Contractor License Proof

Only One Construction Co

Licensed

Verified against CSLB on · View on CSLB

License details

License number
831498
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
January 29, 2004 – January 31, 2028

Business

  • (510) 750 5891 (CSLB public record)
  • 239 SUNSET BLVD, Hayward, CA 94541Alameda County

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Frequently asked questions

Is Only One Construction Co licensed in California?

Yes. Only One Construction Co holds an active California state contractor license (CSLB #831498), verified against the CSLB public record on June 17, 2026.

What is Only One Construction Co's CSLB license number?

Only One Construction Co's California contractor license number is 831498. 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 Only One Construction Co licensed for?

Only One Construction Co is classified under General Building (B) by the CSLB.

How do I verify Only One Construction Co's license myself?

Look up license #831498 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 #831498 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.