Idaho Plumbing License (Journeyman/Contractor)

This exam is required to be passed to obtain your State license. We stock all reference books in our online store. Shipping is always fast and affordable.

Idaho Plumbing License (Journeyman/Contractor)
Steps to Success

1. Purchase Books and References.
2. Schedule and pass your State Exams.
3. Submit your application, licensing fee, and proof of insurance to the State.

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About this License

A licensed plumber in Idaho can perform all aspects of plumbing, utility connections, irrigation systems, as well as gas piping to water heaters, laundry equipment, kitchen equipment, gas grills, and swimming pool heaters.

Requirements to Obtaining your License

  • All apprentices for the Journeyman must be registered yearly
  • An applicant for the Journeyman must show a minimum of 4 years of experience, pass and exam with no less than 75% correct, and pass a practical work exam
  • Contractors must be certified, plus have the required time enrolled in an approved related training course and have a provable minimum of 2 1/2 years experience as a Journeyman plumber, either in Idaho or in another state
  • Contractors performing hands-on work must test and pass the journeyman exam
  • A $2,000 surety bond is required with the submission prior to taking the contractor exam
  • Licenses are good for 3 years and must be renewed before the expiration date

Exam Review, Training, Education

We currently do not have any training material for this test, but please check back later for updates.

Books and References for the Exam

The following references are permitted to be taken into the examination. These references may be tabbed (with a permanent index tab) and highlighted. You can purchases the references from our online bookstore or by calling 1-800-952-0910.

Exam Details

  • 100 questions total and a time limit of 4 hours (Journeyman)
  • 100 questions total and a time limit of 3 hours (Contractor)
  • Open Book
  • Exam requires a 70% to pass.
  • To schedule your exams, contact the bureau at 208-334-3442.

Continuing Education

None at this time.

Applying to Get Your License

Division of Building Safety, Plumbing Bureau
1090 E. Watertower St.
Meridian, ID 83642

Reciprocity Agreement

Idaho has a reciprocal agreement with Oregon, and Montana for the journeyman plumber license only.