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Concrete/Masonry contractors in Contra Costa County

Workers' comp renewals, lapses, and carriers for concrete/masonry contractors licensed in Contra Costa County, California. Aggregate figures from CSLB and state records, as of 2026-09-02.

78
Active licenses
56
With workers' comp
72% of active
9
Renewing in 90 days
4 within 60
5
Lapsed or suspended
21 exempt

Workers' comp renewals by month, Contra Costa County

Policies on file with the CSLB expiring in each of the next 12 months.

4
Oct
4
Nov
8
Dec
8
Jan
3
Feb
6
Mar
2
Apr
6
May
4
Jun
3
Jul
4
Aug

Top carriers

  1. State Compensation Insurance Fund14
  2. Omaha National Casualty Company3
  3. Pie Insurance Company (The)3
  4. Wesco Insurance Company3
  5. Everest Premier Insurance Company3
  6. Oak River Insurance Company3
  7. Endurance Assurance Corporation2
  8. Great American Alliance Insurance Company2

Top cities

  1. Concord15
  2. Richmond11
  3. Brentwood11
  4. Antioch8
  5. Martinez5
  6. Orinda3
  7. Oakley3
  8. Pittsburg3
  9. Danville3
  10. San Pablo3

Trades

  1. Concrete/Masonry78
  2. General Building21
  3. Specialty13
  4. Landscaping5
  5. Welding5
  6. Ornamental Metal4
  7. General Engineering4
  8. Plumbing3

Size and risk

large5
mid14
small59
high risk2
medium risk4
low risk72

Sources: CSLB license and workers' compensation records, CA Secretary of State, OSHA, FMCSA. Aggregates only; no individual contractor data appears on this page. Size and risk tiers are Birdray estimates.

Frequently asked

How many concrete/masonry contractors are licensed in Contra Costa County?
78 hold an active CSLB license classed as Concrete/Masonry in Contra Costa County as of 2026-09-02.
How many carry workers' compensation insurance?
56 have a workers' comp policy on file with the CSLB; 21 filed an exemption and 5 are lapsed or suspended.
When do their policies renew?
4 renew within 60 days and 9 within 90 days. The month-by-month curve on this page shows the next 12 months.
Which carriers write the most concrete/masonry contractors here?
STATE COMPENSATION INSURANCE FUND (14), OMAHA NATIONAL CASUALTY COMPANY (3), PIE INSURANCE COMPANY (THE) (3)
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Concrete/Masonry contractors in Contra Costa County: workers' comp renewals & carriers | Birdray