C-12 compliance in Concord — CSLB data
Concord: 16 active C-12 licenses per CSLB (September 2026). Workers' comp on file — 69%. Exempt — 19%.
Every one is currently clear of workers' comp and bond suspensions.
County-wide, Contra Costa County has 58 C-12 licenses, with 0 workers' comp and 2 bond suspensions.
Median time licensed: 24.2 years. 6% are under three years old; 62% have 20+ years.
What CSLB requires for a C-12 license
- License bond: $25,000 on file with CSLB.
- Workers' comp: required with employees; mandatory for all active licenses from January 1, 2028 (SB 1455).
- LLC licenses: $1M+ liability insurance and a $100,000 employee/worker bond.
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Frequently asked questions
How many C-12 licenses in Concord are suspended?
As of September 2026, 0 for workers' comp and 0 for bond issues, out of 16 active C-12 licenses based in Concord.
Do C-12 contractors need workers' comp?
Yes with employees. Solo operators can currently file an exemption; from January 1, 2028, CSLB will require it for all active licenses (SB 1455), except joint ventures.