Effective Jan 1, 2023, Workers Compensation Insurance Required for: C-20 HVAC, C-8 Concrete, D-49 Tree Service and C-22 Asbestos Abatement
Updated rules for 2026–2028: this 2023 post covers the original SB 216 change. For current CSLB requirements, see our California Contractor Workers’ Comp & Ghost Policy Guide → Effective January 1, 2023, a new California law Senate Bill 216, Chapter 978, requires Proof of Workers’ Compensation Insurance on file with the CSLB for C-8 Concrete;