Verify any plumber in California for free. Groundcheck pulls California Contractors State License Board (CSLB) license status, entity registration, court judgments, OSHA citations, and BBB complaints. Every line sourced. The contractor is never notified.
California requires a C-36 Plumbing contractor license for any plumbing work over $500. Individual plumbers may work as employees of a licensed contractor.
Licensing boardCalifornia Contractors State License Board (CSLB)
License classC-36 Plumbing
Trigger thresholdRequired for any work over $500 in labor and materials
Six classes of public record for California plumbers.
State license standing
Active, lapsed, revoked, or expired status from the CA plumber licensing board.
Entity registration
Secretary of State filing status: active, dissolved, or administratively revoked.
Court judgments & liens
Public court filings, UCC liens, and judgment records in California.
OSHA safety record
Federal OSHA inspection history, citations, and penalty amounts. Installs, repairs, and maintains water supply, drainage, gas, and sewer systems in residential and commercial buildings-specific.
BBB complaints
Better Business Bureau complaint history and accreditation status.
Phoenix detection
Dissolved entities reopening under a new name at the same address.
Coverage
Verify plumbers in any California city.
Groundcheck covers every plumber and contractor entity registered in California, including: