Birdray

Plumbing workers' comp x-dates in Contra Costa County

237 of the 507 active plumbing contractors in Contra Costa County carry workers' comp (47%). 44 policies expire in the next 60 days and 59 in 90. October is the peak. State Compensation Insurance Fund holds the most of them.

237
Policies on file
44
Expire in 60 days
59
Expire in 90 days
6
Lapsed or suspended
265
Exempt
507
Active licences

Plumbing renewals by month, Contra Costa County

11
Sep
32
Oct
13
Nov
12
Dec
21
Jan
13
Feb
23
Mar
28
Apr
17
May
26
Jun
13
Jul
13
Aug

Carriers holding the book

  1. State Compensation Insurance Fund34
  2. Technology Insurance Co. Inc20
  3. Amtrust Insurance Co.17
  4. American Casualty Co. Of Reading Pa15
  5. Employers Preferred Insurance Co.14
  6. Hartford Casualty Insurance Co.14
  7. Security National Insurance Co.8
  8. Travelers Property Casualty Co. Of America8

Cities with the most

City pages exist for the larger ones

  1. Concord71
  2. Antioch57
  3. Richmond43
  4. Brentwood38
  5. Walnut Creek35
  6. Pittsburg26
  7. Martinez26
  8. San Ramon22
  9. Oakley19
  10. Danville18

Size of the accounts

large36
mid67
small404

Birdray size tiers from fleet, permits, reviews and licence breadth.

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 plumbing contractors in Contra Costa County renew workers' comp in the next 90 days?
59, out of 237 with a policy on file. 44 expire within 60 days.
Which carriers hold the plumbing book here?
State Compensation Insurance Fund (34), Technology Insurance Co. Inc (20), Amtrust Insurance Co. (17), American Casualty Co. Of Reading Pa (15)
When is the peak renewal month?
October, with 32 expirations.
How many are exempt or lapsed?
265 plumbing licences hold an exemption (no employees on record) and 6 are lapsed or suspended.
All plumbing data for Contra Costa County →Every trade in Contra Costa County →
Selling to plumbing contractors 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 2026-09-02. Every field and its source →