Contractor License Proof

Guang Yang

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1059880
Status
Active
Classifications
A · General EngineeringB · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
November 1, 2019 – November 30, 2027

Business

  • (626) 420 3940 (CSLB public record)
  • 11142 COUNTRY VIEW DR, Rancho Cucamonga, CA 91730San Bernardino County

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What to check next

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Frequently asked questions

Is Guang Yang licensed in California?

Yes. Guang Yang holds an active California state contractor license (CSLB #1059880), verified against the CSLB public record on August 4, 2026.

What is Guang Yang's CSLB license number?

Guang Yang's California contractor license number is 1059880. 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 Guang Yang licensed for?

Guang Yang is classified under General Engineering (A) and General Building (B) by the CSLB.

How do I verify Guang Yang's license myself?

Look up license #1059880 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 August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1059880 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.