Contractor License Proof

Wong John

Licensed

Verified against CSLB on · View on CSLB

License details

License number
931550
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
April 18, 2009 – May 31, 2027

Business

  • (626) 272 6938 (CSLB public record)
  • 3828 WALNUT GROVE AVENUE, Rosemead, CA 91770Los Angeles County

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Frequently asked questions

Is Wong John licensed in California?

Yes. Wong John holds an active California state contractor license (CSLB #931550), verified against the CSLB public record on June 17, 2026.

What is Wong John's CSLB license number?

Wong John's California contractor license number is 931550. 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 Wong John licensed for?

Wong John is classified under General Building (B) by the CSLB.

How do I verify Wong John's license myself?

Look up license #931550 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 #931550 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.