Birdray

Hartford Casualty Insurance Co. contractor policies in Contra Costa County

Hartford Casualty Insurance Co. insures 156 licensed contractors in Contra Costa County for workers' comp. 32 of those policies expire in the next 90 days, most of them in April. The book here is mostly general building, painting/finish, electrical.

156
Policies on file
19
Renewing in 60 days
32
Renewing in 90 days
8
Large accounts
14
Mid-size
134
Small

Hartford Casualty Insurance Co. renewals by month, Contra Costa County

5
Sep
10
Oct
15
Nov
7
Dec
10
Jan
13
Feb
21
Mar
23
Apr
14
May
9
Jun
13
Jul
8
Aug
1
Sep

Trades

  1. General Building32
  2. Painting/Finish19
  3. Electrical18
  4. Landscaping18
  5. Flooring17
  6. HVAC16
  7. Plumbing14
  8. Tile6
  9. General Engineering5
  10. Fencing3
  11. Glazing3
  12. Concrete/Masonry2
  13. Lock/Security1

Cities

City pages exist for the larger ones

  1. Concord31
  2. Brentwood16
  3. Richmond14
  4. Pittsburg12
  5. Antioch12
  6. Walnut Creek9
  7. Oakley7
  8. San Pablo7
  9. Pinole6
  10. Martinez6
  11. Bay Point5
  12. San Ramon5

Licence classes

  1. B32
  2. C3319
  3. C1018
  4. C2718
  5. C1517
  6. C2015
  7. C3614
  8. C-812
  9. C546
  10. A5
  11. C173
  12. C-63

What changed in Contra Costa County this month

Recent changes in state records, one line each, company names withheld on public pages. Birdray users see the company, the contact and the timing.

  • Coverage lapsedHVACWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedGeneral BuildingWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedSpecialtyWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedElectricalWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedElectricalWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedElectricalWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedRoofingWorkers' comp coverage lapsed; licence suspended2026-09-06
  • Coverage lapsedGeneral BuildingWorkers' comp coverage lapsed; licence suspended2026-09-06

Frequently asked

How many Contra Costa County contractors does Hartford Casualty Insurance Co. insure?
156 active licensed contractors in Contra Costa County list Hartford Casualty Insurance Co. as their workers' comp carrier as of 2026-09-06.
When do they renew?
19 within 60 days, 32 within 90. The peak month is April with 23.
Which trades?
General Building (32), Painting/Finish (19), Electrical (18), Landscaping (18)
Hartford Casualty Insurance Co. statewide →All x-dates in Contra Costa County →
Selling to Hartford Casualty Insurance Co. policyholders in Contra Costa County?
Birdray runs signal-timed outbound for one agency per territory: the companies behind these numbers, the person to email, and the renewal date, sent from your inbox. The database is free to search.
How the outbound worksSearch free

Sources: CSLB licence and workers' compensation records, California Secretary of State, OSHA, FMCSA, county permits. Aggregates only; no individual contractor appears on this page. "Active" means a CLEAR licence status. Renewal counts include policies on file with the CSLB expiring in the window. Refreshed weekly; this page as of 2026-09-06. Every field and its source →