Skip to content
State files updated Oct 29, 2026

Home / Licensing / California / C53

C53 Swimming Pool License (California)

California has 2,860 active C53 Swimming Pool holders in the state file as of 2026-10-291, the 16th-largest of 64 classes with at least 200 holders. 111 of them expire by 2026-12-28.

Active holders
2,860
1.2% of active California licenses
Expiring by 2026-12-28
111
3.9% of holders
Median bond on file
$25,000
2,855 bonds
Workers' comp exempt
41.2%
of 2,860 with WC status

How many C53 contractors are exempt from workers' comp?

1,178 of 2,860 active C53 holders with a recorded status (41.2%) filed an exemption1, against 48.7% across all California classes.

How do you check a C53 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, 2026-10-29)