CSLB classification · Solar

C-46 Solar Contractor

Installs solar thermal and photovoltaic systems. Fast-growing, often paired with C-10 or C-39.

1,135
Active licences
717
With workers' comp
63%
185
Renewing in 90 days
22
Lapsed or suspended
377
Exempt
11
New in 90 days

Coverages a producer should expect

  • Workers' comp
  • General liability with completed operations
  • Commercial auto
  • Installation floater

Exposures underwriters ask about

  • · Rooftop work
  • · Electrical
  • · Consumer-finance disputes

WCIRB classes usually assigned

  • 5190 Electrical wiring
  • 5552 Roofing (where mounted on roofs)

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

C-46 workers' comp renewals by month, California

38
Sep
83
Oct
47
Nov
49
Dec
90
Jan
47
Feb
43
Mar
72
Apr
49
May
56
Jun
55
Jul
50
Aug
4
Sep

Frequently asked

What does a C-46 licence allow a contractor to do?
Installs solar thermal and photovoltaic systems. Fast-growing, often paired with C-10 or C-39.
What insurance does a C-46 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; General liability with completed operations; Commercial auto; Installation floater.
How many C-46 contractors are there in California?
1,135 active licences hold the C-46 classification as of 2026-09-06; 717 (63%) have workers' comp on file and 377 are exempt.
When do C-46 workers' comp policies renew?
185 renew within 90 days. January is the peak month.
Which WCIRB class codes apply to C-46 work?
Most often 5190 (Electrical wiring), 5552 (Roofing (where mounted on roofs)). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to C-46 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.

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 →