O N S, B General Building Contractor in San Francisco, CA
O N S operating as a sole owner holds an active California contractor license (CSLB #1032869), valid through Nov 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-10 Electrical 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
- 1032869
- Issued
- Nov 14, 2017
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67411936
- Effective
- Jul 6, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 23, 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 O N S licensed in California?
Yes. O N S holds California Contractors State License Board license number 1032869, which is active and in good standing. The license was first issued on November 14, 2017. It is valid through November 30, 2027.
What does O N S specialize in?
O N S is licensed for 2 CSLB classifications: B General Building Contractor and C-10 Electrical Contractor.
Where is O N S headquartered?
O N S is headquartered at 550 Congo Street, San Francisco, CA 94131, in San Francisco County, California.
Does O N S have an active surety bond on file with CSLB?
Yes. O N S has an active California contractor surety bond filed with Western Surety Company.
Does O N S carry workers' compensation coverage?
O N S reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify O N S's contractor license?
You can verify O N S's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1032869.
- License issuedNov 14, 2017
- Bond activeJul 6, 2025
- WC coverage startsNov 23, 2025
- License expiresNov 30, 2027
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