North Dakota Plumbing Exams

The North Dakota Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more.  Whether you live in Fargo, Bismarck, Grand Forks or another city or county, the resources below will help you get started:

Need of a License:  Journeyman and master plumbers need a license to work in North Dakota. 

Who Grants a License:  Plumbing licenses are issued by the North Dakota State Board of Plumbing.  

Procedures for Getting a License:   Candidates for the journeyman and master plumber licenses must take an exam to obtain a license.

Qualifications to take the Journeyman Exam and receive a License:  A candidate for the journeyman license needs 4 years of work experience under the supervision of a licensed master plumber.  If you have a valid journeyman license from another state, you can qualify to take the exam.  An out-of-state candidate can qualify to take the journeyman exam without having been a licensed journeyman plumber if the candidate had 5 years of plumbing experience in a state that does not license plumbers and passes a screening exam first.

Qualifications to take the Master Exam and receive a License:  A  candidate for the master license needs 2 years of work experience as a licensed journeyman plumber in North Dakota or in any other state that has licensing laws.  If you have a valid master license from another state, you can qualify to take the exam.

Test Content:  The test has questions about basic plumbing principles and the state plumbing code.  A candidate is also asked to draw stacks, vents, wastes and minimum pipe sizes on drawings which already have the piping fixtures on them.

How to Apply for the Test:  To obtain an application, contact the following:

     North Dakota State Plumbing Board

    1110 College Drive Suite 210

     Bismark, ND 58501

For more information, call (701) 328-9979. 

Who Administers the Exam:  North Dakota State Plumbing Board

Fees:  There are fees to take the test.

Applicable Code:   Local municipalities in North Dakota adopt the International Plumbing Code established by the International Code Council. 


For more information on licensing and exam preparation, go to's

Journeyman Plumbing Test Guide

Master Plumbing Test Guide

And take's Plumbing Practice Test.

For plumbing exam preparation products and services, such as study guides, practice tests, flashcards and courses, go to's Journeyman Plumber Exam and Master Plumber Exam listings.