Birdray

CSLB classification · Insulation

D-65 Weatherization and Energy Conservation

Weatherisation and energy efficiency retrofits.

75
Active licences
47
With workers' comp
63%
17
Renewing in 90 days
4
Lapsed or suspended
21
Exempt
1
New in 90 days

Coverages a producer should expect

  • ›Workers' comp
  • ›General liability

WCIRB classes usually assigned

  • 5479 Insulation work

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 Fund9
  2. Starstone National Insurance Co.3
  3. Wesco Insurance Co.2
  4. Insurance Co. Of The West2
  5. Norguard Insurance Co.2
  6. Ace American Insurance Co.2
  7. Clear Spring Property And Casualty Co.1
  8. Cypress Insurance Co.1
  9. Employers Preferred Insurance Co.1
  10. Endurance Assurance Corporation1

D-65 workers' comp renewals by month, California

2
Sep
7
Oct
4
Nov
6
Dec
3
Jan
3
Feb
3
Mar
3
Apr
1
May
6
Jun
2
Jul

Counties with the most

  1. Los Angeles County14
  2. Orange County10
  3. Sacramento County9
  4. San Bernardino County6
  5. San Diego County5
  6. Fresno County4
  7. Santa Barbara County4
  8. County3
  9. San Mateo County3
  10. Placer County2
  11. Contra Costa County2
  12. Santa Clara County2

Related classes in Insulation

C-2 Insulation and Acoustical Contractor

Frequently asked

What does a D-65 licence allow a contractor to do?
Weatherisation and energy efficiency retrofits.
What insurance does a D-65 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.
How many D-65 contractors are there in California?
75 active licences hold the D-65 classification as of 2026-09-06; 47 (63%) have workers' comp on file and 21 are exempt.
When do D-65 workers' comp policies renew?
17 renew within 90 days. October is the peak month.
Which WCIRB class codes apply to D-65 work?
Most often 5479 (Insulation work). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to D-65 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 →