Ko Construction, B General Building Contractor in San Francisco, CA
Ko Construction operating as a sole owner holds an active California contractor license (CSLB #1149409), valid through Jan 31, 2028. 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 San Francisco, in San Francisco County, California.
- License Number
- 1149409
- Issued
- Jan 23, 2026
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101026149
- Effective
- Jan 13, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 13, 2026
- 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 Ko Construction licensed in California?
Yes. Ko Construction holds California Contractors State License Board license number 1149409, which is active and in good standing. The license was first issued on January 23, 2026. It is valid through January 31, 2028.
What does Ko Construction specialize in?
Ko Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Ko Construction headquartered?
Ko Construction is headquartered at 933 Jones St, San Francisco, CA 94109, in San Francisco County, California.
Does Ko Construction have an active surety bond on file with CSLB?
Yes. Ko Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Ko Construction carry workers' compensation coverage?
Ko Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ko Construction's contractor license?
You can verify Ko Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1149409.
- Bond activeJan 13, 2026
- WC coverage startsJan 13, 2026
- License issuedJan 23, 2026
- License expiresJan 31, 2028
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