TL;DR
- Idaho registers general contractors. It does not license them. There is no trade exam, no experience requirement, and no education prerequisite to become a registered contractor in this state.
- Registration proves three things: the contractor carries at least $300,000 in general liability insurance, has workers' comp (or a filed reason they don't need it), and hasn't had a registration revoked elsewhere. That's the whole list.
- Anyone doing construction work over $2,000 in Idaho, labor and materials combined, has to be registered. The exemptions are narrow.
- Electricians, plumbers, and HVAC installers are separately licensed, with real exams. So "licensed" is a meaningful word for those trades and a loose one for general contractors.
- You can verify any Idaho contractor free, in about ten minutes, at DOPL's public search.
- An unregistered contractor can't pull permits, can't lien your property, and can't sue you for payment. That sounds like protection. Mostly it means you've hired someone with nothing to lose.
- Idaho law also gives you specific rights before you sign, including the right to demand proof of insurance and lien waivers. Most homeowners never use them.
- Our number is RCE-65510. Look it up. That's the whole point of this article.
If you've called around for a builder in the Magic Valley, you've heard both words used like they mean the same thing. "Licensed and insured." "Fully licensed." "Licensed contractor."
In Idaho, for a general contractor, that word is doing work it hasn't earned. Here's what's actually true, why the distinction matters to you specifically, and how to check any builder yourself before you hand anyone a deposit.
So is my contractor licensed or not?
Almost certainly not, and that isn't an accusation. It's just how Idaho works.
The 58th Idaho Legislature passed the Idaho Contractor Registration Act, and as of January 1, 2006, contractors in this state have been required to register. The state is explicit about it: the Act requires registration, not licensure. There is no such thing as a licensed general contractor in Idaho, in the way most people picture one.
So when a builder tells you he's "licensed," one of three things is happening. He's using the word loosely because it's what customers expect to hear. He's holding a genuine specialty trade license in electrical, plumbing, or HVAC, which is a real license and worth knowing about. Or he's holding a public works contractor license, which is a separate exam-based credential for bidding on publicly funded projects and has nothing to do with your kitchen.
Most of the time it's the first one. I don't think most builders who say it are trying to con anybody. But when a word gets used loosely for twenty years, it stops carrying information, and you're the one making a six-figure decision based on it.
What does registration actually prove?
Less than you'd hope, which is exactly why you should know what it covers.
To register in Idaho, a contractor has to provide their tax ID, the business name and address, and the name of every principal or owner with a stake in the business. They have to show a certificate proving general liability insurance, including products and completed operations, of not less than $300,000 single limit. They have to show workers' compensation coverage, or file a statement explaining why it isn't required, usually because there are no employees. And they have to state that neither they nor any owner has ever had a contractor's license or registration denied or revoked in any state, or explain it if they have.
Then the Idaho Board of Contractors approves it. That board is five people appointed by the Governor: four contractors and one member of the public.
Here's the part nobody says out loud. There is no exam. No experience requirement. No education prerequisite. Nothing in that list measures whether the person can build anything. Someone who has never framed a wall can be a registered Idaho contractor in a few weeks with an insurance certificate and a fee.
So registration is a floor, not a ceiling. It tells you someone is insured, findable, and accountable to a state board. It does not tell you they're good. Anyone who waves an RCE number at you as proof of craftsmanship is overselling it, and that includes me. Treat the number as your starting point for checking, not the end of the conversation.
Then which trades are actually licensed?
These, and the distinction matters.
Electricians, plumbers, and HVAC installers are licensed through their own DOPL programs at apprentice, journeyman, and contractor levels, and those licenses require passing exams and documented hours. When they're working inside the scope of that license, they're exempt from general contractor registration.
Public works contractors hold a separate license under a different chapter of Idaho code, for publicly funded work, with financial statements, references, and a proctored exam.
So if someone's rewiring your house or repiping a bathroom, "licensed" is a real question with a real answer, and you should ask it. If someone's building your addition, the right question is whether they're registered, and then everything else on this page.
Who has to be registered?
Anyone taking on a construction job over $2,000, counting materials and labor together. That's one of the lowest thresholds in the country, and it means essentially any real project at your house is covered.
The exemptions are narrow, and worth knowing so you can spot a bad excuse:
- Employees of a contractor, paid in wages, don't register individually.
- Suppliers who deliver materials but don't install or fabricate them are exempt.
- Owners doing their own work on their own land are exempt, as long as they don't intend to sell within 12 months.
- Commercial building owners maintaining their own buildings with their own crews are exempt.
- Licensed trades including electricians, plumbers, HVAC installers, architects, engineers, and surveyors are exempt while working within the scope of their license, but must register if they go beyond it.
If someone tells you they don't need to be registered and they don't fit one of those, that's your answer.
What happens if I hire someone who isn't registered?
This is where it stops being paperwork and starts being your money.
An unregistered contractor cannot obtain a building permit. So either your project goes unpermitted, which surfaces later at resale, during an insurance claim, or when a buyer's inspector finds it, or the project stalls.
They waive any right to a lien on your property, and they lose the right to sue to collect under a contract they should have been registered for. Doing contracting work without registration is also a misdemeanor, punishable by a fine of up to $1,000, up to six months in county jail, or both.
Read those two middle ones carefully, because homeowners get this backwards. No lien rights and no right to sue sounds like protection for you. In practice it means you've hired someone the state has no leverage over and who has nothing to lose. They can't come after you, and you have no board to complain to, no insurance behind the work, and no meaningful recourse when the job goes sideways. Whatever you save on the front end, you're buying it with the entire back end.
One more, because it catches general contractors too. If there are subs on your job, the contractor is required to obtain satisfactory proof that everyone he engages is registered. Failing to do that violates the Act and can cost him his own lien rights. So it's fair to ask your builder how he verifies his subs. A good one will have an answer ready.
How do I verify a contractor myself?
Ten minutes, free, no account needed. Here's the whole thing.
1. Get the number. Ask for the RCE number directly. Any registered contractor must prominently display it at their place of business, on jobsites, and on advertising, contracts, building permits, letterheads, purchase orders, and subcontracts, within 60 days of registering. If it's on the truck, the website, and the estimate, that's a good sign on its own. If asking for it produces friction, you've already learned something.
2. Search the state database. Go to DOPL's public search. You can search by registration number, business name, or individual name. Try ours: RCE-65510, Brian Bolton Construction LLC.
3. Check that the name matches the contract. This is the step people skip. The name on the registration should match the entity that's going to sign your contract and cash your check. If the truck says one thing, the registration says another, and the contract says a third, ask why before you sign. There are legitimate reasons, like a DBA or a name change, and there are bad ones.
4. Check the status and the expiration. You want active, not expired or lapsed. A note on dates: the Contractors Board began transitioning to a two-year renewal cycle in October 2025, so expiration dates are shifting around right now. Don't panic at an unfamiliar date. Just confirm it says active.
5. Check for disciplinary action. That same public search is where formal actions against registered contractors show up. Registration can be revoked for violating the Act, for violating Idaho's Consumer Protection Act, which includes making misleading statements, or for conduct amounting to dishonest or dishonorable dealings.
6. Verify the specialty trades separately. If an electrician, plumber, or HVAC contractor is doing licensed work on your project, look them up under their own program. Different credential, same portal.
7. Ask for the certificate of insurance, and read the date. Registration required proof of insurance at the time of registration. It does not prove coverage is in force today. Ask for a current certificate. Better yet, ask the insurer to send it to you directly. You are entitled to this, which brings us to the part almost nobody uses.
What rights do I have before I sign?
This is my favorite thing on this page, because I've never had a homeowner bring it up first.
Idaho law requires a general contractor to give you a written disclosure statement before entering into a contract over $2,000 with you for residential work, and to get a signed receipt for it. That disclosure has to tell you, in writing, that you have the right to:
- Require the general contractor to obtain lien waivers from subcontractors and suppliers, at your reasonable expense;
- Receive proof of general liability insurance and workers' compensation from the general contractor;
- Purchase an extended policy of title insurance covering certain unfiled or unrecorded liens;
- Require a surety bond, at your expense, in an amount up to the value of the project.
There's a second disclosure due before you make final payment: a signed statement listing the business name, address, and phone number of every subcontractor, materialman, and rental equipment provider with a direct contract with your builder who supplied more than $500 of work or materials. Those parties are authorized to tell you what they're still owed.
Failing to provide these disclosures is an unlawful and deceptive practice under the Idaho Consumer Protection Act, and the Board can discipline a registered contractor for it.
So if you take one practical thing from this article, take this: ask whether you'll be getting the required disclosure statement. A builder who knows exactly what you're talking about is a builder who runs a real business. A builder who's never heard of it is telling you something about how many corners exist that you haven't found yet.
(I'm a builder, not an attorney, so this is the plain-English version. If real money or a dispute is on the line, talk to an Idaho construction attorney.)
So what should I actually be judging a builder on?
Registration gets someone onto the list. It doesn't rank them. Once you've verified, the questions that separate builders are the ordinary ones. Can I see work you finished two years ago, not two months ago? Who's actually on my jobsite, and who's responsible for what? How do you handle it when you open a wall and find something nobody planned for? Will you give me an itemized number I can read line by line, or a round figure and a handshake?
Those answers are where the real differences live. The RCE number just tells you the conversation is worth having.
Get a builder you can verify, and a number you can read
We're a registered Idaho contractor, RCE-65510, insured and warrantied, building custom homes, remodels, and additions across Twin Falls and the Magic Valley. We'll hand you that number before you ask for it, because being easy to check isn't a favor here. It's the whole point.
Tell us what you're planning. We'll walk your site, talk honestly about budget and timeline, and give you a real, itemized estimate with the reasoning behind every line.
Request a consultation → or call (208) 731-1729
Frequently asked questions
Is a "registered" contractor as good as a "licensed" one? In Idaho the comparison doesn't apply the way people think. Idaho doesn't license general contractors at all, so registration is the highest general-contractor credential the state issues. What matters is that you understand what registration proves, which is insurance, accountability, and a clean regulatory record, and that you judge craftsmanship separately through references and finished work.
Does registration mean the contractor passed a test? No. Idaho contractor registration requires no exam, no experience documentation, and no education. It's an insurance-and-disclosure requirement, not a competency screen.
How much insurance is a registered Idaho contractor required to carry? At minimum, a general liability policy including products and completed operations of not less than $300,000 single limit, plus workers' compensation if they have employees. Registration proves that coverage existed when they registered, so always ask for a current certificate before work starts.
What's an RCE number? It's the registration number the Idaho Contractors Board issues to a registered contractor. Ours is RCE-65510. Contractors are required to display their number on advertising, contracts, permits, letterheads, purchase orders, and at jobsites within 60 days of registering.
Where do I check an Idaho contractor's registration? DOPL's public search, at edopl.idaho.gov. It's free, and you can search by number, business name, or individual name. Formal disciplinary actions appear there too.
Does a small job need a registered contractor? The registration requirement kicks in above $2,000 in combined labor and materials. Below that, registration isn't required, but the same insurance question applies, because an uninsured injury on your property is your problem regardless of the size of the job.
Can I do the work myself without registering? Yes, if it's your own work on your own land and you don't intend to sell the property within 12 months. You'll still need permits and inspections for the work itself.
What if my contractor turns out not to be registered? They can't legally pull permits, they forfeit lien rights, and they lose the right to sue you for payment. Contracting without registration is also a misdemeanor carrying up to a $1,000 fine, six months in jail, or both. You can file a complaint with DOPL, which investigates and can take formal action. In practical terms, stop before more money changes hands.
Do I need to check the subcontractors too? Your general contractor is required to obtain satisfactory proof that everyone he engages on the job is registered, and he risks his own lien rights if he doesn't. You don't have to check each one yourself, but asking how he verifies subs is a fair and revealing question.
How do I file a complaint against an Idaho contractor? Through DOPL's online services portal, or by calling the Division at (208) 334-3233. Complaints can lead to formal action, including revocation, for violations of the Act, the Idaho Consumer Protection Act, or dishonest dealings.
Sources: Idaho Division of Occupational and Professional Licenses, Idaho Contractors Board; Idaho Contractor Registration Act (Idaho Code Title 54, Chapter 52); Idaho Code § 45-525. Verified August 2026. Fees and renewal cycles change, so confirm current details with DOPL.
Related: How to Choose a Builder in Idaho · About Bolton Built · Our Guarantee