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Blackstone S R Construction INC

License #520142·Corporation·Castro Valley, Alameda County
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Summary

Blackstone S R Construction INC operating as a corporation is licensed in California under CSLB number 520142. The license was first issued in 1987, putting the business at 39 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Castro Valley, in Alameda County, California.

Business Information
Address
2941 Dominic Court
Castro Valley, CA 94546
License Details & Classifications
License Number
520142
Issued
Nov 2, 1987
Status
CLEAR
Expires
Nov 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC650650
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Oct 27, 2025
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Blackstone S R Construction INC licensed in California?

Yes. Blackstone S R Construction INC holds California Contractors State License Board license number 520142. The license was first issued on November 2, 1987. It is valid through November 30, 2027.

What does Blackstone S R Construction INC specialize in?

Blackstone S R Construction INC is licensed for one CSLB classification: B General Building Contractor.

Where is Blackstone S R Construction INC headquartered?

Blackstone S R Construction INC is headquartered at 2941 Dominic Court, Castro Valley, CA 94546, in Alameda County, California.

Does Blackstone S R Construction INC have an active surety bond on file with CSLB?

Yes. Blackstone S R Construction INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Blackstone S R Construction INC carry workers' compensation coverage?

Blackstone S R Construction INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Blackstone S R Construction INC's contractor license?

You can verify Blackstone S R Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=520142.

Activity Timeline
  1. License issuedNov 2, 1987
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 27, 2025
  4. License expiresNov 30, 2027
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