Diamond Stone Fabrication, C-54 Ceramic and Mosaic Tile Contractor in Castro Valley, CA
Diamond Stone Fabrication operating as a sole owner holds an active California contractor license (CSLB #984393), valid through Jun 30, 2027. First issued in 2013, the license has been on the CSLB roster for 13 years. It carries a single CSLB classification: C-54 — Ceramic and Mosaic Tile Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Castro Valley, in Alameda County, California.
- License Number
- 984393
- Issued
- Jun 10, 2013
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G140716361204
- Effective
- Jul 13, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 28, 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 Diamond Stone Fabrication licensed in California?
Yes. Diamond Stone Fabrication holds California Contractors State License Board license number 984393, which is active and in good standing. The license was first issued on June 10, 2013. It is valid through June 30, 2027.
What does Diamond Stone Fabrication specialize in?
Diamond Stone Fabrication is licensed for one CSLB classification: C-54 Ceramic and Mosaic Tile Contractor.
Where is Diamond Stone Fabrication headquartered?
Diamond Stone Fabrication is headquartered at 2657 Miramar Ave, Castro Valley, CA 94546, in Alameda County, California.
Does Diamond Stone Fabrication have an active surety bond on file with CSLB?
Yes. Diamond Stone Fabrication has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does Diamond Stone Fabrication carry workers' compensation coverage?
Diamond Stone Fabrication reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Diamond Stone Fabrication's contractor license?
You can verify Diamond Stone Fabrication's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=984393.
- License issuedJun 10, 2013
- Bond activeJul 13, 2024
- WC coverage startsMay 28, 2025
- License expiresJun 30, 2027
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