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C50 Reinforcing Steel License (California)

California has 254 active C50 Reinforcing Steel holders in the state file as of 2026-10-28¹, the 63rd-largest of 64 classes with at least 200 holders. 9 of them expire by 2026-12-27.

Active holders: 254; 0.1% of active California licenses
Expiring by 2026-12-27: 9; 3.5% of holders
Median bond on file: $25,000; 254 bonds
Workers' comp exempt: 22.4%; of 254 with WC status

How many C50 contractors are exempt from workers' comp?

57 of 254 active C50 holders with a recorded status (22.4%) filed an exemption¹, against 48.7% across all California classes.

How do you check a C50 license?

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

Other California license classes

D16 Hardware, Locks and Safes274
C11 Elevator210
D39 Scaffolding288
C55 Water Conditioning301
C22 Asbestos Abatement316
C28 Lock and Security Equipment364
D41 Siding and Decking414
D42 Non-Electrical Sign Installation422

All 64 classes

Sources

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