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C9 Drywall License (California)

California has 3,198 active C9 Drywall holders in the state file as of 2026-10-28¹, the 14th-largest of 64 classes with at least 200 holders. 116 of them expire by 2026-12-27.

Active holders: 3,198; 1.4% of active California licenses
Expiring by 2026-12-27: 116; 3.6% of holders
Median bond on file: $25,000; 3,197 bonds
Workers' comp exempt: 37.6%; of 3,198 with WC status

How many C9 contractors are exempt from workers' comp?

1,202 of 3,198 active C9 holders with a recorded status (37.6%) filed an exemption¹, against 48.7% across all California classes.

How do you check a C9 license?

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

Other California license classes

C6 Cabinet, Millwork and Finish Carpentry4,241
C17 Glazing3,057
C7 Low Voltage Systems4,692
C53 Swimming Pool2,860
C8 Concrete5,317
D28 Doors, Gates and Activated Barrier Systems2,807
C39 Roofing5,563
D49 Tree Service2,668

All 64 classes

Sources

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