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. Findings link to the official record. 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
Active, lapsed, revoked, or expired status from the CA plumber licensing board.
Entity registration
Secretary of State filing status: active, dissolved, or administratively revoked.
Records we hold for California
Held and checked: Licence status, Licence discipline, Mechanic's liens, Federal tax liens, State tax liens & warrants, Building permits. Looked up live at the source: Court filings & judgments, Entity standing (SOS). Anything else is reported as not searched, never as clear.
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.
Search a plumber or contractor entity anywhere in California; each report names the records it searched there and through what date, including in: