Home / Licensing / California / D28
California D28 Doors, Gates and Activated Barrier Systems License
California has 2,805 active D28 Doors, Gates and Activated Barrier Systems holders in the state file as of 2026-10-261, the 17th-largest of 64 classes with at least 200 holders. 111 of them expire by 2026-12-26.
- Active holders
- 2,805
- 1.2% of active California licenses
- Expiring by 2026-12-26
- 111
- 4.0% of holders
- Median bond on file
- $25,000
- 2,803 bonds
- Workers' comp exempt
- 54.2%
- of 2,805 with WC status
How many D28 contractors are exempt from workers' comp?
1,521 of 2,805 active D28 holders with a recorded status (54.2%) filed an exemption1, against 48.7% across all California classes.
How do you check a D28 license?
Search by license number or business name on the California license lookup, which reads the same state file.
Other California license classes
- C53 Swimming Pool2,853
- D49 Tree Service2,662
- C17 Glazing3,047
- C12 Earthwork and Paving2,422
- C9 Drywall3,195
- C16 Fire Protection2,213
- C6 Cabinet, Millwork and Finish Carpentry4,235
- C29 Masonry2,032
Sources
- CA CSLB License Master (cslb.ca.gov data portal) (cslb.ca.gov, 2026-10-26)