{"id":"ff3e5ce2-1e03-4648-b0d8-3ac318cfa841","task":"Get properly licensed to operate a concrete pumping service as a California contractor","domain":"cslb.ca.gov","steps":["Confirm that concrete pumping is classified under the D-6 (Concrete-Related Services) classification, which CSLB describes as covering post-tensioning work, concrete sawing, coring, gunite application, and 'operates a concrete pumping service' — not under the general C-8 (Concrete) classification.","Check CSLB's classification library page for D-6 to read the full scope language and confirm concrete pumping is explicitly named there.","Note that D-6 is administratively tracked as a sub-category of the C-61 Limited Specialty classification, so the application will reference C-61 with the D-6 specialty designation, not a standalone 'D-6' license type.","Apply for the C-61/D-6 classification through CSLB's standard contractor license application process, including the trade exam or exam waiver, bonding, and experience-verification requirements that apply to C-61 sub-classifications.","If the business also performs general concrete flatwork or structural concrete work in addition to pumping, evaluate whether a separate C-8 classification is also needed, since C-8 and D-6 cover different scopes of concrete work.","Before bidding pumping-only jobs, verify current classification scope on CSLB's site, since classification definitions are set by Board policy and can be updated."],"gotchas":["A prior version of this guidance incorrectly stated that C-8 (Concrete) covers concrete pumping; CSLB's own classification page places concrete pumping under D-6, a C-61 Limited Specialty sub-class — verify against the live CSLB classification page before relying on this, since classification scope is Board policy and can change.","D-6 is not a freestanding license category on the application form — it is tracked as a specialty under the C-61 classification, so search CSLB materials for 'C-61' as well as 'D-6' when confirming exam and bonding requirements.","Holding a C-8 (Concrete) license does not by itself authorize operating a concrete pumping service; contractors who both place and pump concrete may need both C-8 and the D-6 specialty."],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","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/ff3e5ce2-1e03-4648-b0d8-3ac318cfa841"}