Guoyun Qin, B General Building Contractor in South San Francisco, CA
Guoyun Qin operating as a sole owner holds an active California contractor license (CSLB #1144180), valid through Sep 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. 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.
- License Number
- 1144180
- Issued
- Sep 26, 2025
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100983848
- Effective
- Aug 7, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 8, 2025
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Guoyun Qin licensed in California?
Yes. Guoyun Qin holds California Contractors State License Board license number 1144180, which is active and in good standing. 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.
- Bond activeAug 7, 2025
- WC coverage startsSep 8, 2025
- License issuedSep 26, 2025
- License expiresSep 30, 2027
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