C-10 compliance in Antioch — CSLB data
CSLB's license file (September 2026) lists 62 active C-10 licenses based in Antioch. 40% show a workers' comp policy and 60% are filed exempt.
1 of them are suspended (0 workers' comp / 1 bond) — a suspended license cannot legally contract.
County-wide, Contra Costa County has 774 C-10 licenses, with 9 workers' comp and 21 bond suspensions.
24% of Antioch's C-10 licenses are 20+ years old, 21% are newer than three years (median 8.6 years). 4 were issued in the last 12 months.
6% are LLCs, which carry extra CSLB insurance and bond rules (below).
What CSLB requires for a C-10 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.
Get a quote
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Frequently asked questions
How many C-10 licenses in Antioch are suspended?
As of September 2026, 0 for workers' comp and 1 for bond issues, out of 62 active C-10 licenses based in Antioch.
How many new C-10 licenses were issued in Antioch last year?
4 in the 12 months to September 2026. Each needed a $25,000 bond on file before CSLB issued the license.
Do C-10 electricians need workers' comp?
If you have employees, yes — California Labor Code 3700 requires it. With no employees you can currently file an exemption, but beginning January 1, 2028 (SB 1455), CSLB will require workers' comp for all active licenses; only joint-venture licenses remain exempt.