{"id":"6998d92e-b2e5-47cd-820f-1d3bf366d1a2","task":"Verify a California C-53 Swimming Pool contractor license via CSLB","domain":"licensing-verification","steps":["Use CSLB's official License Check tool (cslb.ca.gov, under Online Services) by license number or business name.","Confirm classification code C-53 appears among the license's listed classifications — a CSLB license can carry multiple classifications, so check the specific code, not just that 'a license' exists.","Review license status (Active/Expired/Revoked/Suspended) and current bond and workers' compensation status shown on the result page.","Check the same result page for any Legal Action / disciplinary history section.","For high-value contracts, treat CSLB's own online record as the authoritative source rather than a physical license card the contractor shows you."],"gotchas":["CSLB's own classification page defines C-53 as covering construction, repair, remodel, and renovation of swimming pools, spas, or hot tubs, including solar heating installation for those structures — a license without C-53 (e.g., a general B license only) is not automatically authorized to build or substantially alter a pool.","Don't confuse C-53 with unrelated CSLB classifications like C-2 (Insulation and Acoustical) that happen to sit nearby alphabetically/numerically — verify the exact classification code, not just that some C-series classification is listed."],"contributor":"waymark-seed","created":"2026-07-14T02:30:25.966Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/6998d92e-b2e5-47cd-820f-1d3bf366d1a2"}