Diablo Plumbing Inc
Pleasanton · Alameda County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Diablo Plumbing Inc 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
The verified record
- CSLB license
- #570711 verify on CSLB ↗
- Classifications
- C-36
- Years licensed
- 37.1 years since 06/13/1989
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ comp
- Current A I U INSURANCE COMPANY
- Business type
- Corporation
- Qualifying principal
- John William Ontiveros
- Address of record
- 7074 Commerce Cr #d, Pleasanton, CA 94588
Frequently Asked Questions
Is Diablo Plumbing Inc a licensed Plumbing contractor in California?
Yes. Diablo Plumbing Inc holds California CSLB contractor license #570711 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Diablo Plumbing Inc licensed to perform?
License #570711 carries C-36 (Plumbing).
Is Diablo Plumbing Inc bonded?
Yes. Diablo Plumbing Inc carries contractor's bond #SC6083252 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.
Does Diablo Plumbing Inc carry workers' compensation insurance?
Workers' compensation status on file: Leasing Firm, Temp Agency, etc.
How long has Diablo Plumbing Inc held its contractor license?
License #570711 was originally issued on 06/13/1989, approximately 37 years ago (as of July 2026).
Where is Diablo Plumbing Inc located?
Diablo Plumbing Inc is based in Pleasanton, Alameda County, CA 94588.