Birdray

CSLB classification · Sheet Metal

C-43 Sheet Metal Contractor

Fabricates and installs sheet metal, ducting and flashing.

1,256
Active licences
960
With workers' comp
76%
282
Renewing in 90 days
45
Lapsed or suspended
238
Exempt
8
New in 90 days

Coverages a producer should expect

  • ›Workers' comp (shop and field)
  • ›General liability
  • ›Property on the shop

WCIRB classes usually assigned

  • 5538 Sheet metal work, shop and outside

Governing class depends on actual operations and payroll. Verify with the WCIRB classification search before quoting.

Carriers writing this class

Policies on file, statewide

  1. State Compensation Insurance Fund192
  2. Pie Insurance Co.49
  3. Insurance Co. Of The West42
  4. Zurich American Insurance Co.36
  5. Everest Premier Insurance Co.33
  6. Hartford Casualty Insurance Co.33
  7. American Casualty Co. Of Reading Pa31
  8. Travelers Property Casualty Co. Of America28
  9. Technology Insurance Co. Inc24
  10. Omaha National Casualty Co.22

C-43 workers' comp renewals by month, California

31
Sep
173
Oct
54
Nov
51
Dec
119
Jan
56
Feb
69
Mar
91
Apr
64
May
82
Jun
90
Jul
46
Aug
3
Sep

Counties with the most

  1. Los Angeles County174
  2. San Diego County87
  3. Riverside County79
  4. Orange County67
  5. Sacramento County62
  6. Sonoma County56
  7. San Bernardino County54
  8. County51
  9. Santa Clara County49
  10. Ventura County41
  11. Alameda County40
  12. Fresno County37

Frequently asked

What does a C-43 licence allow a contractor to do?
Fabricates and installs sheet metal, ducting and flashing.
What insurance does a C-43 contractor need?
Workers' compensation is required by law once they have employees; the CSLB suspends a licence without it. Beyond that, producers usually place: Workers' comp (shop and field); General liability; Property on the shop.
How many C-43 contractors are there in California?
1,256 active licences hold the C-43 classification as of 2026-09-06; 960 (76%) have workers' comp on file and 238 are exempt.
When do C-43 workers' comp policies renew?
282 renew within 90 days. October is the peak month.
Which WCIRB class codes apply to C-43 work?
Most often 5538 (Sheet metal work, shop and outside). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to C-43 contractors 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.
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 →