Diamond Plumbing and Rooter

Concord · Contra Costa County · CA

VERIFIED

Bestopedia verdict

90 / 100 Bestopedia Trust Score

California’s contractor board lists Diamond Plumbing and Rooter in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
9.7 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#1019643 verify on CSLB ↗
Classifications
C-36
Years licensed
9.7 years since 10/20/2016
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current NORGUARD INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Hugo Alberto Alvarado-cruz
Address of record
1416 La Vista Ave, Concord, CA 94521

Frequently Asked Questions

Is Diamond Plumbing and Rooter a licensed Plumbing contractor in California?

Yes. Diamond Plumbing and Rooter holds California CSLB contractor license #1019643 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.

What work is Diamond Plumbing and Rooter licensed to perform?

License #1019643 carries C-36 (Plumbing).

Is Diamond Plumbing and Rooter bonded?

Yes. Diamond Plumbing and Rooter carries contractor's bond #100492839 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Diamond Plumbing and Rooter carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with NORGUARD INSURANCE COMPANY, with a policy expiration of 09/12/2026.

How long has Diamond Plumbing and Rooter held its contractor license?

License #1019643 was originally issued on 10/20/2016, approximately 10 years ago (as of July 2026).

Where is Diamond Plumbing and Rooter located?

Diamond Plumbing and Rooter is based in Concord, Contra Costa County, CA 94521.