Idaho Plumbing Exams
The Idaho Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more. Whether you live in Boise, Nampa, Meridan or another city or county, the resources below will help you get started:
Prepare to Pass the Actual Plumbing Exam:
600 Plumber Exam Questions, Flash Cards, and Testing Tips
Need of a License: Journeyman plumbers, specialty journeyman plumbers, plumbing contractors and specialty plumbing contractors need a license to work in Idaho.
Procedures for Getting a License: Plumbing candidates must take an exam to obtain a license.
Who Grants a License: Plumbing licenses are issued by the Idaho Division of Building Safety.
Qualifications to take the Exam and receive a License:
Journeyman – must have at least 4 years of experience as an apprentice making plumbing installations under the constant on-the-job supervision of a qualified journeyman plumber and 4 years (a minimum of 576 hours) of approved apprenticeship plumbing class room instruction.
Specialty journeyman – must meet the requirements for the specialty, i.e. appliances, water pumps and mobile homes. The requirements differ from specialty to specialty.
Plumbing Contractor – must have at least 2 ½ years of experience as a journeyman plumber either in Idaho or in another state.
Test Content:
Journeyman – 100 questions and practical exam, 3 hours, open book, need 75% to pass, with the following content:
Administration 5
Definitions 10
General Regulations 7
Traps & Intercepts 7
Cleanouts 4
Fixtures 5
Indirect Wastes 6
Water Supply & Back Flow 10
Water Heater 5
Drainage 3
Drainage Calculations 5
Vents 2
Vent Calculations 4
Storm Drains 3
Developed Length 4
Isometric Analysis 12
Fitting ID 4
Gas Piping 4
Appliance Specialty Journeyman – 25 questions, 1 hour, open book, need score of 75% to pass, with following content:
Administration 2
Definitions 4
General Regulations 8
Water Supply 4
Water Heater 4
Gas Piping 3
Appliance Specialty Contractor – 50 questions, 2 hours, open book, 75% to pass, with the following content:
Administration 2
Definitions 4
General Regulations 4
Water Supply 4
Water Heater 4
Gas Piping 2
Insurance Laws 4
Tax Laws 2
Safety 2
Management 2
Lien Laws 2
Employment Laws 3
General Accounting 3
Idaho Rules 5
Idaho Statutes 5
Permit Calculations 2
Plumbing Contractor – 100 questions, 3 hours, open book, 75% to pass with following content:
Administration 2
Definitions 2
General Regulations 5
Traps 2
Cleanouts 2
Interceptors 2
Fixtures 4
Hangers & Supports 2
Indirect Wastes 2
Water Supply 5
Water Heater 2
Drainage 3
Drainage Calculations 2
Vents 4
Vent Calculations 2
Storm Drains 1
Developed Length 4
Isometric Analysis 4
Water Pump Specialty Journeyman – 25 questions, 1 hour, open book, 75% to pass with the following content:
Administration 2
Definitions 4
General Regulations 7
Water Supply 4
Drainage 3
Rules & Lawas 5
How to Apply for the Test: You can access the applications online with the following links:
Mail the completed application to:
Idaho Division of Building Safety
Plumbing Bureau, Licensing Section
1090 E. Watertower, Street
Meridian, ID 83642
For more information call (208) 334-3442
After you are approved to take the exams, you will be provided information on how to register to take the exams.
Who Administers the Exam: Gainesville Independent Testing Services and Pearson Vue.
Fees: There are fees to take the test.
License Renewal: Licenses must be renewed every year. There is a continuing education requirement for plumbers.
Applicable Code: Idaho follows the Uniform Plumbing Code (UPC).
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For more information on licensing and exam preparation, go to Tests.com's
Journeyman Plumbing Test Guide
And take Tests.com's Plumbing Practice Test.
Prepare to Pass the Actual Plumbing Exam:
600 Plumber Exam Questions, Flash Cards, and Testing Tips
