How to Verify a Contractor License Before You Hire

Learning how to verify a contractor license takes about ten minutes and saves you from one of the most expensive mistakes in hiring: paying an unlicensed, underinsured, or wrongly-classified contractor. The core move is simple: find the state licensing board's official lookup, search by license number or business name, and confirm the record shows an active status for the right type of work. Then check that insurance and bond coverage are current, and set a reminder to recheck before the next phase of work begins.

This guide walks through each step, shows what a clean record looks like, and flags the red flags that should stop a hire. It pairs with our contractor onboarding verification checklist, which covers the other six checks that sit next to license verification, including insurance, bond, and identity.

Last reviewed October 2, 2026. This is an operational framework, not legal advice. Licensing rules vary by state and trade; confirm requirements with the issuing board or counsel before you sign.

Where do you look up a contractor license?

Every state has its own licensing board and its own online lookup. There is no national registry, so the lookup always starts with the state where the work happens. Search for "[state] contractor license lookup" and look for a .gov verification portal: those are run by the board itself and carry the authoritative record.

A few of the boards you will encounter most often:

• California: the Contractors State License Board (CSLB), whose "Check a License" tool searches by license number, name, or business name.
• Florida: the Department of Business and Professional Regulation (DBPR), which distinguishes certified contractors (statewide) from registered contractors (local).
• Texas: the Texas Department of Licensing and Regulation (TDLR), covering electrical and other regulated trades.
• Oregon: the Construction Contractors Board (CCB), whose lookup confirms the "licensed, bonded, insured" trio.
• Virginia: the Department of Professional and Occupational Regulation (DPOR), with Class A, B, and C license tiers.
• Washington: the Department of Labor & Industries (L&I), which runs a contractor registration search.

State lookup portals vary in freshness and search quality, so many compliance teams also use aggregated lookups that pull from the same official records. StateLicense offers a free public license lookup covering CA, FL, TX, OR, VA, WA, and NYC; each record links back to the issuing board so you can confirm the record at the source. Our deeper guides cover the California CSLB lookup and Florida DBPR lookup in detail.

What does an active license record actually show?

A clean record has five parts. Check all five before you move to the next step.

1. Status: active. This is the headline field. Anything else, expired, suspended, revoked, inactive, means the contractor cannot legally perform the work. Expiration dates should be in the future.
2. The right classification. A general building license is not an electrical license. One of the most common misdirections in the trade is a contractor bidding work under a license issued for a completely different classification, so match the classification to the scope you are hiring for.
3. Bond and insurance on file. Most boards show whether a license bond and workers' compensation coverage are current. A lapsed bond or a missing comp exemption can suspend an otherwise active license.
4. The named entity. The business name on the license should match the business name on the contract. A license held by one LLC does not cover work billed by another.
5. Disciplinary history. Boards publish complaints, citations, and suspensions. A record can be technically active while carrying a recent suspension or a pattern of complaints; that is still information you want before signing.

If the board's record is thin or hard to search, write down the license number and call the board. The number on the card or the bid is only a claim until the board confirms it.

Which red flags should stop a hire?

Run the lookup before the bid meeting, not after you have already chosen a contractor. Walk away, or at least pause, when you see any of these:

• No license number offered. Any hesitation to share a license number is itself the answer. A licensed contractor treats the number as advertising, not a secret.
• The license number belongs to someone else. Borrowing or renting a license number is one of the oldest frauds in the trade. Match the number to the name on the bid.
• Status is anything but active. Expired and suspended look the same on a business card. They are very different on a board record.
• Classification mismatch. A licensed concrete contractor who bids your electrical panel replacement is unlicensed for that job, full stop.
• Recent disciplinary actions. One old complaint with a clean resolution is context. A recent suspension or a string of citations is a pattern.
• The number does not show up at all. If the board has no record, the contractor is not licensed. Third-party directories that claim otherwise are not authoritative; the board is.

Hiring a contractor whose license is expired, suspended, or missing can void permits, invalidate insurance, and leave you without legal recourse when the work goes wrong. That is why the lookup belongs before the signature, every time.

What if the contractor is licensed in another state?

They still need a current, active license in the state where the work happens. Some states have reciprocity agreements, but reciprocity only waives part of the application process, usually the exam. The contractor still has to apply, pay, and be approved for a license in your state before starting work. Treat an out-of-state license as a credential, not as permission.

Do you need to recheck a license after the first lookup?

Yes. Licenses expire, bonds lapse, insurance cancels, and boards issue suspensions mid-project. A one-time check at signing leaves you blind for the rest of the job. Our guide on how often to recheck a contractor license recommends re-verifying at every major milestone: contract signing, each draw or payment release, and at least annually for ongoing relationships. Continuous monitoring turns a point-in-time check into a standing control.

Frequently asked questions

What information do I need to look up a contractor license? The license number is ideal, but the business name or the contractor's full name usually works. You do not need an account, and board lookups are free.

What is the difference between licensed and insured? A license proves the contractor is legally authorized to perform the work. Insurance protects you financially if something goes wrong. General liability covers property damage the contractor causes; workers' compensation covers worker injuries. You need to verify both, and our workers' comp verification guide explains the coverage checks in detail.

Can a contractor work under someone else's license? No. Licenses are issued to a specific person or business entity. "Working under" another contractor's license is a classic setup for fraud and liability problems.

Should I hire a general contractor or a specialist? For projects spanning multiple trades, a licensed general contractor coordinates the subs. For trade-specific work like electrical or roofing, hire the licensed specialist. Either way, verify the classification matches the work.

What do I do if I cannot find a contractor on the board's site? Treat the absence as the answer: no record means no license. Ask the contractor for the exact number and spelling of the licensed name and try again; if it still does not resolve, do not hire them.

Practical takeaway: the ten-minute verification checklist

1. Find the board for the state where the work happens; use the .gov lookup or a free aggregated lookup that links to the board.
2. Search by license number first, by business name second.
3. Confirm the status is active and the expiration date is in the future.
4. Match the classification to the scope of your project.
5. Confirm the named entity matches the contract.
6. Check bond and workers' comp coverage are current on the record.
7. Read the disciplinary history for suspensions and complaint patterns.
8. For multi-trade projects, verify each specialty contractor separately.
9. Save the record; re-verify at each payment milestone and annually thereafter.

Ten minutes of lookup beats months of disputes. Make the license check the first step of every hire, not the last one before signing.