Idaho requires state registration for general contractors and roofing contractors. It issues state licenses for electrical contractors, plumbing contractors and HVAC contractors. Use the official lookup below to check a contractor. Information as of October 6, 2026.
Search a contractor registration, and any formal disciplinary actions, in the DOPL Online Services public search. source Registered contractors must show their registration number on advertising, contracts and building permits. source The DOPL public license search covers every DOPL board; an individual search shows license history and discipline details in real time. source
Confirm the record is active and the class matches the job (Contractor registration). The board's own record governs. A registration is required for jobs above Registration required unless the aggregate contract price for labor and materials on one project is less than $2,000. source
Check the bond and insurance on the record against the state minimums: General liability insurance including products and completed operations of at least $300,000 single limit, plus proof of workers compensation insurance or a statement why it is not required. source
File a complaint against a contractor registration through the link on the Contractors Board page. source
Homeowner protections in Idaho
Before a residential contract over $2,000, a general contractor must give the homeowner a disclosure statement and get a signed receipt. source
A homeowner may require, at their own expense, a surety bond up to the value of the project. source
Before final payment, the general contractor must list every subcontractor and supplier who supplied over $500 of work or materials. source
A contractor who works without a required registration gives up any lien on the property. source
Get licensed
For a general contractor working in Idaho.
Register with Division of Occupational and Professional Licenses as a Contractor registration.
Carry general liability insurance including products and completed operations of at least $300,000 single limit, plus proof of workers compensation insurance or a statement why it is not required. source
Pay the contractor registration application and initial fee (individual or business), effective July 1, 2026: $120. source
Registration is moving from annual to biennial renewal, a transition that began October 14, 2025. source
Plumbing: state license, $2,000 bond, $22.50 fee. Requirements
HVAC: state license, $2,000 bond, $35 fee. Requirements
Roofing: state registration, $120 fee. Requirements
Requirements by trade
General contractorSources checked October 6, 2026
Exam
Not found on an official source. On an official source.
Experience
Not found on an official source. On an official source.
Bond
Not found on an official source. On an official source.
Insurance
General liability insurance including products and completed operations of at least $300,000 single limit, plus proof of workers compensation insurance or a statement why it is not required. source
Renewal
Registration is moving from annual to biennial renewal, a transition that began October 14, 2025. source
Reciprocity
Not found on an official source. On an official source.
Fees
$120 (Contractor registration application and initial fee (individual or business), effective July 1, 2026). source
$120 (Biennial renewal fee, effective July 1, 2026). source
$60 (Annual renewal fee for registrations still on the annual cycle, effective July 1, 2026). source
$40 (Reinstatement fee, charged in addition to the renewal fee). source
ElectricalSources checked October 6, 2026
Exam
Electrical contractor applicants must pass an exam designated by the Electrical Board, offered through PSI. source
Experience
Not found on an official source. On an official source.
Bond
Not found on an official source. On an official source.
Insurance
Not found on an official source. On an official source.
Renewal
2 years (Electrical contractor licenses are issued for two years and expire two years from the licensee's birthday). source
Reciprocity
Idaho may grant licenses to electricians licensed in states with equal qualifications under reciprocal agreements; no contractor-level reciprocity was found. source
Plumbing contractor applicants must pass an exam designated by the Plumbing Board. source
Experience
A plumbing contractor must first hold a journeyman certificate, which takes 8,000 hours of apprentice work experience plus 576 hours of board-approved instruction, or 16,000 hours of plumbing experience. source
Bond
Compliance bond of $2,000, kept in effect for the whole certificate period. source
Insurance
Not found on an official source. On an official source.
Renewal
3 years (Plumbing certificates of competency are issued for three year). source
Reciprocity
Not found on an official source. On an official source.
Not found on an official source. On an official source.
Experience
Not found on an official source. On an official source.
Bond
Not found on an official source. On an official source.
Insurance
Roofers register as contractors: general liability insurance including products and completed operations of at least $300,000 single limit, plus proof of workers compensation insurance or a statement why it is not required. source
Renewal
Roofers register as contractors: registration is moving from annual to biennial renewal, a transition that began October 14, 2025. source
Reciprocity
Not found on an official source. On an official source.
Fees
$120 (Contractor registration (applies to roofers): contractor registration application and initial fee (individual or business), effective July 1, 2026). source
$120 (Contractor registration (applies to roofers): biennial renewal fee, effective July 1, 2026). source
$60 (Contractor registration (applies to roofers): annual renewal fee for registrations still on the annual cycle, effective July 1, 2026). source
$40 (Contractor registration (applies to roofers): reinstatement fee, charged in addition to the renewal fee). source
Questions
Does Idaho require a contractor license?
Yes, in most cases Idaho requires a state registration for general contractors. Registration required unless the aggregate contract price for labor and materials on one project is less than $2,000. The Idaho Contractors Board (Division of Occupational and Professional Licenses) issues it as the Contractor registration credential. Registration is not a test of skill.
How do I look up a contractor license in Idaho?
The Idaho Contractors Board (Division of Occupational and Professional Licenses) keeps the record for general contractors in Idaho. Use the official lookup linked in the Look up a license table, and treat the board's own record as final.
How do I look up an electrician license in Idaho?
The Idaho Electrical Board (Division of Occupational and Professional Licenses) keeps the record for electrical contractors in Idaho.
How do I look up a plumbing license in Idaho?
The Idaho State Plumbing Board (Division of Occupational and Professional Licenses) keeps the record for plumbing contractors in Idaho.
Does Idaho have an HVAC license?
The Idaho Heating, Ventilation and Air Conditioning (HVAC) Board (Division of Occupational and Professional Licenses) keeps the record for HVAC contractors in Idaho.
Do roofers need a license in Idaho?
The Idaho Contractors Board (Division of Occupational and Professional Licenses) keeps the record for roofing contractors in Idaho.