Contractor License Proof

Guoyun Qin

Licensed

Verified against CSLB on June 17, 2026 · View on CSLB

License details

License number: 1144180
Status: Active
Classifications: B · General Building
Contractor bond: $25,000
Workers' comp: ExemptNo employees — not a red flag.
License term on file: September 26, 2025 – September 30, 2027

Business

(415) 691 5546 (CSLB public record)
213 NORWICH DR, South San Francisco, CA 94080San Mateo County

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What to check next

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Frequently asked questions

Is Guoyun Qin licensed in California?

Yes. Guoyun Qin holds an active California state contractor license (CSLB #1144180), verified against the CSLB public record on June 17, 2026.

What is Guoyun Qin's CSLB license number?

Guoyun Qin's California contractor license number is 1144180. 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 Guoyun Qin licensed for?

Guoyun Qin is classified under General Building (B) by the CSLB.

How do I verify Guoyun Qin's license myself?

Look up license #1144180 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 #1144180 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.