California requires most contractors to hold a CSLB (Contractors State License Board) license before taking jobs over $500. Operating without a license is a misdemeanor in California.
Key License Classifications
- B — General Building Contractor — structural work
- C-10 — Electrical
- C-20 — HVAC
- C-27 — Landscaping
- C-36 — Plumbing
- C-39 — Roofing
- (60+ C-classifications total)
Requirements
Experience verification, passing the CSLB written exam, and proof of insurance and bonding. Check the CSLB website for each classification's specific requirements.
Display
License number on all advertising (legally required in California), vehicles, contracts, and estimates.
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