Contractor License Proof

Cosentino Plumbing & Backflow Services

Licensed

Verified against CSLB on · View on CSLB

License details

License number
291550
Status
Active
Classifications
B · General BuildingC-36 · Plumbing
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
February 20, 1974 – February 29, 2028

Business

  • (650) 443 8069 (CSLB public record)
  • 456 BEECH AVE, San Bruno, CA 94066San Mateo County

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Frequently asked questions

Is Cosentino Plumbing & Backflow Services licensed in California?

Yes. Cosentino Plumbing & Backflow Services holds an active California state contractor license (CSLB #291550), verified against the CSLB public record on June 17, 2026.

What is Cosentino Plumbing & Backflow Services's CSLB license number?

Cosentino Plumbing & Backflow Services's California contractor license number is 291550. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Cosentino Plumbing & Backflow Services licensed for?

Cosentino Plumbing & Backflow Services is classified under General Building (B) and Plumbing (C-36) by the CSLB.

How do I verify Cosentino Plumbing & Backflow Services's license myself?

Look up license #291550 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #291550 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.