24
Keep exploring.
Same license in other states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Last verified 2026-10-24.
Official sources (2)
Not legal or tax advice. Confirm with the official agency before filing.