Article Index

Idaho Contractor Licenses

Select a license to view its requirements, definition, exams, books, and classes. For specifics please contact the Idaho.

State Licenses

Apprentice Electrician

For the purpose of learning the trade of specialty journeyman electrician, engages in the installation of electric wiring or equipment while under the constant on-the-job supervision of a qualified specialty journeyman electrician of the same category

Appliance Specialty Journeyman

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.

Appliance Specialty

Permitted to disconnect, cap, remove, and reinstall within 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 (1) and two (2) family residences only.

Electrical

Providing or offering to provide electrical contracting services, including, but not limited to, submitting a bid. Must either be or employ at least one (1) full-time Idaho Master Electrician.

Electrical Limited Installer Elevator

Install, maintain, repair, and replace equipment, controls, and wiring beyond the disconnect switch in the machine room of the elevator and pertaining directly to the operation and control thereof when located in the elevator shaft and machine room.

Electrical Limited Installer Manufacturing Equipment

A licensed limited manufacturing or assembling equipment electrician must be employed by a licensed limited manufacturing or assembling equipment contractor in order to work in this category. The holder of a limited license in this category may not countersign a contractor's license application as supervising installer except for work within this limited category.

Electrical Limited Installer Refrigeration, Heating, & Air-Conditioning Installer

All such installation, maintenance, and repair performed by individuals under this subsection shall be done in accordance with applicable provisions of the National Electrical Code. He shall be employed by a licensed electrical contractor whose license shall be covered by this category.

Electrical Limited Installer Sign

A current sign limited electrical license may install, maintain, repair, and replace equipment, controls, and wiring on the secondary side of sign disconnecting means; providing the disconnecting means is located on the sign or within sight therefrom.

Electrical Limited Installer Solar Photovoltaic

All such installation, maintenance, and repair not exempt under the provisions of Section 54-1016, Idaho Code, performed by individuals under this Subsection shall be done in accordance with the applicable provisions of the National Electrical Code.

Electrical Limited Installer Irrigation Sprinkler

An irrigation system electrical license may install, maintain, repair and replace equipment, controls and wiring beyond the disconnect switch supplying power to the electric irrigation machine.

Electrical Limited Installer Well Drill/Water Pump

All such installations performed by individuals under this subsection shall be done in accordance with the applicable provisions of the approved National Electrical Code. They shall be employed by a licensed well driller and water pump installer electrical contractor whose installations shall be limited to this category.

HVAC

Offering to provide any service or work including but not limited to installing, maintaining or repairing heating, ventilation or air conditioning appliances, or gas-fired equipment that requires special venting or gas supply piping systems or subsystems.

HVAC Fuel Gas Piping Specialty Journeyman

Certification as fuel gas piping specialty journeyman entitles the holder to install fuel gas piping only and shall not make the final termination. Appliances and the associated gas piping, chimney, and vents shall be installed by others.

HVAC Hearth Specialty Journeyman

Certification as a hearth specialty journeyman entitles the holder to install hearth appliances and the associated gas lines. Hearth Specialty Journeymen are required to meet the experience requirement and either the education or examination requirement to receive a certificate of competency.

HVAC Journeyman

Performs or supervises the installation, improvement, extension, alteration or repair of HVAC systems under direction of an HVAC contractor.

HVAC Waste Oil Specialty Journeyman

Performs or supervises the installation, improvement, extension, alteration or repair of HVAC systems under direction of an HVAC contractor.

Journeyman Electrician

Any person who personally performs or supervises the actual physical work of installing electric wiring or equipment under the direction of an electrical contractor.

Limited Installer Contractor

Provide specialty electrical contracting services, including, but not limited to, submitting a bid. Must either be or employ at least one (1) full-time Idaho Specialty Electrician of the same category who has held a license for a minimum of two (2) years.

Limited Installer Electrician

Performs or supervises the actual physical work of installing specialty electric wiring or equipment under the direction of a specialty electrical contractor of the same category.

Limited Trainee Electrician

Tthe purpose of learning the trade of specialty journeyman electrician, engages in the installation of electric wiring or equipment while under the constant on-the-job supervision of a qualified specialty journeyman electrician of the same category

Master Electrician

Performed the actual physical work of installing electric wiring or equipment as a journeyman electrician for at least four (4) years under the direction of an electrical contractor.

Manufactured Housing

Is a type of prefabricated housing that is largely assembled in factories and then transported to sites of use.

Modular Building

Sells or exchanges new, used, resale, or brokered manufactured or mobile homes.

Plumbing

Offering to provide plumbing contracting services, including but not limited to submitting a bid.

Plumbing Journeyman

Performs or supervises the actual physical work of installation, improvement, extension or alteration of plumbing systems under the direction of a plumbing contractor.

Public Works (Installer)

Installs a manufactured home or mobile home on-site where it is to be occupied.

Public Works (Retailer)

Sells or exchanges new, used, resale, or brokered manufactured or mobile homes.

Water Pump Specialty Journeyman

Permitted to install and connect water service piping from pump to storage expansion pressure tank in one (1) and two (2) family residences only.

Water Pump Specialty

Permitted to install and connect water service piping from pump to storage expansion pressure tank in one (1) and two (2) family residences only.


How to get an Idaho Limited Installer Electrician Contractor License

The following information is how to apply for the Limited Electrical Installer License

All schooling and work experience must have been obtained per State requirements.

*YOU MUST PROVIDE A COPY OF LEGAL IDENTIFICATION (Driver’s license, Passport, Military ID

      • In order to qualify for the Limited Electrical Installer exam an applicant must:
        • Submit notarized documentation of two (2) years (a minimum of 4,000 hrs) of work experience within the scope of the limited category. The experience must be in compliance with the rules of the state in which the experience was obtained.
        • Submit a completed application (included).
        • Pay the $15 (non-refundable) application fee.
        • Successfully pass the examination.
      • Upon application approval:
        • Exam information will be sent to the applicant.
      • In order to qualify for the Outside Wireman (Lineman) Limited Electrical Installer license an applicant must:
        • Submit documentation of having completed an Electrical Lineman apprenticeship program or similar program approved by the U.S. Department of Labor, Office of Apprenticeship. With this documentation no exam is required at this time.
        • Submit a completed application (included).
        • Pay the $15 (non-refundable) application and the $55 license fee.
      • In order to qualify for the Photovoltaic (Solar) Limited Electrical Installer license an applicant must:
        • Submit notarized documentation of two (2) years (a minimum of 4,000 hrs) of work experience.
        • Submit North American Board of Certified Energy Practitioners (NABCEP) PV Installer Certificate.
        • Submit a completed application (included).
        • Pay the $15 (non-refundable) application fee.
        • Successfully pass the examination.

Please Note: If the applicant does not take the exam within 90 days of approval, he/she must reapply.

Idaho Limited Installer Contractor License

Any person or entity providing or offering to provide specialty electrical contracting services, including, but not limited to, submitting a bid. Must either be or employ at least one (1) full-time Idaho Specialty Electrician of the same category who has held a license for a minimum of two (2) years.

How to get an Idaho Limited Electrical Contractor License

The following information is how to apply for the Limited Electrical Contractor License

      • To qualify for the Limited Electrical Contractor exam as an individual an applicant must:
        • Be or employ an Idaho licensed Limited Electrical Installer in the same category as the Limited Electrical Contractor who has held such license for a minimum of two (2) years.
        • Be the individual to be licensed.
        • Submit a completed application (included)
        • Pay the $15 (non-refundable) application fee.
      • OR
      • To qualify for the Limited Electrical Contractor exam as an entity an applicant must:
        • Be a full-time supervisory employee of the corporation, company, etc. serving as the entity’s representative for examination purposes.
        • Employ an Idaho licensed Limited Electrical Installer in the same category as the Limited Electrical Contractor who has held such license for a minimum of two (2) years, who is available during working hours to supervise all electrical work conducted.
        • Submit a completed application (included).
        • Pay the $15 (non-refundable) application fee.
      • Upon application approval:
        • Exam information will be sent to the applicant.
      • Upon passing the exam an applicant must:
        • Submit proof of $300,000 Liability Insurance and Worker’s Compensation Insurance or statement of exemption for Worker’s Compensation (if applicable).
        • Pay the $125 license fee.

Please Note: If the applicant does not take the exam within 90 days of approval, he/she must reapply.

More information can be found in the Frequently Asked Questions


Contact Information

  • 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 HVAC 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 one of the following payment methods:
    • MasterCard, Visa, Discover, American Express (3% non-refundable fee if paying by credit/debit card)
    • Check or Cash (Exam will be scheduled when payment is received at a DBS location)
  • Examinees must know and understand the standards listed in this bulletin. By scheduling, you agree to adhere to these standards.
  • 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.

Idaho HVAC Licenses

For more information on a specfic on a license, plese click on the license.

More information can be found in the Frequently Asked Questions


Contact information

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.

      • 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 one of the following payment methods:
        • MasterCard, Visa, Discover, American Express (3% non-refundable fee if paying by credit/debit card)
        • Check or Cash (Exam will be scheduled when payment is received at a DBS location)
      • Examinees must know and understand the standards listed in this bulletin. By scheduling, you agree to adhere to these standards.
      • 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 to 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:
        • d. Appliance plumbing specialty journeymen 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.
        • e. Appliance plumbing specialty apprentices must 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

Water Pump Specialty Contractor

Water Pump Specialty Application

              • In order to qualify for the Water Pump Specialty Journeyman exam an applicant must:
                • d. Water pump specialty journeymen 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.
                • e. Water pump plumbing specialty apprentices must 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 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.

More information can be found in the Frequently Asked Questions


Public Works Information

The Idaho Public Works Statutes and Rules, as well as the Division of Building Safety Contractor's Business and Law Reference Manual, provide study details for Class Unlimited, AAA, AA, A, B, CC, or C. You must complete the License Examination Information form and submit it with your application if you are applying for a Class Unlimited, AAA, AA, A, B, CC, or C license. Your application will be approved after it has been accepted. The Division of Building Safety will send you an email to schedule your test. Class D research details is still included with the applications that are mailed out. The Idaho Public Works Statutes and Rules make up this section. If you're applying for a Class D license, you'll need to complete and submit the Class D test that comes with the application.

General Testing Information

This sheet is to provide you with information on how to schedule and take your license exam.

Prior to scheduling a test, you must first contact the Division of Building Safety and complete an application and pay fees. You can access an application online at: https://dbs.idaho.gov/forms-applications/

                • All applications must be submitted to the:
                  • Division of Building Safety
                  • Public Works Contractor Licensing
                  • 1090 E Watertower Street, Ste 150
                  • Meridian, ID 83642

More information can be found in the Frequently Asked Questions

How to apply for Manufactured Housing (RETAILER OR INSTALLER) License

The following information is how to apply for the Examination as a Manufactured Housing (RETAILER OR INSTALLER)

Once you have been approved for an exam, you will have six (6) months to schedule and take the exam. You will need to contact the Division of Building Safety at least two (2) days prior to the date you would like to test. Exams are given for Retailer and Installer. Once you have been approved, you will receive a letter that gives you a breakdown of the exam you are approved to take.

The Division of Building Safety requires a passing score of at least 70% (percent) on the appropriate examination prior to issuance of an original license as a retailer or installer. The cost of the exam is $75.00. The person taking the examination must be the person who will assume responsibility on behalf of the company and will be responsible for ensuring that the company complies with all applicable statutes. Applicants must be 18 years or older.

      • Installer: Installs a manufactured home or mobile home on-site where it is to be occupied
      • Retailer: Sells or exchanges new, used, resale, or brokered manufactured or mobile homes
      • Additional requirements for licensure retailer:
        • Retailers of new manufactured homes must provide proof of being an authorized franchise dealer for the make home they intend to sell.
        • Retailers: An original bond in the amount of $40,000.00.
        • Applicants may have to provide proof that they have a principle place of business.
        • Please provide a copy of Secretary of State filing if a business entity.
      • Additional requirements for licensure as an installer:
        • Applicants are required to complete an online course before examination. For information on our course, please call 1-800-955-3044.
        • Applicants may have to provide proof that they have a principle place of business.
        • An original bond in the amount of $5,000.00.
        • Please provide a copy of Secretary of State filing if a business entity.

PUBLIC RECORDS NOTICE – Business information such as your company address and phone number is regarded as public information according to the Idaho Public Records Act. Your business address and phone number may be provided to a third party upon written request.

How to apply for Modular Building License

The following information is how to apply for the Modular Building License