Carrier

Markel Insurance Co.: California contractor workers' comp book

2,126 active California contractors name Markel Insurance Co. as their workers' comp carrier, 2% of every contractor policy on file. 446 of those policies renew in the next 90 days. Renewals peak in January. The book leans hvac, landscaping, electrical. Aggregates from CSLB certificates; no policyholder is named on this page.

2,126
Policies on file
2% of the market
337
Renewing in 60 days
446
Renewing in 90 days
22
Large accounts
Birdray size tier
93
Mid-size accounts
5
Counties with 100+

Markel Insurance Co. contractor renewals by month

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

92
Sep
204
Oct
126
Nov
150
Dec
247
Jan
159
Feb
188
Mar
202
Apr
167
May
206
Jun
159
Jul
96
Aug
2
Sep

Trades in the book

  1. HVAC394
  2. Landscaping284
  3. Electrical223
  4. Painting/Finish205
  5. Flooring125
  6. Plumbing123
  7. General Building121
  8. Tile118
  9. Concrete/Masonry48
  10. Glazing47
  11. Fire Protection47
  12. Fencing37
  13. General Engineering27

Cities where it writes the most

  1. San Jose67
  2. Sacramento57
  3. Bakersfield55
  4. San Diego55
  5. Fresno41
  6. Escondido33
  7. San Francisco31
  8. Stockton28
  9. Chula Vista27
  10. Santa Rosa25
  11. Redding22
  12. Vista21

What this means for a producer

Every policy in this book has a public expiration date and a class of business. A producer with a competing market for hvac can work Markel Insurance Co.'s renewals month by month: the chart above is the calendar, the county pages are the territory, and the licence record supplies the policy number and the date. Birdray adds what the record leaves out: the person to write to, what changed at the business, and the timing, then sends the first email from your inbox 60 days out.

Frequently asked

How many California contractors does Markel Insurance Co. insure for workers' comp?
2,126 active licensed contractors list Markel Insurance Co. as their workers' comp carrier on the CSLB record, about 2% of all contractor policies on file.
When do Markel Insurance Co.'s contractor policies renew?
337 expire within 60 days and 446 within 90. January is the peak month with 247.
Which trades does Markel Insurance Co. write most?
HVAC (394), Landscaping (284), Electrical (223), Painting/Finish (205)
Where in California is Markel Insurance Co.'s contractor book concentrated?
San Diego County (287), Los Angeles County (167), Santa Clara County (139), Sacramento County (131)
Selling to Markel Insurance Co. policyholders in California?
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.

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 →