Contractor License Proof

Black Oak Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
605964
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
November 5, 1990 – November 30, 2026

Business

  • (925) 788 7194 (CSLB public record)
  • P O BOX 531, Clayton, CA 94517Contra Costa County

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What to check next

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Frequently asked questions

Is Black Oak Construction licensed in California?

Yes. Black Oak Construction holds an active California state contractor license (CSLB #605964), verified against the CSLB public record on June 17, 2026.

What is Black Oak Construction's CSLB license number?

Black Oak Construction's California contractor license number is 605964. 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 Black Oak Construction licensed for?

Black Oak Construction is classified under General Building (B) by the CSLB.

How do I verify Black Oak Construction's license myself?

Look up license #605964 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 #605964 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.