Idaho Contractor Licenses: Updated Requirements Guide
Idaho regulates most construction trades at the state level through the Idaho Division of Occupational and Professional Licenses (DOPL) and trade-specific boards. Electricians, plumbers, HVAC professionals, and general contractors follow clear pathways that progress from apprentice to journeyman and, in some cases, to master or contractor status. Understanding which board regulates your trade and the exact steps to qualify will help you avoid delays.
We highlight several representative licenses and authorities for Idaho below; this guide is updated periodically as additional details are clarified or requested by readers. Expect to document experience and schooling, pass any required examinations, and maintain insurance or bonding where applicable. Statewide online services streamline many applications and renewals, and official board pages provide the most current forms and instructions.
Whether you work in Boise, Meridian, Nampa, Idaho Falls, or Pocatello, you will generally apply to the same state boards and follow the same rules. Local building departments still enforce permits and code on projects, but trade licensure and contractor registration are administered centrally by DOPL.
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Overview of Idaho Contractor Licensing
The Idaho Division of Occupational and Professional Licenses (DOPL) is the statewide authority for trade licensure and contractor registration. Under DOPL, the Idaho Electrical Board, Idaho Plumbing Board, and the Idaho HVAC program oversee their respective trades from apprentice registration through journeyman and contractor levels. The Idaho Contractors Board administers contractor registration for general building and related activities.
Licensing pathways typically require a combination of documented work experience, formal schooling or apprenticeship, and passage of trade examinations where applicable. Contractor-level credentials often include insurance and, for HVAC contractors, a surety bond requirement. Renewals are handled on set cycles—annually for electrical contractors and typically every three years for many journeyman/master/HVAC licenses—with continuing education required in some trades.
DOPL provides centralized applications, guidance, and contact support. Applicants should use the trade-specific pages for the latest forms, fee schedules, and exam instructions, then keep insurance, bonding, and continuing education current to maintain active status.
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Electrician Licenses in Idaho
Idaho regulates electrical work with 4 license types.
Apprentice Electrician
Regulating Authority: Idaho Electrical Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/ele/)
Requirements
- Register as an electrical apprentice with the Idaho Electrical Board.
- Be employed and supervised by a licensed journeyman or master electrician.
- Participate in an approved electrical apprenticeship training program to progress toward journeyman.
Exam
No state exam is required for initial apprentice registration. A state journeyman exam applies later in the pathway.
Fees
- License fee: $15
- Renewal fee: $15
- Reinstatement fee: $15
- Term: 1 year
Insurance
No separate insurance is required for apprentices; obligations rest with the employing contractor.
Renewal
Renew annually and maintain active registration while accruing on‑the‑job and classroom training time.
Source: DOPL – Electrical Board
Journeyman Electrician
Regulating Authority: Idaho Electrical Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/ele/)
Requirements
- EITHER: 8,000 hours of supervised electrical work experience plus 4 years of approved schooling.
- OR: 16,000 hours of supervised electrical work experience while registered as an apprentice (experience‑only pathway).
Exam
A state journeyman exam is required and covers the National Electrical Code (NEC), Idaho electrical laws and rules, installation practices, and safety. Training sources commonly cite a 70% passing score and open‑book format using NEC and Idaho code references. Confirm current exam provider and scheduling instructions with the Electrical Board.
Fees
- Application fee: $15
- License fee: $55
- Renewal fee: $45
- Reinstatement (revival) fee: $55
- License term: 3 years
Insurance
No separate insurance is required at the journeyman level; insurance requirements apply to contractors.
Renewal
Renew every 3 years. Training sources indicate 24 hours of continuing education per cycle, with at least 8 hours on the NEC.
Source: DOPL – Electrical Board
Master Electrician
Regulating Authority: Idaho Electrical Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/ele/)
Requirements
- Hold an active Idaho journeyman electrician license for at least 4 years.
Exam
The master exam evaluates advanced NEC application, complex electrical calculations, design and supervision responsibilities, and Idaho electrical laws and rules. Training sources typically cite a passing score around 70%. Confirm current exam provider, references allowed, and scheduling with the Electrical Board.
Fees
- Application fee: $15
- License fee: $65
- Renewal fee: $45
- Reinstatement (revival) fee: $55
- License term: 3 years
Insurance
No separate insurance is required for a standalone master license; masters operating as contractors must meet contractor‑level insurance rules.
Renewal
Renew every 3 years and complete required continuing education, emphasizing NEC updates and Idaho code changes.
Source: DOPL – Electrical Board
Electrical Contractor
Regulating Authority: Idaho Electrical Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/ele/)
Requirements
- Be a licensed Idaho master electrician OR employ at least one Idaho‑licensed master electrician as the full‑time supervisory individual.
- Meet any business and supervisory standards required by the Electrical Board.
Exam
A contractor exam is required and focuses on electrical contracting business practices, Idaho laws and rules, code compliance, and supervision. Training sources and secondary guides cite a 70% passing score. Confirm current exam provider and scheduling steps with the Board.
Fees
- Application fee: $15
- License fee: $125
- Annual renewal fee: $100
- Reinstatement fee: $125
- Exam fee: approximately $100 (secondary sources)
Insurance
Provide general liability insurance of at least $300,000 and maintain workers’ compensation coverage where applicable. Proof is required before issuance and at renewal.
Renewal
Renew annually. Maintain required insurance and update the Electrical Board promptly if the supervisory master changes.
Source: DOPL – Electrical Board
Plumbing Licenses in Idaho
Idaho regulates plumbing work with 3 license types.
Plumbing Apprentice Registration
Regulating Authority: Idaho Plumbing Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/plb/)
Requirements
- Register with DOPL as a plumbing apprentice.
- Work in the trade under a licensed plumbing contractor and journeyman plumber.
- Enroll in an approved four‑year apprenticeship program and complete required classroom hours (commonly referenced by training programs as at least 144 classroom hours per year).
Exam
No state exam is required for initial apprentice registration. The journeyman exam applies later in the pathway.
Fees
Registration requires a notarized application and payment of a registration fee. Specific dollar amounts were not listed on the available plumbing pages.
Insurance
No individual insurance is required for apprentices; insurance responsibilities rest with the employing contractor.
Renewal
Keep the apprentice registration active throughout the program. Many programs run approximately four years.
Contact the Idaho Plumbing Board to confirm current fee amounts, documentation, and renewal specifics before applying.
Source: DOPL – Plumbing Licensing
Journeyman Plumber
Regulating Authority: Idaho Plumbing Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/plb/)
Requirements
- EITHER: 8,000 hours of plumbing work experience plus 4 years of approved schooling.
- OR: 16,000 hours of plumbing work experience while registered as an apprentice.
Exam
The journeyman exam is the IAPMO plumbing exam administered through PSI. After DOPL approves your application, schedule with PSI and pass the examination to qualify for licensure.
Fees
Expect an application fee, PSI examination fee, and license fee. Exact dollar amounts were not provided on the plumbing licensing page excerpt.
Insurance
No separate insurance is required for journeymen; contractor‑level insurance applies to plumbing businesses.
Renewal
Journeyman licenses are issued for a multi‑year term. Renewal requires staying active and meeting any DOPL updates or continuing education requirements the Board may set.
Contact the Idaho Plumbing Board to confirm current fee amounts, continuing education, and renewal timelines before applying.
Source: DOPL – Plumbing Licensing
Plumbing Contractor
Regulating Authority: Idaho Plumbing Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov/plb/)
Requirements
- Employ appropriately licensed journeyman plumbers and meet supervisory or experience criteria set by the Plumbing Board.
- Hold or employ required underlying journeyman/master‑level licenses and satisfy any business‑related standards established by DOPL.
Exam
No separate contractor‑specific exam was identified in the available official sources. Contractor qualification is tied primarily to underlying journeyman licensure and compliance with Board rules.
Fees
Application and license fees apply; detailed amounts were not visible in the available plumbing licensing pages.
Insurance
Plumbing contractors are expected to maintain liability insurance and workers’ compensation coverage as required by Idaho law and DOPL.
Renewal
Renew periodically and maintain insurance and proper supervision arrangements.
Contact the Idaho Plumbing Board to confirm current fee amounts, insurance minimums, and renewal cycles before applying.
Source: DOPL – Plumbing Board
HVAC Licenses in Idaho
Idaho regulates HVAC contractors with 3 license types.
HVAC Apprentice Registration
Regulating Authority: Idaho HVAC Board/Program – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov)
Requirements
- Register as an HVAC apprentice with the state before installing, maintaining, or operating HVAC system components.
- Work under the supervision of a licensed HVAC journeyman or contractor.
- Participate in a structured HVAC training program combining classroom instruction with on‑the‑job training.
Exam
No state exam is required for initial apprentice registration. Examinations apply at the journeyman and contractor levels.
Fees
Apprentice registration fee: $50 (reported by secondary licensing guides).
Insurance
No individual insurance is required for apprentices; coverage is carried by employers/contractors.
Renewal
Renew within the period established by the HVAC program; late renewal fees may apply if the registration lapses.
Confirm current fees and renewal timing with DOPL’s HVAC program before applying.
Source: Secondary HVAC licensing guide citing Idaho requirements
HVAC Journeyman
Regulating Authority: Idaho HVAC Board/Program – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov)
Requirements
- Unrestricted journeyman licensure typically requires 8,000 hours (~4 years) of HVAC work experience and about 576 hours of classroom instruction (per training sources).
Exam
A state journeyman exam is required, covering installation, maintenance, fuel gas systems, ventilation, and Idaho HVAC laws and rules. A third‑party vendor administers the exam per training sites; confirm the current provider and registration steps with DOPL.
Fees
- Application fee: $35
- License renewal fee: $75
- Late renewal fee: $110
- Exam fee: around $100 (secondary sources)
Insurance
No individual insurance requirement is specified for journeymen; contractor‑level insurance applies to businesses.
Renewal
License term is 3 years. Renew on time to avoid late fees.
Verify current exam provider, approved references, and fees with DOPL before applying.
HVAC Contractor
Regulating Authority: Idaho HVAC Board/Program – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov)
Requirements
- Provide proof of at least two years of licensed HVAC journeyman experience before qualifying as a contractor (per secondary licensing guides).
- Meet supervisory and business standards established by DOPL.
Exam
An HVAC contractor exam is required and focuses on system design, code compliance, fuel gas and mechanical systems, and business practices. Confirm the current exam provider, format, and references with DOPL.
Fees
- Application fee: $35 (secondary source)
- License fee: $225 (per DOPL HVAC contractor application)
Bond and Insurance
- HVAC contractor surety bond: $2,000 (required).
- Maintain liability insurance and workers’ compensation as required by Idaho law and DOPL.
Renewal
Licenses are issued for a 3‑year term. Renewal fee is cited as $75 with a $110 late fee in secondary sources; verify current amounts with DOPL.
General Contractor Licenses in Idaho
Idaho general contractor licensing includes 1 type.
Idaho Contractor License (Contractor Registration)
Regulating Authority: Idaho Contractors Board – Idaho Division of Occupational and Professional Licenses (https://dopl.idaho.gov)
Scope
Statewide contractor registration covers those engaged in construction contracting activities in Idaho. Registration is administered by the Idaho Contractors Board under DOPL.
Requirements
- Qualify for registration under Idaho law by demonstrating engagement in construction contracting.
- Meet any minimum business or experience standards established by the Idaho Contractors Board.
Exam
No trade or business-and-law exam requirement is identified for general contractor registration based on available guidance.
Fees
Contractor registration requires filing an application and paying associated fees. Detailed dollar amounts were not provided in the available sources.
Insurance
Maintain liability insurance and workers’ compensation coverage as applicable under Idaho law and DOPL rules.
Renewal
Registrations must be renewed periodically. Keep insurance current and remain in good standing with the Board.
Contact the Idaho Contractors Board (via DOPL) to confirm current fees, insurance minimums, and renewal cadence before applying.
Roofing Licenses in Idaho
A separate, roofing‑only state license is not listed in the data provided. Most roofing work is performed under statewide contractor registration and, when applicable, under the oversight of trade‑licensed subcontractors for electrical, plumbing, or HVAC portions of a project. Always confirm whether your roofing scope requires only contractor registration or additional credentials with DOPL, and coordinate permits with the local building department where the project is located.
For authoritative guidance on roofing scope, documentation, and permitting, start with DOPL’s main portal: https://dopl.idaho.gov.
Specialty Trade Licenses in Idaho
Specialty trades may be regulated through the electrical, plumbing, or HVAC boards when work falls within those scopes, or through separate state programs when the specialty is outside those trades. If your work involves systems like fuel gas, mechanical ventilation, or electrical controls, verify whether an HVAC or electrical credential is required. For water, drainage, or gas piping within structures, confirm whether plumbing licensure applies.
When your specialty is not clearly covered under the three core trades or general contractor registration, contact DOPL for direction to the correct program and application forms:
- Idaho Division of Occupational and Professional Licenses: https://dopl.idaho.gov
- Phone: 208-334-3950
Application Process
- Determine the appropriate trade and license level (apprentice, journeyman, master, contractor) for electrical, plumbing, HVAC, or general contracting through the relevant Idaho board.
- Meet experience and education requirements for the chosen license level, such as completing an approved apprenticeship and accumulating the required on‑the‑job hours.
- Submit a completed application to the Idaho Division of Occupational and Professional Licenses, including any supporting documentation (experience verification, schooling certificates, insurance and bond documents for contractors) and pay the required application fees.
- Obtain board approval for exam eligibility (if an exam is required) and then schedule and pass the trade exam with the designated exam provider (for example, PSI for journeyman plumbing as stated by DOPL).
- After passing the exam and satisfying all requirements, pay the license fee to receive the initial license from DOPL.
- Maintain the license by renewing on schedule, completing any required continuing education (such as journeyman/master electrician CE) and keeping insurance and bond requirements current for contractor licenses.
Timeline: For an initial journeyman or master license, applicants generally complete 3–4 years of apprenticeship and schooling, then apply, test, and receive licensure within several weeks to a few months after board approval and exam completion. Contractor licenses are typically issued after exam (if required), proof of insurance or bond, and fee payment within a similar time frame.
Reciprocity
Idaho has reciprocity with: Montana, Oregon, Utah, Wyoming, Colorado, Maine, Nebraska, New Hampshire, New Mexico, North Dakota, Oklahoma, South Dakota, Texas.
Requirements: Secondary sources indicate Idaho offers reciprocity for journeyman and master electrician licenses with several states. Applicants must hold current licenses in recognized reciprocal states and submit proof of licensure along with Idaho applications; the Idaho Electrical Board reviews reciprocity requests and may waive portions of the exam requirement when equivalent testing has already been completed. Confirm the current list of reciprocal states and criteria with the Electrical Board.
Frequently Asked Questions
How long does it take to get a contractor license in Idaho?
For an initial journeyman or master license, most applicants complete 3–4 years of apprenticeship and schooling, then apply, test, and receive licensure within several weeks to a few months after board approval and exam completion. Contractor registrations are typically issued after any required exam (if applicable), submission of insurance or bond documentation, and payment of fees.
Can I transfer my license from another state to Idaho?
Electrical journeyman and master applicants may qualify under reciprocity with states such as Montana, Oregon, Utah, Wyoming, Colorado, Maine, Nebraska, New Hampshire, New Mexico, North Dakota, Oklahoma, South Dakota, and Texas. Provide proof of your active out‑of‑state license and meet Idaho’s application criteria; the Idaho Electrical Board evaluates eligibility and may waive portions of the exam where equivalent testing has been verified. Always confirm current reciprocity agreements with DOPL before applying.
What happens if I fail the exam?
Retake policies and waiting periods are set by the exam provider and the relevant Idaho board. Review your candidate information bulletin and contact the provider or DOPL for current retest procedures and any limits on attempts.
Do I need insurance?
Yes, at the contractor level. For example, electrical contractors must maintain at least $300,000 in general liability insurance and workers’ compensation where applicable; HVAC contractors must also post a $2,000 surety bond and carry required insurance. Individual journeyman licenses generally do not have separate insurance mandates.
How do I renew my license?
Renewals vary by license type. Electrical journeyman and master licenses renew every 3 years; electrical contractors renew annually. HVAC journeyman and contractor licenses typically renew on a 3‑year cycle, and apprentices renew annually. Check DOPL for exact fees and any continuing education requirements.
What if my city has different requirements than what’s shown here?
Trade licensure and contractor registration are administered at the state level by DOPL, while local building departments handle permits and inspections. Always coordinate project permits and code enforcement with the local jurisdiction where the project is located.
Where can I find practice tests for Idaho exams?
We offer comprehensive PDF practice tests for Idaho contractor license exams. Each resource typically includes 1,500–2,500 code‑focused questions, complete answer keys, and reference locators pointing to exact code sections. Study offline at your own pace; there are no time or use limits. Browse Idaho contractor practice tests.
Idaho · Practice tests
Idaho contractor license practice tests
The Idaho practice tests we publish today: comprehensive PDF guides, typically 1,500 to 2,500 questions each, with full answer keys and reference locators to the exact code sections. We add new tests regularly, so if your license isn’t listed here, contact us and we’ll build it.
- Business, Law, and Project Management (NASCLA) Reference Practice Test
- Installing Hardwood Flooring NOFMA - Reference Practice Test
- National Electrical Code (NEC) 2017 Practice Test
Related Official Resources
Official Sources for Further Details:
-
Idaho Division of Occupational and Professional Licenses – Electrical Board
https://dopl.idaho.gov/ele/
Official Board Site | Accessed: 2026-07-13 -
Idaho Division of Occupational and Professional Licenses – HVAC Contractor Application
https://dopl.idaho.gov/wp-content/uploads/2023/10/HVAC-Contractor-Application_Fillable.pdf
Official Board Site | Accessed: 2026-07-13 -
Idaho Division of Occupational and Professional Licenses – Plumbing Licensing
https://dopl.idaho.gov/plb/plb-licensing/
Official Board Site | Accessed: 2026-07-13 -
Idaho Division of Occupational and Professional Licenses – Trade Licensing Contact Information
https://dopl.idaho.gov
Official Board Site | Accessed: 2026-07-13 -
NASCLA – Idaho Electrical Board Participating State Agency
https://www.nascla.org/electrical-exams-participating-state-agencies/idaho-electrical-board-division-occupational-and
Exam Provider | Accessed: 2026-07-13
Important Disclaimer
Information Currency: This guide reflects licensing information as available in 2026. Licensing requirements are subject to change without notice. Always verify current requirements with official sources.
Official Source: For current information, contact Multiple Authorities – See research notes:
- Website: https://dopl.idaho.gov
- Phone: 208-334-3950
No Legal Advice: This guide provides general information only. Consult with the licensing board or a qualified professional for guidance specific to your situation.