Kosanke & Son Const, B General Building Contractor in Cambria, CA
Kosanke & Son Const operating as a sole owner holds an active California contractor license (CSLB #598432), valid through Sep 30, 2027. First issued in 1990, the license has been on the CSLB roster for 36 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Ohio Casualty Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Cambria, in San Luis Obispo County, California.
- License Number
- 598432
- Issued
- Jul 18, 1990
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- Ohio Casualty Insurance Company (the)
- Bond Number
- D10255C
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 22, 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 Kosanke & Son Const licensed in California?
Yes. Kosanke & Son Const holds California Contractors State License Board license number 598432, which is active and in good standing. The license was first issued on July 18, 1990. It is valid through September 30, 2027.
What does Kosanke & Son Const specialize in?
Kosanke & Son Const is licensed for one CSLB classification: B General Building Contractor.
Where is Kosanke & Son Const headquartered?
Kosanke & Son Const is headquartered at 220 Kendall Ln, Cambria, CA 93428, in San Luis Obispo County, California.
Does Kosanke & Son Const have an active surety bond on file with CSLB?
Yes. Kosanke & Son Const has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).
Does Kosanke & Son Const carry workers' compensation coverage?
Kosanke & Son Const reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Kosanke & Son Const's contractor license?
You can verify Kosanke & Son Const's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=598432.
- License issuedJul 18, 1990
- Bond activeJan 1, 2023
- WC coverage startsAug 22, 2025
- License expiresSep 30, 2027
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