Bay Builder, B General Building Contractor in Martinez, CA
Bay Builder operating as a sole owner holds an active California contractor license (CSLB #560340), valid through Jan 31, 2027. First issued in 1989, the license has been on the CSLB roster for 37 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 Martinez, in Contra Costa County, California.
- License Number
- 560340
- Issued
- Mar 13, 1989
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Sole Owner
- Surety
- Ohio Casualty Insurance Company (the)
- Bond Number
- 999460524
- Effective
- Feb 8, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 13, 2024
- 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 Bay Builder licensed in California?
Yes. Bay Builder holds California Contractors State License Board license number 560340, which is active and in good standing. The license was first issued on March 13, 1989. It is valid through January 31, 2027.
What does Bay Builder specialize in?
Bay Builder is licensed for one CSLB classification: B General Building Contractor.
Where is Bay Builder headquartered?
Bay Builder is headquartered at 129 Berrellesa St, Martinez, CA 94553, in Contra Costa County, California.
Does Bay Builder have an active surety bond on file with CSLB?
Yes. Bay Builder has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).
Does Bay Builder carry workers' compensation coverage?
Bay Builder reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Bay Builder's contractor license?
You can verify Bay Builder's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=560340.
- License issuedMar 13, 1989
- WC coverage startsDec 13, 2024
- Bond activeFeb 8, 2026
- License expiresJan 31, 2027
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