Contractor License Proof

Blackstone S R Construction Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
520142
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
November 2, 1987 – November 30, 2027

Business

  • (510) 593 8817 (CSLB public record)
  • 2941 DOMINIC COURT, Castro Valley, CA 94546Alameda County

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Frequently asked questions

Is Blackstone S R Construction Inc licensed in California?

Yes. Blackstone S R Construction Inc holds an active California state contractor license (CSLB #520142), verified against the CSLB public record on June 17, 2026.

What is Blackstone S R Construction Inc's CSLB license number?

Blackstone S R Construction Inc's California contractor license number is 520142. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Blackstone S R Construction Inc licensed for?

Blackstone S R Construction Inc is classified under General Building (B) by the CSLB.

How do I verify Blackstone S R Construction Inc's license myself?

Look up license #520142 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #520142 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.