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C12 Earthwork and Paving License (California)
California has 2,425 active C12 Earthwork and Paving holders in the state file as of 2026-10-281, the 19th-largest of 64 classes with at least 200 holders. 87 of them expire by 2026-12-27.
- Active holders
- 2,425
- 1.0% of active California licenses
- Expiring by 2026-12-27
- 87
- 3.6% of holders
- Median bond on file
- $25,000
- 2,424 bonds
- Workers' comp exempt
- 36.9%
- of 2,425 with WC status
How many C12 contractors are exempt from workers' comp?
895 of 2,425 active C12 holders with a recorded status (36.9%) filed an exemption1, against 48.7% across all California classes.
How do you check a C12 license?
Search by license number or business name on the California license lookup, which reads the same state file.
Other California license classes
- D49 Tree Service2,668
- C16 Fire Protection2,215
- D28 Doors, Gates and Activated Barrier Systems2,807
- C29 Masonry2,036
- C53 Swimming Pool2,860
- C35 Lathing and Plastering1,820
- C17 Glazing3,057
- C13 Fencing1,819
Sources
- CA CSLB License Master (cslb.ca.gov data portal) (cslb.ca.gov, 2026-10-28)