Birdray

CSLB classification · Specialty

D-28 Doors, Gates and Activating Devices

Installs doors, gates and operators.

2,774
Active licences
1,208
With workers' comp
44%
317
Renewing in 90 days
33
Lapsed or suspended
1,491
Exempt
57
New in 90 days

Coverages a producer should expect

  • ›Workers' comp
  • ›General liability with completed operations
  • ›Commercial auto

WCIRB classes usually assigned

  • 5102 Door installation

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 Fund199
  2. Insurance Co. Of The West94
  3. Pie Insurance Co.76
  4. Hartford Casualty Insurance Co.67
  5. Technology Insurance Co. Inc65
  6. Security National Insurance Co.55
  7. Omaha National Casualty Co.46
  8. Everest Premier Insurance Co.46
  9. Markel Insurance Co.43
  10. Travelers Property Casualty Co. Of America34

D-28 workers' comp renewals by month, California

70
Sep
152
Oct
73
Nov
70
Dec
121
Jan
89
Feb
103
Mar
114
Apr
87
May
107
Jun
77
Jul
59
Aug
5
Sep

Counties with the most

  1. Los Angeles County563
  2. Orange County280
  3. San Diego County256
  4. Riverside County248
  5. San Bernardino County166
  6. Sacramento County163
  7. Santa Clara County123
  8. County98
  9. Alameda County88
  10. Ventura County73
  11. Contra Costa County64
  12. Fresno County59

Related classes in Specialty

C-61 Limited Specialty (D classifications)D-03 AwningsD-09 Drilling, Blasting and Oil Field WorkD-12 Synthetic ProductsD-21 Machinery and PumpsD-34 Prefabricated EquipmentD-39 ScaffoldingD-40 Service Station Equipment and MaintenanceD-42 Non-Electrical Sign InstallationD-52 Window CoveringsD-63 Construction Clean-upD-64 Non-specialized

Frequently asked

What does a D-28 licence allow a contractor to do?
Installs doors, gates and operators.
What insurance does a D-28 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.
How many D-28 contractors are there in California?
2,774 active licences hold the D-28 classification as of 2026-09-06; 1,208 (44%) have workers' comp on file and 1,491 are exempt.
When do D-28 workers' comp policies renew?
317 renew within 90 days. October is the peak month.
Which WCIRB class codes apply to D-28 work?
Most often 5102 (Door installation). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to D-28 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 →

D-28 Doors, Gates and Activating Devices: Insurance and WCIRB Classes | Birdray