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HVAC contractors in Alameda County

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

303
Active licenses
282
With workers' comp
93% of active
77
Renewing in 90 days
55 within 60
14
Lapsed or suspended
13 exempt

Workers' comp renewals by month, Alameda County

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

14
Sep
35
Oct
25
Nov
18
Dec
28
Jan
18
Feb
22
Mar
19
Apr
22
May
33
Jun
27
Jul
10
Aug

Top carriers

  1. State Compensation Insurance Fund36
  2. American Casualty Company Of Reading Pa24
  3. Continental Casualty Company18
  4. Hartford Casualty Insurance Company16
  5. Employers Preferred Insurance Company13
  6. Technology Insurance Company Inc13
  7. Everest Premier Insurance Company10
  8. Amtrust Insurance Company9

Top cities

  1. Livermore54
  2. Oakland53
  3. Hayward43
  4. San Leandro35
  5. Fremont28
  6. Pleasanton24
  7. Union City14
  8. Castro Valley13
  9. Berkeley9
  10. Newark8

Trades

  1. HVAC303
  2. General Building65
  3. Plumbing52
  4. Electrical48
  5. Specialty43
  6. Sheet Metal22
  7. General Engineering15
  8. Fire Protection13

Size and risk

large24
mid61
small218
high risk3
medium risk4
low risk296

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 Alameda County?
303 hold an active CSLB license classed as HVAC in Alameda County as of 2026-09-02.
How many carry workers' compensation insurance?
282 have a workers' comp policy on file with the CSLB; 13 filed an exemption and 14 are lapsed or suspended.
When do their policies renew?
55 renew within 60 days and 77 within 90 days. The month-by-month curve on this page shows the next 12 months.
Which carriers write the most hvac contractors here?
STATE COMPENSATION INSURANCE FUND (36), AMERICAN CASUALTY COMPANY OF READING PA (24), CONTINENTAL CASUALTY COMPANY (18)
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HVAC contractors in Alameda County: workers' comp renewals & carriers | Birdray