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General Building contractors in San Mateo County

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

2,365
Active licenses
1,036
With workers' comp
44% of active
240
Renewing in 90 days
175 within 60
43
Lapsed or suspended
1,298 exempt

Workers' comp renewals by month, San Mateo County

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

55
Sep
113
Oct
62
Nov
69
Dec
97
Jan
58
Feb
93
Mar
98
Apr
98
May
80
Jun
98
Jul
68
Aug
3
Sep

Top carriers

  1. State Compensation Insurance Fund427
  2. Pie Insurance Company (The)63
  3. Everest Premier Insurance Company58
  4. Omaha National Casualty Company53
  5. American Casualty Company Of Reading Pa38
  6. Norguard Insurance Company34
  7. Insurance Company Of The West27
  8. Technology Insurance Company Inc24

Top cities

  1. Redwood City324
  2. San Mateo307
  3. Daly City259
  4. Burlingame202
  5. South San Francisco179
  6. San Carlos152
  7. Pacifica137
  8. Millbrae122
  9. San Bruno115
  10. Menlo Park100

Trades

  1. General Building2,365
  2. Electrical169
  3. Plumbing139
  4. Specialty133
  5. General Engineering125
  6. Painting/Finish83
  7. HVAC36
  8. Landscaping33

Size and risk

large43
mid153
small2,169
high risk54
medium risk19
low risk2,292

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 general building contractors are licensed in San Mateo County?
2,365 hold an active CSLB license classed as General Building in San Mateo County as of 2026-09-02.
How many carry workers' compensation insurance?
1,036 have a workers' comp policy on file with the CSLB; 1,298 filed an exemption and 43 are lapsed or suspended.
When do their policies renew?
175 renew within 60 days and 240 within 90 days. The month-by-month curve on this page shows the next 12 months.
Which carriers write the most general building contractors here?
STATE COMPENSATION INSURANCE FUND (427), PIE INSURANCE COMPANY (THE) (63), EVEREST PREMIER INSURANCE COMPANY (58)
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Birdray shows the specific general building contractors in San Mateo County renewing this quarter, with owner contact, carrier, and x-date.
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General Building contractors in San Mateo County: workers' comp renewals & carriers | Birdray