Preferred Piping Systems

Paramount · Los Angeles County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Preferred Piping Systems in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#457116 verify on CSLB ↗
Classifications
B, C-36
Years licensed
42.1 years since 05/21/1984
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current INSURANCE COMPANY OF THE WEST
Business type
Corporation
Qualifying principal
Charles Lewis Slay
Address of record
15540 Illinois Ave, Paramount, CA 90723

Frequently Asked Questions

Is Preferred Piping Systems a licensed Plumbing contractor in California?

Yes. Preferred Piping Systems holds California CSLB contractor license #457116 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.

What work is Preferred Piping Systems licensed to perform?

License #457116 carries C-36 (Plumbing), plus additional classifications: B.

Is Preferred Piping Systems bonded?

Yes. Preferred Piping Systems carries contractor's bond #10126405 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Preferred Piping Systems carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with INSURANCE COMPANY OF THE WEST, with a policy expiration of 01/01/2027.

How long has Preferred Piping Systems held its contractor license?

License #457116 was originally issued on 05/21/1984, approximately 42 years ago (as of July 2026).

Where is Preferred Piping Systems located?

Preferred Piping Systems is based in Paramount, Los Angeles County, CA 90723.