Obtain Your License

Pursuing a career in the Plumbing field? Study at home for your Wisconsin Plumbing license exam with our fully online, user-friendly, and self-paced course.

  • State Licensed Contractor Application Processing

    Wisconsin Application Processing


    @HomePrep Application Processing is here to ensure your application to become a state licensed contractor gets filled out correctly and promptly. We provide a professional service ensuring your privacy and comfort throughout the entire process. Following your purchase of the Wisconsin Application Processing our AP Coordinator will contact you to discuss the next steps. If you have any questions please call us at 800-952-0910. We look forward to working with you.

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  • Wisconsin Plumbing (Journeyman/Master) – Books Only Package


    As of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.

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Requirements To Complete

About This License

Journeyman - Allows a person to install plumbing systems under the general supervision of a master plumber or master plumber-restricted or a utility contractor doing only the type of work that is associated with the master providing the supervision.

Master - A credential that allows a person to submit plans for approval and to be responsible for those plans and the installation of the plumbing on those plans.

Requirements to Obtaining Your License

No person may install plumbing unless the person holds a credential issued by the department as a licensed master plumber, licensed master plumber restricted, licensed journeyman plumber, licensed journeyman plumber-restricted, registered plumbing apprentice, registered plumbing learner-restricted, registered utility contractor or registered pipe layer.

  • Pre-approval is required for these exams by the state.
  • Master - As a prerequisite to taking the Department of Commerce exam, the applicant shall provide proof of (a) at least 1,000 hours per year for at least 3 consecutive years as a licensed journeyman plumber or (b) graduation from an accredited engineering university or college with a degree in civil engineering, mechanical engineering, or other approved curriculum related to plumbing
  • Journeyman - As a prerequisite to taking the Department of Commerce exam, the applicant shall provide proof of completing a plumbing apprenticeship program recognized under ch 106, Wis. Stats.

Applying For Your License

Call (608) 261-8500 for an application form.

Exam Details

  • Open Book
  • 70% is required to pass
  • Exam is given by the state
  • 8 hours

Books and References for the Exam

The following references ARE allowed in the testing center:

You will need to have a working knowledge of the component manuals for the various POWTS. You will need to bring these to the exam site. These can also be purchased through Wisconsin Document Sales at (608) 266-3358.

Exam Review Education

Please check back later for review and training for this license.

Continuing Education

24 hours of continued education.

Reciprocity Agreement

There are no reciprocal agreements with any state at this time.

How It Works


Obtain pre-approval from the state (if applicable).


Purchase Exam Prep materials.


Schedule and pass your state exams.


Submit to the state your application, licensing fee, and proof of insurance.