How to Verify a Contractor's License Before Hiring

The useful question is not whether a contractor is “licensed” in the abstract. It is whether the public authority for the place and trade shows a current requirement and a route to verify it.

Why license verification matters

In jurisdictions that require a state-level license for a trade, working without that credential can affect insurance recovery, complaint routes, and permit acceptance. The board record is the place those facts live, not a marketing site or a verbal claim.

Step 1: Get the contractor’s license number

Ask for the state license number before a site visit. Legitimate licensed contractors provide it promptly. Hesitation, “I’ll get it later,” or “in process” are reasons to pause until a board record is in hand.

The number should appear on business cards, vehicle signage, written bids, and often the contractor’s own site.

Step 2: Open the state’s official lookup

Use the state directory to open the linked public verification URL for the jurisdiction where the work will happen. Prefer the board’s own tool over third-party aggregators.

• Full licensing boards often expose license type, expiration, bond, insurance flags, and complaint history.
• Registration-style boards may only confirm an active registration.
• No statewide GC flag in this dataset means check city/county registration separately, the state page still lists what we hold.

Step 3: What to check on the board record

License status

Confirm Active/Current. Expired, suspended, or revoked status needs explanation from the board record itself.

License type matches the work

Classifications are trade- and scope-specific. A plumbing credential does not authorize electrical work.

Bond and insurance fields

If the board shows bond or insurance status, treat it as a starting point, request a current Certificate of Insurance naming you when the project warrants it, and verify with the carrier when needed.

Complaint history

Where boards publish complaints, look for patterns and how matters were resolved rather than raw counts alone.

Step 4: Workers’ compensation is often separate

Workers’ compensation filings are frequently outside the contractor-license row. Ask for a current certificate and confirm it with the carrier listed on the form when employees will be on site.

Step 5: Reciprocity / multi-state credentials

Some states participate in reciprocity arrangements (see NASCLA). Confirm with your board whether an out-of-state credential is accepted for the work planned.

When this dataset shows no statewide GC license

15 tracked jurisdictions currently carry a “no statewide general contractor license” flag in this snapshot. In those places, city or county registration, business entity filings, and trade-specific state licenses (electrical, plumbing, HVAC) still matter, open the state page for the links we hold.

Verification checklist (board-first)

• License number captured in writing
• Board lookup opened for the work jurisdiction
• Status Active/Current on the authority record
• Classification covers the planned trade/scope
• Bond/insurance fields reviewed where published; COI requested when needed
• Complaint history reviewed where the board publishes it