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HVAC contractors in Contra Costa County

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

341
Active licenses
326
With workers' comp
96% of active
71
Renewing in 90 days
55 within 60
11
Lapsed or suspended
13 exempt

Workers' comp renewals by month, Contra Costa County

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

16
Sep
39
Oct
14
Nov
24
Dec
26
Jan
22
Feb
26
Mar
37
Apr
36
May
33
Jun
22
Jul
16
Aug
1
Sep

Top carriers

  1. American Casualty Company Of Reading Pa42
  2. State Compensation Insurance Fund31
  3. Continental Casualty Company24
  4. Technology Insurance Company Inc20
  5. Wesco Insurance Company17
  6. Hartford Casualty Insurance Company16
  7. Amtrust Insurance Company15
  8. Employers Preferred Insurance Company14

Top cities

  1. Concord79
  2. Antioch37
  3. Brentwood31
  4. Pittsburg19
  5. Danville18
  6. Richmond18
  7. Oakley18
  8. San Ramon16
  9. Martinez14
  10. Walnut Creek13

Trades

  1. HVAC341
  2. General Building61
  3. Plumbing53
  4. Specialty39
  5. Electrical39
  6. Sheet Metal24
  7. General Engineering12
  8. Solar11

Size and risk

large24
mid47
small270
high risk4
medium risk4
low risk333

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 hvac contractors are licensed in Contra Costa County?
341 hold an active CSLB license classed as HVAC in Contra Costa County as of 2026-09-02.
How many carry workers' compensation insurance?
326 have a workers' comp policy on file with the CSLB; 13 filed an exemption and 11 are lapsed or suspended.
When do their policies renew?
55 renew within 60 days and 71 within 90 days. The month-by-month curve on this page shows the next 12 months.
Which carriers write the most hvac contractors here?
AMERICAN CASUALTY COMPANY OF READING PA (42), STATE COMPENSATION INSURANCE FUND (31), CONTINENTAL CASUALTY COMPANY (24)
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Birdray shows the specific hvac contractors in Contra Costa County renewing this quarter, with owner contact, carrier, and x-date.
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HVAC contractors in Contra Costa County: workers' comp renewals & carriers | Birdray