Kolby Development Company, B General Building Contractor in San Francisco, CA
Kolby Development Company operating as a sole owner holds California contractor license #530673, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries a single CSLB classification: B — General Building 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
- 530673
- Issued
- May 20, 1988
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67129520
- Effective
- Nov 29, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 30, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Kolby Development Company licensed in California?
Kolby Development Company previously held California Contractors State License Board license number 530673, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 20, 1988.
What does Kolby Development Company specialize in?
Kolby Development Company is licensed for one CSLB classification: B General Building Contractor.
Where is Kolby Development Company headquartered?
Kolby Development Company is headquartered at 1229 Quintara Street, San Francisco, CA 94116, in San Francisco County, California.
Does Kolby Development Company have an active surety bond on file with CSLB?
Yes. Kolby Development Company has an active California contractor surety bond filed with Western Surety Company.
Does Kolby Development Company carry workers' compensation coverage?
Kolby Development Company reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Kolby Development Company's contractor license?
You can verify Kolby Development Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=530673.
- License issuedMay 20, 1988
- WC coverage startsMay 30, 2024
- Bond activeNov 29, 2024
- License expiredMay 31, 2026
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