Construction Trade Exam Research Area

Plumbing Trades
(Master, Journeyman, Master and Journeyman Restricted, Water Conditioning, Pipe Laying)

Apply for the License and Exam

Minnesota Department of Labor and Industry
Constructions Codes and Licensing Division

443 Lafayette Road N.
Saint Paul, MN 55155
Phone: (651) 284-5067
Plumbing License Web Site

Exam Type


Exam Content

The exam is based on the Minnesota Plumbing Code, the Minnesota Administrative Rules (MAR) and associated statutes.  A portion of the examination for Master and Journeyman plumber licenses will be open book.

Reference Statutes Used to Write Questions

1. Minnesota State Plumbing Code, Ch. 4715. Doc Link
2. Plumber Licensing and Apprentice Registration , MAR, Chapter 4716 Doc Link
3. Minnesota Plumbing and Water Conditioning Statutes, Sections 326B.41 to 326B.59. Doc Link
4. Minnesota Plumbing Inspection and Plan Review Administrative Rules, Chapter 1300, Part 0125 Doc Link
Study materials are currently NOT available for this exam

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