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HVAC contractors in San Mateo County

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

137
Active licenses
132
With workers' comp
96% of active
32
Renewing in 90 days
25 within 60
8
Lapsed or suspended
4 exempt

Workers' comp renewals by month, San Mateo County

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

5
Sep
20
Oct
4
Nov
16
Dec
14
Jan
8
Feb
7
Mar
11
Apr
11
May
15
Jun
8
Jul
7
Aug
1
Sep

Top carriers

  1. State Compensation Insurance Fund26
  2. American Casualty Company Of Reading Pa12
  3. Employers Preferred Insurance Company11
  4. Technology Insurance Company Inc9
  5. Continental Casualty Company7
  6. Amtrust Insurance Company6
  7. Wesco Insurance Company6
  8. Hartford Casualty Insurance Company5

Top cities

  1. Redwood City24
  2. San Mateo21
  3. South San Francisco17
  4. Menlo Park11
  5. San Carlos10
  6. Burlingame9
  7. Daly City8
  8. Millbrae7
  9. Pacifica7
  10. Brisbane5

Trades

  1. HVAC137
  2. Plumbing41
  3. General Building36
  4. Electrical23
  5. Specialty21
  6. General Engineering13
  7. Sheet Metal13
  8. Fire Protection10

Size and risk

large20
mid22
small95
high risk0
medium risk0
low risk137

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 San Mateo County?
137 hold an active CSLB license classed as HVAC in San Mateo County as of 2026-09-02.
How many carry workers' compensation insurance?
132 have a workers' comp policy on file with the CSLB; 4 filed an exemption and 8 are lapsed or suspended.
When do their policies renew?
25 renew within 60 days and 32 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 (26), AMERICAN CASUALTY COMPANY OF READING PA (12), EMPLOYERS PREFERRED INSURANCE COMPANY (11)
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Birdray shows the specific hvac contractors in San Mateo County renewing this quarter, with owner contact, carrier, and x-date.
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HVAC contractors in San Mateo County: workers' comp renewals & carriers | Birdray