Ng Calvin, B General Building Contractor in Hillsborough, CA
Ng Calvin operating as a sole owner holds an active California contractor license (CSLB #1031040), valid through Sep 30, 2027. First issued in 2017, the license has been on the CSLB roster for 9 years. It carries 2 CSLB classifications: B General Building Contractor and C-27 Landscaping Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Hillsborough, in San Mateo County, California.
- License Number
- 1031040
- Issued
- Sep 14, 2017
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800209907
- Effective
- Aug 30, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 2, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Ng Calvin licensed in California?
Yes. Ng Calvin holds California Contractors State License Board license number 1031040, which is active and in good standing. The license was first issued on September 14, 2017. It is valid through September 30, 2027.
What does Ng Calvin specialize in?
Ng Calvin is licensed for 2 CSLB classifications: B General Building Contractor and C-27 Landscaping Contractor.
Where is Ng Calvin headquartered?
Ng Calvin is headquartered at 31 Farm Lane, Hillsborough, CA 94010, in San Mateo County, California.
Does Ng Calvin have an active surety bond on file with CSLB?
Yes. Ng Calvin has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Ng Calvin carry workers' compensation coverage?
Ng Calvin reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ng Calvin's contractor license?
You can verify Ng Calvin's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1031040.
- License issuedSep 14, 2017
- Bond activeAug 30, 2025
- WC coverage startsSep 2, 2025
- License expiresSep 30, 2027
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