North Dakota Plumbing License Requirements
Yes. North Dakota licenses plumbers through the North Dakota State Plumbing Board. It issues apprentice, journeyman, master and contractor credentials.
State plumber license · By BrazeJobs Team · Updated
License tiers
| Apprentice | Registered (years 1-3 under direct supervision) |
| Journeyman | State license |
| Master | State license (5 years including 2 as journeyman) |
| Contractor | Plumbing Contractor |
Requirements
| Exam | State exam |
| Fees | Continuing education session $40 |
| Renewal | 2 years |
| Continuing education | 2-4 hours per 2 years (by Dec 31, even years) |
| Local license | No (state license covers) |
| Board | North Dakota State Plumbing Board |
Exam
| Exam provider | State Plumbing Board |
| Format | Mixed (closed-book multiple choice, open-book completion parts) |
| Questions | Master: 100 multiple choice + 40 completion + sizing; Journeyman: 100 multiple choice + completion parts |
| Time | Master: 5 hours |
Failed exam: six-month wait to retest.
- Source: ndplumbingboard.gov · checked November 6, 2026
Licensed in another state or the military
| Reciprocity | Journeyworker/master with Minnesota |
- Source: ndplumbingboard.gov · checked November 6, 2026
Apprenticeship
| Registering agency | U.S. Department of Labor Office of Apprenticeship (no state agency) |
Programs register through the Office of Apprenticeship; use the Partner Finder for local sponsors.
- Source: apprenticeship.gov · checked November 6, 2026
Plumbing code
| Code in force | 2018 UPC with state amendments |
State Plumbing Board rule NDAC 62-03.1-01-01.
- Source: ndlegis.gov · checked November 5, 2026