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State files updated Oct 28, 2026

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C28 Lock and Security Equipment License (California)

California has 364 active C28 Lock and Security Equipment holders in the state file as of 2026-10-281, the 58th-largest of 64 classes with at least 200 holders. 13 of them expire by 2026-12-27.

Active holders
364
0.2% of active California licenses
Expiring by 2026-12-27
13
3.6% of holders
Median bond on file
$25,000
362 bonds
Workers' comp exempt
34.3%
of 364 with WC status

How many C28 contractors are exempt from workers' comp?

125 of 364 active C28 holders with a recorded status (34.3%) filed an exemption1, against 48.7% across all California classes.

How do you check a C28 license?

Search by license number or business name on the California license lookup, which reads the same state file.

Other California license classes

All 64 classes

Sources

  1. CA CSLB License Master (cslb.ca.gov data portal) (cslb.ca.gov, 2026-10-28)