What insurance does a C-53 contractor need?

Workers' compensation is required by law once they have employees; the CSLB suspends a licence without it. Beyond that, producers usually place: Workers' comp; General liability with completed operations; Commercial auto; Equipment.

How many C-53 contractors are there in California?

2,830 active licences hold the C-53 classification as of 2026-09-06; 1,577 (56%) have workers' comp on file and 1,179 are exempt.

When do C-53 workers' comp policies renew?

316 renew within 90 days. January is the peak month.

Which WCIRB class codes apply to C-53 work?

Most often 5183 (Plumbing), 5201 (Concrete work). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.

CSLB classification · Pool

C-53 Swimming Pool Contractor

Name: C-53 Swimming Pool Contractor: California licence and insurance statistics
Creator: Birdray
License: https://creativecommons.org/licenses/by/4.0/

Builds and remodels pools and spas.

2,830

Active licences

1,577

With workers' comp

56%

316

Renewing in 90 days

Lapsed or suspended

1,179

Exempt

New in 90 days

Coverages a producer should expect

›Workers' comp
›General liability with completed operations
›Commercial auto
›Equipment

WCIRB classes usually assigned

5183 Plumbing
5201 Concrete work

Governing class depends on actual operations and payroll. Verify with the WCIRB classification search before quoting.

Carriers writing this class

Policies on file, statewide

C-53 workers' comp renewals by month, California

Sep

154

Oct

Nov

Dec

177

Jan

134

Feb

161

Mar

146

Apr

140

May

135

Jun

127

Jul

Aug

Sep

Counties with the most

Related classes in Pool

D-35 Pool and Spa Maintenance

Frequently asked

What does a C-53 licence allow a contractor to do?: Builds and remodels pools and spas.
What insurance does a C-53 contractor need?: Workers' compensation is required by law once they have employees; the CSLB suspends a licence without it. Beyond that, producers usually place: Workers' comp; General liability with completed operations; Commercial auto; Equipment.
How many C-53 contractors are there in California?: 2,830 active licences hold the C-53 classification as of 2026-09-06; 1,577 (56%) have workers' comp on file and 1,179 are exempt.
When do C-53 workers' comp policies renew?: 316 renew within 90 days. January is the peak month.
Which WCIRB class codes apply to C-53 work?: Most often 5183 (Plumbing), 5201 (Concrete work). The WCIRB assigns the class from the actual operations and payroll, so verify per account in the WCIRB classification search.

Selling to C-53 contractors in California?

Birdray runs signal-timed outbound for one agency per territory: the companies behind these numbers, the person to email, and the renewal date, sent from your inbox. The database is free to search.

How the outbound works Search free

Sources: CSLB licence and workers' compensation records, California Secretary of State, OSHA, FMCSA, county permits. Aggregates only; no individual contractor appears on this page. "Active" means a CLEAR licence status. Renewal counts include policies on file with the CSLB expiring in the window. Refreshed weekly; this page as of 2026-09-06. Every field and its source →