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Online Education developed by the most experienced and trusted team in the industry.


Plumbing Licensing & Exam Prep

This page outlines all requirements to obtain a Plumbing license in Idaho. Passing the exam is a vital step in the process, and we have you covered. All of our training is offered in an online self-paced format. Our exam prep is designed to help you pass your test the first time, and is backed with our no pass, no pay policy. All of our courses are available from almost any device, any time. We hope that you will make RocketCert your home to help you obtain your Idaho Plumbing License.

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    Master / Journey
    Exam Prep
  • Coming Soon
    Exam Prep
Individual studying for the Idaho Journey Electrical Exam online with RocketCert
Scope of work

What type of work can be done with this license?

Licensed Electrician in Idaho
  • Journeyman Plumbing Exam

    The state qualifies a Journey Worker Plumbing as any person who performs or supervises the actual physical work of installation, improvement, extension or alteration of plumbing systems under the direction of a plumbing contractor.

  • Plumbing Contractor License

    Any person or entity providing or offering to provide plumbing contracting services, including but not limited to submitting a bid.

Requirements & steps

What are the requirements to getting a license?

Journeyman Plumbing RequirementsJourneyman Plumbing Requirements
  • Provide proof of a minimum of 4 years’ experience
  • Submit application for exam approval with proof of
  • Completion of a board approved 4 years course of instruction
  • Minimum 4 years (8,000 hours) work experience under constant on-the-job supervision
  • Pass the Idaho Plumbing Exam
Master Plumbing RequirementsPlumbing Contractor Requirements
  • Submit application for exam approval with proof of
    • An active journeyman plumbing certificate
    • a minimum of 2.5 years’ experience as a licensed journeyman plumber in the state of Idaho
  • Submit application for exam approval
  • Possess an active journeyman plumbing certificate
  • Provide proof of a minimum of 2.5 years’ experience as a licensed journeyman plumber in a recognized jurisdiction
  • Pass the Idaho Plumbing Contractor Exam

How do I obtain a license?

To apply for your license, contact the Idaho Division of Building Safety at 208-334-3950 or visit the board Website.

Idaho Journeyman Plumbers have reciprocity agreements with Montana, Oregon, and Washington.

With RocketCert, our education is written by a combination of professional educators and industry professionals. Our exam prep is guaranteed to help you pass the exam, and is backed with our no pass, no pay policy. We pride ourselves on providing industry leading customer service. Also, if you find a better original price on any online course that we offer, we will beat it by 10%.

RocketCert customer studying to pass their State exam through the RocketCert website or on the mobile app.

Preparing to pass the State exam is a critical part of the licensing process. Failing the exam can result in substantial delays before you are able to work under your license. We offer industry leading exam prep and all of the required books, at an unbeatable price.


After studying with RocketCert, you will be on your way to passing the required State exam(s) (see below). Contact DBS at 208-332-7137 to begin this process. Testing centers are setup throughout the State in larger cities. Pre-approval is required from the testing agency prior to scheduling the exam


After completing all the steps above, it will be time to apply through DBS to obtain your Idaho Plumbing License.


Which exam do I need to take?

To schedule your exam, submit a completed application for approval by the state.

Exam details Idaho Plumbing Journeyman Exam

  • Passing Score: 75% correct
  • Time: 4 hours

Topics include: Chapters 1-12, App, Sizing, Statutes/Rules, Math Equations, and Contractor Business/Law Manual

It’s the exam! Idaho Contractor Plumbing Contractor Exam

  • Passing Score: 75% correct
  • Time allowed: 3 hours

Topics Include: Chapters 5-12, Sizing, Statutes/Rules, and Contractor Business/Law Manual

Exam Prep, & Books

How do I pass the exam?

The Idaho exams are open book. The references below are permitted to be tabbed, highlighted, and used during your test! Unfortunately, our online course is NOT permitted to be accessed during the State exam.

The exam prep includes math, isometrics, highlighting guides covering the topics your exam is based on, practice questions for each references, and unlimited attempts on our "test simulation".

Online Exam Prep Includes:

  • Isometrics Lessons - Here, we teach you math concepts for sizing water supply pipe, drain pipe, and vent pipe based on drawings.
  • Highlighting Guides - Introduce the critical information in your book(s). This will familiarize you with each book’s content and its layout.
  • Quizzes - These practice quizzes are based on each individual book/reference. They reinforce key concepts.
  • Test Simulation / Practice Exam - Comprehensive exams randomly generated from our database of questions. Test simulations are restricted by time, and hints are disabled. Test simulations are as close to the real exam as you can get.
  • Guide to Tabbing - This section includes tabbing books and other test taking strategies to keep calm and focused during the exam.

2015 Uniform Plumbing Code

See Details


Print for Your Exam
Division of Building Safety Contractor's Business and Law Reference Manual
Free / Online
Idaho Plumbing Statutes and Rules
Free / Online
Pre-printed or blank tabs are also available.

1 Book Tab Bundle

See Details



Permanent Blank Tabs - 375 Pack

See Details


About Us

Why should I choose RocketCert?

At RocketCert, we strive to be the best (while having fun in the process). This means having not only the best quality of education, but also industry leading technology. Best yet, we are here for you 7 days a week. Have a question or comment? Give us a call or contact us to send us a message. Ready to begin? Select from the training below and start immediately. Of course, you can resume later!


Why pay for something knowing your time with it is limited? At RocketCert, we believe in offering lifetime access to your training, even though it will not be needed.


Our education is written industry experts. We believe in helping you with your career, and that help begins with offering best in class education.


We are here for you. Have a question? Need support? Our team is available 7 days a week for technical support. We pride ourselves in taking care of you.


Our training is available 24/7, and you can start and stop as needed. With our mobile ready courses, you can take from nearly any device at any location.