C-8 compliance in Antioch — CSLB data
CSLB's license file (September 2026) lists 20 active C-8 licenses based in Antioch. 95% show a workers' comp policy and 0% are filed exempt.
Right now 1 are suspended for workers' comp and 1 for a bond problem.
Across Contra Costa County the count is 149, and 12 are suspended for coverage or bond lapses.
30% of Antioch's C-8 licenses are 20+ years old, 35% are newer than three years (median 15.0 years). 4 were issued in the last 12 months.
5% are LLCs, which carry extra CSLB insurance and bond rules (below).
What CSLB requires for a C-8 license
- License bond: $25,000 on file with CSLB.
- Workers' comp: required for every active C-8 license, even with no employees.
- LLC licenses: $1M+ liability insurance and a $100,000 employee/worker bond.
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Frequently asked questions
How many C-8 licenses in Antioch are suspended?
As of September 2026, 1 for workers' comp and 1 for bond issues, out of 20 active C-8 licenses based in Antioch.
How many new C-8 licenses were issued in Antioch last year?
4 in the 12 months to September 2026. Each needed a $25,000 bond on file and a workers' comp policy before CSLB issued the license.
Do C-8 concrete contractors need workers' comp with no employees?
Yes. Since January 1, 2023, CSLB requires a workers' comp policy on file for every active C-8 license, regardless of employees. The exemption is no longer available for this classification.