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Solar contractors in Sonoma County

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

33
Active licenses
21
With workers' comp
64% of active
5
Renewing in 90 days
2 within 60
0
Lapsed or suspended
11 exempt

Workers' comp renewals by month, Sonoma County

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

1
Sep
1
Oct
1
Nov
3
Dec
3
Jan
1
Feb
1
Mar
2
May
2
Jun
3
Jul
3
Aug

Top carriers

  1. State Compensation Insurance Fund14
  2. Carolina Casualty Insurance Company2
  3. Everest Premier Insurance Company1
  4. Oak River Insurance Company1
  5. Praetorian Insurance Company1
  6. National Casualty Company1
  7. Employers Mutual Casualty Company1

Top cities

  1. Santa Rosa8
  2. Sebastopol6
  3. Sonoma4
  4. Petaluma4
  5. Windsor3
  6. Healdsburg2
  7. Occidental2
  8. Rohnert Park1
  9. Graton1
  10. Geyserville1

Trades

  1. Solar33
  2. Electrical17
  3. General Building14
  4. Roofing4
  5. HVAC2
  6. Sheet Metal2
  7. Plumbing2
  8. Specialty2

Size and risk

large3
mid7
small23
high risk0
medium risk0
low risk33

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 solar contractors are licensed in Sonoma County?
33 hold an active CSLB license classed as Solar in Sonoma County as of 2026-09-02.
How many carry workers' compensation insurance?
21 have a workers' comp policy on file with the CSLB; 11 filed an exemption and 0 are lapsed or suspended.
When do their policies renew?
2 renew within 60 days and 5 within 90 days. The month-by-month curve on this page shows the next 12 months.
Which carriers write the most solar contractors here?
STATE COMPENSATION INSURANCE FUND (14), CAROLINA CASUALTY INSURANCE COMPANY (2), EVEREST PREMIER INSURANCE COMPANY (1)
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Solar contractors in Sonoma County: workers' comp renewals & carriers | Birdray