Kelvin Zeng
Kelvin Zeng operating as a sole owner is licensed in California under CSLB number 1145891. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Francisco, in San Francisco County, California.
- License Number
- 1145891
- Issued
- Nov 3, 2025
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 73767124
- Effective
- Oct 27, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 2, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
- License issued less than 2 years ago
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Kelvin Zeng licensed in California?
Yes. Kelvin Zeng holds California Contractors State License Board license number 1145891. The license was first issued on November 3, 2025. It is valid through November 30, 2027.
What does Kelvin Zeng specialize in?
Kelvin Zeng is licensed for 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-10 Electrical Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor.
Where is Kelvin Zeng headquartered?
Kelvin Zeng is headquartered at 236 West Portal Ave #48, San Francisco, CA 94127, in San Francisco County, California.
Does Kelvin Zeng have an active surety bond on file with CSLB?
Yes. Kelvin Zeng has an active California contractor surety bond filed with Western Surety Company.
Does Kelvin Zeng carry workers' compensation coverage?
Kelvin Zeng reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Kelvin Zeng's contractor license?
You can verify Kelvin Zeng's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1145891.
- Bond activeOct 27, 2025
- WC coverage startsNov 2, 2025
- License issuedNov 3, 2025
- License expiresNov 30, 2027
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