How to Check a Contractor's License in Idaho

Idaho uses a registration system for general contractors rather than a traditional licensing system. Any contractor performing work valued at $2,000 or more (including materials and labor) must register with the Idaho Contractors Board, which operates under the Division of Occupational and Professional Licenses (DOPL). Specialty trades like electrical, plumbing, and HVAC are handled separately through their own licensing programs.

This guide covers how to verify a contractor's registration or license in Idaho, what the different systems cover, and what to look for before you hire.

How does Idaho contractor licensing work?

Idaho splits contractor oversight into two tracks. General contractors, remodelers, and roofers register through the Idaho Contractors Board (administered by DOPL) for projects over $2,000—registration requires proof of $300,000 in general liability insurance and a $50 fee, but no trade exam. Electricians, plumbers, and HVAC technicians are licensed separately through DOPL's specialty trade programs, which do require passing exams.

Idaho splits contractor oversight into two main tracks, and it's important to understand which one applies to the work you need done.

• Contractor registration. General contractors, remodelers, roofers, siding installers, and most builders register through the Idaho Contractors Board. This is the baseline requirement for anyone doing construction, repair, or remodeling work over $2,000.
• Specialty trade licenses.Electricians, plumbers, and HVAC technicians are licensed separately through DOPL's specialty trade programs (formerly under the Division of Building Safety). These trades require passing exams and meeting specific experience requirements. When working within the scope of their trade license, these professionals may be exempt from the general contractor registration requirement.
• Public works contractor licenses.Contractors bidding on publicly funded projects of $50,000 or more need a separate Public Works Contractor License. This involves financial statements, exams, and license classes based on the contractor's net worth and working capital.

For most residential projects, you'll be checking the general contractor registration. For electrical, plumbing, or HVAC work, you'll want to check the specialty trade license instead.

Where do I look up a contractor's license or registration in Idaho?

Go to the DOPL License Search at dopl.idaho.gov/license-search. This single portal covers general contractor registrations, specialty trade licenses, and public works contractor licenses. You can search by name, registration number, or business name, and narrow results by selecting a profession type from the dropdown menu.

Idaho handles all contractor verification through one portal. Head to the DOPL License Search page. This search covers contractor registrations, specialty trade licenses, and public works contractor licenses all in one place.

You can search by name, license or registration number, or business name. If you only have a name from a yard sign or a business card, start with that. The search supports partial name matches, so you don't need the exact legal business name.

You can also narrow results by selecting the profession type from the dropdown. Choose "Contractor" for general registration or select the specific trade (electrical, plumbing, HVAC) if you're checking a specialty license.

What should I look for when reviewing an Idaho contractor's registration?

The most important field is status—you want to see "Active" or "Current." Also confirm the registration or license number matches what the contractor provided (Idaho law requires it on all advertising and contracts), that the expiration date won't fall during your project, and that there are no disciplinary actions or complaints on the record.

Once you find the contractor, click through to view their full record. Here's what to look for:

• Status.This is the most important field. You want to see "Active" or "Current." If it says "Expired," "Revoked," or "Suspended," do not hire that contractor.
• Registration or license number. Confirm this matches what the contractor gave you. Idaho requires contractors to display their registration number on advertising, contracts, building permits, letterheads, purchase orders, and subcontracts.
• Expiration date.Idaho recently transitioned to biennial (every two years) registration for contractors. Make sure the registration won't expire in the middle of your project.
• Business name and address.Verify that the registered business matches who you're actually dealing with. Sometimes contractors operate under a name that doesn't match their registration.
• Disciplinary actions or complaints. Any citations, safety violations, or construction-related complaints may appear on the record.

What does Idaho contractor registration actually cover—and what doesn't it?

Idaho's general contractor registration confirms minimum insurance requirements ($300,000 in general liability) and that the contractor has formally registered with the state. It does not require a trade exam, demonstrated experience, or financial benchmarks. Because the bar is lower than in states with full licensure, verifying insurance directly with the carrier and checking references is especially important.

Idaho's contractor registration is relatively straightforward compared to states with full licensing. Registration requires proof of general liability insurance (minimum $300,000), workers' compensation coverage (or an exemption), identification, and a $50 application fee. There is no exam for general contractor registration.

That's worth understanding. Registration tells you the contractor has met baseline insurance requirements and has formally registered with the state. It does not mean they've passed a trade exam, demonstrated a certain level of experience, or met financial benchmarks. It's a lower bar than what states like California or Nevada require for full licensure.

This makes your own due diligence even more important. Check references, look at past work, and verify insurance directly with the carrier if possible.

How do I check specialty trade licenses in Idaho?

Use the same DOPL License Search at dopl.idaho.gov/license-search, but select the specific trade—electrical, plumbing, or HVAC—from the profession type dropdown. Electrical contractors must employ at least one licensed master electrician. Plumbers are licensed at journeyman and master levels. HVAC technicians require a state license for both installation and repair work.

If your project involves electrical, plumbing, or HVAC work, the contractor needs a specialty trade license, not just a general registration. These licenses are issued through DOPL and require passing an exam and meeting experience requirements.

• Electrical. Electrical contractors must employ at least one licensed master electrician. Journeyman and apprentice electricians also hold individual licenses. You can verify these through the same DOPL License Search by selecting the electrical profession type.
• Plumbing. Plumbers are licensed at the journeyman and master levels. The contractor performing the work should have a valid plumbing license or employ someone who does.
• HVAC. Heating, ventilation, air conditioning, and refrigeration technicians need state licenses. This includes both installation and repair work.

For specialty work, always verify the specific trade license, not just the general contractor registration. A general contractor who subcontracts electrical work should be using a licensed electrician. Ask who will be doing the specialty work and verify their license independently.

Public works contractors

If you're involved with a publicly funded project, the contractor needs a separate Public Works Contractor License from the Public Works Contractors License Board. This applies to any project involving state or local government funds where the estimated cost is $50,000 or more.

Public works licenses come in classes (Unlimited, AAA, AA, A, B, CC, and C) that set the maximum dollar amount a contractor can bid. The class is determined by the company's financial position, including net worth and working capital. Contractors must submit CPA-prepared financial statements and pass an exam. This is a significantly higher bar than general contractor registration.

What should I verify before hiring an Idaho contractor?

Before signing a contract with any Idaho contractor, run the DOPL search yourself to confirm active status, verify the credential type matches the work (registration for general construction, specialty license for electrical/plumbing/HVAC), call the insurance carrier to confirm the $300,000 liability policy is current, confirm workers' comp coverage, and check for any DOPL disciplinary actions. You can also call DOPL at (208) 334-3233.

1. Registration or license is active. Not expired, not suspended, not revoked. Run the search on the DOPL website yourself rather than relying on a number the contractor gives you.
2. The right credential for the work. General construction needs a contractor registration. Electrical, plumbing, and HVAC work need specific trade licenses. Public works need a public works contractor license.
3. Insurance is current. Idaho requires $300,000 in general liability for registered contractors. Ask for a certificate of insurance and verify it with the insurance carrier directly.
4. Workers' compensation coverage.Unless the contractor qualifies for an exemption (typically sole proprietors with no employees), they need workers' comp. If a worker gets hurt on your property and the contractor doesn't carry it, you could be liable.
5. Registration number is displayed.Idaho law requires contractors to show their registration number on all advertising, contracts, and permits. If it's missing, ask why.
6. No serious complaints. Check for any disciplinary actions on the DOPL record. You can also call DOPL directly at (208) 334-3233 to ask about complaints.

Common red flags

• No registration number anywhere. If their website, truck, business card, and contract all lack a registration number, they may not be registered. Idaho requires it on all advertising and contracts.
• Claiming they don't need to register.The $2,000 threshold is low. Most projects that involve hiring a contractor will exceed it. If someone claims they're exempt, ask them to explain why and verify independently.
• A general contractor doing their own electrical or plumbing. Unless they also hold the appropriate specialty trade license, a general contractor should be subcontracting electrical, plumbing, and HVAC work to licensed tradespeople.
• Asking you to pull the building permit.Registered contractors pull their own permits. If someone asks you to get the permit in your name, it may be because they can't get one themselves.
• Quoting the project at exactly $1,999. If a bid comes in suspiciously close to the $2,000 registration threshold, the contractor may be trying to avoid registration requirements.

The bottom line

Idaho's contractor oversight is split between general registration and specialty trade licensing. For most home projects, you'll be verifying a contractor's registration through the DOPL license search. For electrical, plumbing, or HVAC work, check the specialty trade license instead. Both lookups run through the same DOPL portal, which makes the process straightforward.

Because Idaho's general registration doesn't require exams or financial benchmarks the way some states do, it's especially important to do your own homework. Verify the registration, confirm insurance, check for complaints, and look at the contractor's track record. A few minutes of verification can save you from a costly mistake.