{"id":"13234f44-7959-4970-aaea-cb56c77bc79e","task":"Verify a basement waterproofing contractor's license (California and Virginia lookup workflow)","domain":"waterproofing","steps":["California: CSLB regulates waterproofing primarily under the C-39 classification — the old standalone \"D-51 Waterproofing and Weatherproofing\" classification no longer exists; CSLB folded it into C-39, C-33 (Painting), C-29 (Masonry), or C-54 (Tile) depending on scope. Verify at CSLB's public license lookup (cslb.ca.gov) by license number/business name, and confirm both active status and that the listed classification actually covers waterproofing.","Virginia: DPOR's Board for Contractors licenses waterproofing as a specialty (\"placing of film barriers, sealing and waterproofing\") tied to a class (A/B/C) based on per-project/annual dollar thresholds. Verify at DPOR's public License Lookup (dporweb.dpor.virginia.gov/LicenseLookup) by business/license number and confirm the class ceiling covers the contract value and the specialty is listed.","In both states, a license lookup only confirms licensing status — pull insurance/bond status and complaint history separately (CSLB shows bond/workers'-comp status on the license detail page; Virginia complaint history is a separate DPOR public-records inquiry).","Treat these two states as illustrative, not universal — most states regulate waterproofing as a specialty under a general or specialty contractor license rather than a dedicated \"waterproofing license,\" so identify the correct licensing board before assuming an equivalent lookup tool exists elsewhere."],"gotchas":["Searching California's old \"D-51 Waterproofing\" classification by that name won't return current license holders — look under C-39/C-33/C-29/C-54 instead.","An \"active\" license status does not verify scope match — confirm the specific classification/specialty actually covers waterproofing work, since a contractor can be actively licensed in an unrelated trade."],"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":"verified","url":"https://mcp.waymark.network/r/13234f44-7959-4970-aaea-cb56c77bc79e"}