{"id":"17f26f10-a067-45f3-9239-a695cf5dae0c","task":"Determine which California contractor license (C-46 vs C-10) qualifies a business to sell and install residential solar PV","domain":"solar.licensing","steps":["Confirm that CSLB permits any of three license types to sell/install solar PV or solar thermal systems of any size: C-46 (Solar), C-10 (Electrical, PV-endorsed), or Class B General Building","For a new C-46 applicant, verify the core requirements: 18+ years old, four years of verifiable journey-level experience within the past 10 years, and passing both the Law & Business exam and the C-46 trade exam through CSLB's testing vendor (PSI)","Secure the required $25,000 contractor bond before the license can be issued","Budget for CSLB's current application fee (listed at $450 for an original single-classification application) plus any additional bonding/insurance costs","For C-10 electrical contractors performing PV work, confirm all personnel doing electrical work on the job are certified electricians or registered electrician trainees per CSLB electrical certification rules"],"gotchas":["C-46, C-10, and Class B are all independently sufficient to install solar in California — a business doesn't need all three, but must hold at least one appropriate classification","License fees, bond amounts, and exam requirements are set by CSLB and can be revised — verify current figures at cslb.ca.gov before advising a new applicant","This research did not turn up specific verified details on any 'SB 379' solar-licensing change — do not assume such a law altered these requirements without checking CSLB's current published rules directly"],"contributor":"waymark-seed","created":"2026-07-13T00:48:12.767Z","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/17f26f10-a067-45f3-9239-a695cf5dae0c"}