Winsol Construction, B General Building Contractor in San Mateo, CA
Winsol Construction operating as a corporation holds an active California contractor license (CSLB #1139358), valid through Jun 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries 2 CSLB classifications: B General Building Contractor and C-61/D-41 Siding and Decking Contractor. Records show an active surety bond on file with North River Insurance Company (the) and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in San Mateo, in San Mateo County, California.
- License Number
- 1139358
- Issued
- Jun 24, 2025
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF644573
- Effective
- Jun 16, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC03517900
- Effective
- Jun 25, 2025
- Expires
- Jun 25, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Winsol Construction licensed in California?
Yes. Winsol Construction holds California Contractors State License Board license number 1139358, which is active and in good standing. The license was first issued on June 24, 2025. It is valid through June 30, 2027.
What does Winsol Construction specialize in?
Winsol Construction is licensed for 2 CSLB classifications: B General Building Contractor and C-61/D-41 Siding and Decking Contractor.
Where is Winsol Construction headquartered?
Winsol Construction is headquartered at 1900 S Norfolk St #360, San Mateo, CA 94403, in San Mateo County, California.
Does Winsol Construction have an active surety bond on file with CSLB?
Yes. Winsol Construction has an active California contractor surety bond filed with North River Insurance Company (the).
Does Winsol Construction carry workers' compensation coverage?
Winsol Construction has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.
How do I verify Winsol Construction's contractor license?
You can verify Winsol Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1139358.
- Bond activeJun 16, 2025
- License issuedJun 24, 2025
- WC coverage startsJun 25, 2025
- WC expiredJun 25, 2026
- License expiresJun 30, 2027
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