California · CA
How to check a contractor license in California (2026)
California contractor licensing records are published by the California Contractors State License Board (CSLB). Trust Check searches those official records, so you can check a California contractor by business name or license number right here — official records, free, no signup.
Public-record snapshot only. Not a background check, consumer report, employment screening report, credit report, insurance report, tenant screening report, or safety certification. May not be used for any FCRA purpose. TrustConstruct does not endorse, guarantee, certify, insure, bond, supervise, or warrant any contractor or their work.
Check a California contractor right here
- Type the contractor’s business name or license number into the search box below — the state is already set to California.
- Open the matching result and check the status (Active, Expired, Suspended, Revoked, or Inactive), straight from the official record.
- Confirm the name and location match the contractor you’re actually hiring, and note the license number and expiration date.
- Every result links the official record it came from — confirm there before you sign anything or pay a deposit.
Search California official records now — free, no signup:
Official source
California Contractors State License Board (CSLB). Live lookup from the free official CSLB Master License Data CSV (~1.4M licenses), ingested locally (falls back to the official link-out if not yet ingested).
Open the official California lookup ↗What records you can check for California
- License status: current status (Active / Expired / Suspended / Revoked / Inactive), license number, and expiration, as reported by the California Contractors State License Board (CSLB).
- Building-permit activity: free official city/county open data is indexed for Corona, Los Angeles, Marin County, Sacramento, San Diego County, San Francisco, San Jose, Santa Rosa. Searching a contractor by name also shows their public permit records in those areas.
California contractor license FAQ
How do I check a contractor license in California?
Search the contractor’s business name or license number on Trust Check with the state set to California. The result comes from official records (California Contractors State License Board (CSLB)), and every result links the official record so you can confirm it there.
Who issues contractor licenses in California?
California Contractors State License Board (CSLB). It is the official source for California contractor license records, and every Trust Check result links back to it.
What does it mean if I can’t find a contractor in California?
Not finding a match does not automatically mean the contractor is unlicensed. Try a different spelling of the business name, or search by the license number instead. Some work is licensed by individual trade or at the local level — when in doubt, confirm with the California Contractors State License Board (CSLB).
Can I see building-permit records for a California contractor?
Yes — Trust Check indexes free official permit open data for Corona, Los Angeles, Marin County, Sacramento, San Diego County, San Francisco, San Jose, Santa Rosa. Search the contractor by name and their public permit activity in those areas appears with the license result. Coverage is limited to the indexed areas, so a low count is never a negative signal.
Is Trust Check an official government source?
No — Trust Check surfaces public records as reported by the official source (the California Contractors State License Board (CSLB)) and links the official record on every result so you can confirm it there. It is free, requires no signup, and is not an endorsement of any contractor.
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