Island & Son Construction, B General Building Contractor in San Mateo, CA
Island & Son Construction operating as a sole owner holds an active California contractor license (CSLB #530990), valid through May 31, 2028. 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 Mateo, in San Mateo County, California.
- License Number
- 530990
- Issued
- May 25, 1988
- Status
- CLEAR
- Expires
- May 31, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67368122
- Effective
- Jun 1, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 6, 2026
- 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 Island & Son Construction licensed in California?
Yes. Island & Son Construction holds California Contractors State License Board license number 530990, which is active and in good standing. The license was first issued on May 25, 1988. It is valid through May 31, 2028.
What does Island & Son Construction specialize in?
Island & Son Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Island & Son Construction headquartered?
Island & Son Construction is headquartered at 701 Bucknell Drive, San Mateo, CA 94402, in San Mateo County, California.
Does Island & Son Construction have an active surety bond on file with CSLB?
Yes. Island & Son Construction has an active California contractor surety bond filed with Western Surety Company.
Does Island & Son Construction carry workers' compensation coverage?
Island & Son Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Island & Son Construction's contractor license?
You can verify Island & Son Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=530990.
- License issuedMay 25, 1988
- Bond activeJun 1, 2025
- WC coverage startsApr 6, 2026
- License expiresMay 31, 2028
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