Idaho Plumbing License Requirements

Idaho Plumbers License Requirements

In the state of Idaho a Plumbers License is required to perform any plumbing work inside ID. To become a licensed plumber in Idaho, any business or individual performing work as a plumber is required to pass the Idaho plumbing exam issued by the Idaho Division of Building Safety. The Idaho Plumbing license covers unlimited commercial and residential plumbing but does NOT cover fuel gas or boiler systems.

Requirements for Obtaining a Plumbing Licensing in Idaho

Idaho issues statewide licenses for journeyman plumbers and plumbing contractors. Anyone wishing to become a plumber in the State of Idaho must register with the Division of Building Safety as an apprentice by submitting the Plumbing Apprentice Registration along with the registration fee. 

Journeyman Plumber License

A journeyman plumber is defines as anyone wishing, for the purpose of learning the trade of journeyman plumber, to engage in the installation, improvement, extension or alteration of plumbing systems while under the constant on-the-job supervision of a qualified plumber. 

In order to obtain a journeyman license in Idaho all applicants have to complete the following apprenticeship requirements:

  • four (4) years of schooling
  • 8000 hours supervised work experience
  • successful completion of written and practical journeyman exam

Plumbing Contractor License

Anyone wishing to become a plumbing contractor in the State of Idaho must have their journeyman license at time of application for contractor.

In order to obtain a plumbging contractor license in Idaho all applicants have to complete the following requirements:

  • Must have worked as a journeyman for 2 ½ years in Idaho to apply for contractor
  • Must apply, pay the fees, take the Idaho contractor’s examination.
  • Proof of bond will only be required upon successful completion of the exam. 

Apply to get your Idaho License

Official application forms for the plumbing apprenticeship and the plumber's license exams are available from the Idaho Division of Building Safety website.

State of Idaho
Division of Building Safety

Plumbing Bureau, Licensing Section
1090 E. Watertower St.
Meridian, ID 83642
(208) 334-3442

Idaho Plumbing Exams

The Idaho journeyman plumbing exam consists of 100 questions and a practical exam and takes about 3 hours to complete. The Idaho plumbing contractor exam also consists of 100 questions and takes about 3 hours to complete. The application fee for the plumbing license exam is $22.50. Either the Gainesville Independent Testing Services or Pearson Vue will administer the exam..

State Licensing and Exams

Licensing and certification requirements for plumbers are usually determined at the state level and tend to vary slightly from state to state. Often, the job of enforcing and regulating these requirements falls to individual municipalities. To check the requirements for a plumbing license in a particular state select your location on the State Licensing Requirements page.

If you need more informations on passing the journeyman plumbing exams then perhaps you might want to read: How To Do The Plumber Journeyman Exam to help you get started as an apprentice plumber or journeyman plumber.

External References