Cosentino Plumbing & Backflow Services
San Bruno · San Mateo County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Cosentino Plumbing & Backflow Services 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
- #291550 verify on CSLB ↗
- Classifications
- B, C-36
- Years licensed
- 52.4 years since 02/20/1974
- Contractor bond
- $25,000 MERCHANTS BONDING COMPANY (MUTUAL)
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- Owen Angelo Cosentino, Kenneth Howard Byrne
- Address of record
- 456 Beech Ave, San Bruno, CA 94066
Frequently Asked Questions
Is Cosentino Plumbing & Backflow Services a licensed Plumbing contractor in California?
Yes. Cosentino Plumbing & Backflow Services holds California CSLB contractor license #291550 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Cosentino Plumbing & Backflow Services licensed to perform?
License #291550 carries C-36 (Plumbing), plus additional classifications: B.
Is Cosentino Plumbing & Backflow Services bonded?
Yes. Cosentino Plumbing & Backflow Services carries contractor's bond #101777302 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).
Does Cosentino Plumbing & Backflow Services carry workers' compensation insurance?
Workers' compensation status on file: Exempt.
How long has Cosentino Plumbing & Backflow Services held its contractor license?
License #291550 was originally issued on 02/20/1974, approximately 52 years ago (as of July 2026).
Where is Cosentino Plumbing & Backflow Services located?
Cosentino Plumbing & Backflow Services is based in San Bruno, San Mateo County, CA 94066.