CSLB classification · Specialty

D-39 Scaffolding

Erects and dismantles scaffolding.

284
Active licences
214
With workers' comp
75%
56
Renewing in 90 days
7
Lapsed or suspended
46
Exempt
6
New in 90 days

Coverages a producer should expect

  • Workers' comp
  • General liability with high limits

WCIRB classes usually assigned

  • 5403 Carpentry NOC / scaffolding

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

D-39 workers' comp renewals by month, California

11
Sep
24
Oct
12
Nov
13
Dec
15
Jan
15
Feb
18
Mar
25
Apr
20
May
24
Jun
15
Jul
12
Aug
3
Sep

Frequently asked

What does a D-39 licence allow a contractor to do?
Erects and dismantles scaffolding.
What insurance does a D-39 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 high limits.
How many D-39 contractors are there in California?
284 active licences hold the D-39 classification as of 2026-09-06; 214 (75%) have workers' comp on file and 46 are exempt.
When do D-39 workers' comp policies renew?
56 renew within 90 days. April is the peak month.
Which WCIRB class codes apply to D-39 work?
Most often 5403 (Carpentry NOC / scaffolding). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.
Selling to D-39 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 →