San Mateo County contractors
Workers' comp renewals, lapses, carriers, and trades for every licensed contractor in San Mateo County, California. Aggregate figures from CSLB, CA Secretary of State, OSHA, and FMCSA records, as of 2026-09-02.
4,528
Active licenses
2,295
With workers' comp
51% of active
533
Renewing in 90 days
401 within 60
96
Lapsed or suspended
2,157 exempt
Workers' comp renewals by month, San Mateo County
Policies on file with the CSLB expiring in each of the next 12 months.
130
Sep
252
Oct
130
Nov
138
Dec
272
Jan
137
Feb
189
Mar
211
Apr
200
May
195
Jun
194
Jul
141
Aug
4
Sep
Top carriers
- State Compensation Insurance Fund724
- Pie Insurance Company (The)111
- Technology Insurance Company Inc110
- Employers Preferred Insurance Company96
- Omaha National Casualty Company84
- Hartford Casualty Insurance Company84
- Everest Premier Insurance Company71
- Security National Insurance Company68
Top cities
- Redwood City701
- San Mateo622
- Daly City455
- South San Francisco388
- Burlingame324
- San Carlos315
- Pacifica267
- San Bruno238
- Menlo Park184
- Millbrae182
Trades
- General Building2,365
- Specialty579
- Electrical545
- Plumbing442
- Painting/Finish408
- Landscaping259
- General Engineering227
- Flooring139
Size and risk
large60
mid239
small4,229
high risk96
medium risk42
low risk4,390
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.
By trade in San Mateo County
General BuildingGeneral EngineeringElectricalPlumbingHVACRoofingConcrete/MasonryFraming/CarpentryPainting/FinishLandscapingEarthwork/PavingSolarFire ProtectionPoolDrywallFlooringTileInsulationSheet MetalGlazingTree ServiceDemolition
See the accounts behind these numbers
Birdray shows producers the specific contractors renewing in San Mateo County, with owner contact, carrier, and x-date.