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Once you have been approved to take an exam you will need to Schedule and Pay for the exam. An applicant has 90 days from acceptance to schedule and take the appropriate exam.

Due to Covid and limited testing blocks are not allowing those who have already achieved a passing score on their exam to re-examine for a higher score.

Board Contact: Renee Bryant | (208) 332-7137

The exam will be done on a computer at one (1) of the three (3) regional offices, located at:
Meridian Office
1090 E. Watertower St., Ste. 150
Meridian, ID 83642

Office Hours: M-F 8:00 – 5:00 (MST)
Coeur d’ Alene Office
1250 Ironwood Dr., Ste. 220
Coeur d’ Alene, ID 83814

Office Hours: M-F 7:00 – 4:00 (PST)
Blackfoot Office
155 N. Maple St.
Blackfoot, ID 83221

Office Hours: M-F 8:00 – 5:00 (MST)

How to Apply for your exam

The following infromation is for ALL Plumbing realted licensing.

Once you have been approved to take an exam you will need to Schedule and Pay for the exam. An applicant has 90 days from acceptance to schedule and take the appropriate exam.

Due to Covid and limited testing blocks are not allowing those who have already achieved a passing score on their exam to re-examine for a higher score.

Examination Costs

The cost of your exam will be seventy-five dollars ($75). This fee is non-refundable.

Scheduling your Exam

To schedule an exam call (800) 955-3044 at least two (2) business days prior to the date you would like to test. There are limited seats available for each test and you may not receive your initial choice.

You will pay your exam fees when you call to schedule your exam and make payment using MasterCard, Visa, Discover, American Express (3% non-refundable fee if paying by credit/debit card), Check or Cash. Once the payment is received at a DBS location the exam will be scheduled

Rescheduling an Exam

If you need to reschedule your exam, you may do so by contacting the Division of Building Safety. The following are the steps you must follow for rescheduling your exam. You must reschedule at least two (2) business days prior to your appointment. If you call at least two (2) days prior to your appointment, you may reschedule at no cost; otherwise you will lose your exam fees. If you fail to attend your scheduled appointment, you will forfeit your test fees and will be required to reschedule and pay the exam fee.

How to Apply for an Idaho Plumbing Appliance Specialty Journeyman

Idaho Statutes and Rules are subject to change and it is the applicant’s responsibility to ensure they have read and understand the requirements to do plumbing work in Idaho. Idaho Statutes and Rules can be found online at: https://dbs.idaho.gov/rules/current.html.

Appliance Plumbing Specialty Application

In order to qualify for the Appliance Specialty Journeyman exam an applicant must:

  • Have eighteen (18) months apprentice on-the-job experience, satisfactory completion of seventy-two (72) hours of Idaho Plumbing Board-approved, related training classes and successful completion of the appliance plumbing specialty journeyman’s test.
  • Be employed by a licensed contractor, under the supervision of a journeyman, be enrolled in or have completed Idaho Plumbing Board-approved related training classes and maintain state registration.
  • Submit a completed application (included)
  • Pay the $22.50 (non-refundable) application fee

Scope of Work Permitted. Permitted to disconnect, cap, remove, and reinstall within sixty (60) inches of original location: water heating appliance, water treating or filtering devices; air or space temperature modifying equipment which involves potable water; humidifier; temperature and pressure relief valves; condensate drains and indirect drains in one-family and two-family residences only. Does not include installation, testing, or certifying of backflow prevention devices. Does NOT include any modification to the drain, waste or vent systems. Must comply with all Idaho plumbing laws and rules and the requirements of the Uniform Plumbing Code.

*To register for the Appliance Plumbing Specialty
apprenticeship training course contact:
COLLEGE OF WESTERN IDAHO
(208) 562-3000 or (208) 562-2072

How to Apply for an Idaho Water Pump Specialty Contractor License

Water Pump Specialty Application

In order to qualify for the Water Pump Specialty Journeyman exam an applicant must:

  • Have eighteen (18) months apprentice on-the-job experience, satisfactory completion of twelve (12) hours of Idaho Plumbing Board-approved, related training classes and successful completion of the water pump plumbing specialty journeyman’s test.
  • Be employed by a licensed contractor, under the supervision of a journeyman, be enrolled in or have completed Idaho Plumbing Board-approved related training classes and maintain state registration.

Scope of Work Permitted. Permitted to install and connect water service piping from pump to storage expansion pressure tank in one (1) and two (2) family residences only. Does not include installation, testing or certifying of backflow prevention devices. Must comply with all Idaho plumbing laws and rules and the requirements of the Uniform Plumbing Code.

*To register for the Water Pump Plumbing Specialty
apprenticeship training course contact:
LYNN TAKANAGA
(208) 381-0294

Idaho Plumbing Licenses Applications

Plumbing Apprentice Application
Any person who, for the purpose of learning the trade of journeyman plumber, engages in the installation, improvement, extension or alteration of plumbing systems while under the constant on-the-job supervision of a qualified journeyman plumber.
Plumbing Journeyman Application
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 Application
Any person or entity providing or offering to provide plumbing contracting services, including but not limited to submitting a bid.

Specialty Plumbing License Types:


Appliance Specialty Application
Water Pump Specialty
Mobile Home Specialty
Specialty Plumbing Apprentice Application
Any person who, for the purpose of learning the trade of specialty journeyman plumber, engages in the installation, improvement, extension or alteration of specialty plumbing systems while under the constant on-the-job supervision of a qualified specialty journeyman plumber.
Specialty Plumbing Journeyman Application
Any person who performs or supervises the actual physical work of installation, improvement, extension or alteration of specialty plumbing systems under the direction of a specialty plumbing contractor.
Specialty Plumbing Contractor Application
Any person or entity providing or offering to provide specialty plumbing contracting services, including but not limited to submitting a bid.

More information can be found in the Frequently Asked Questions