Sewer and Drain Masters Corporation

Richmond · Contra Costa County · CA

VERIFIED

Bestopedia verdict

96 / 100 Bestopedia Trust Score

California’s contractor board lists Sewer and Drain Masters Corporation 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
16 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#808055 verify on CSLB ↗
Classifications
C-36, C-42
Years licensed
24.1 years since 05/14/2002
Contractor bond
$25,000 MERCHANTS BONDING COMPANY (MUTUAL)
Workers’ comp
Current
Business type
Corporation
Qualifying principal
Ricardo Lopez Bonilla
Address of record
1000 13th Street, Richmond, CA 94801

Frequently Asked Questions

Is Sewer and Drain Masters Corporation a licensed Plumbing contractor in California?

Yes. Sewer and Drain Masters Corporation holds California CSLB contractor license #808055 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.

What work is Sewer and Drain Masters Corporation licensed to perform?

License #808055 carries C-36 (Plumbing), plus additional classifications: C42.

Is Sewer and Drain Masters Corporation bonded?

Yes. Sewer and Drain Masters Corporation carries contractor's bond #101793050 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).

Does Sewer and Drain Masters Corporation carry workers' compensation insurance?

Workers' compensation status on file: Exempt.

How long has Sewer and Drain Masters Corporation held its contractor license?

License #808055 was originally issued on 05/14/2002, approximately 24 years ago (as of July 2026).

Where is Sewer and Drain Masters Corporation located?

Sewer and Drain Masters Corporation is based in Richmond, Contra Costa County, CA 94801.