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Guoyun Qin

License #1144180·Sole Owner·South San Francisco, San Mateo County
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Summary

Guoyun Qin operating as a sole owner is licensed in California under CSLB number 1144180. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in South San Francisco, in San Mateo County, California.

Business Information
Address
213 Norwich Dr
South San Francisco, CA 94080
License Details & Classifications
License Number
1144180
Issued
Sep 26, 2025
Status
CLEAR
Expires
Sep 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100983848
Effective
Aug 7, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Sep 8, 2025
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
  • License issued less than 2 years ago
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Guoyun Qin licensed in California?

Yes. Guoyun Qin holds California Contractors State License Board license number 1144180. The license was first issued on September 26, 2025. It is valid through September 30, 2027.

What does Guoyun Qin specialize in?

Guoyun Qin is licensed for one CSLB classification: B General Building Contractor.

Where is Guoyun Qin headquartered?

Guoyun Qin is headquartered at 213 Norwich Dr, South San Francisco, CA 94080, in San Mateo County, California.

Does Guoyun Qin have an active surety bond on file with CSLB?

Yes. Guoyun Qin has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Guoyun Qin carry workers' compensation coverage?

Guoyun Qin reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Guoyun Qin's contractor license?

You can verify Guoyun Qin's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1144180.

Activity Timeline
  1. Bond activeAug 7, 2025
  2. WC coverage startsSep 8, 2025
  3. License issuedSep 26, 2025
  4. License expiresSep 30, 2027
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