Contractor License Proof

Olson Jack D Design & Construction Co

Licensed

Verified against CSLB on · View on CSLB

License details

License number
374770
Status
Active
Classifications
B · General BuildingC-12 · Earthwork and Paving
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 25, 1979 – May 31, 2027

Business

  • (510) 377 1297 (CSLB public record)
  • 21617 BAYWOOD AVE, Castro Valley, CA 94546Alameda County

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Frequently asked questions

Is Olson Jack D Design & Construction Co licensed in California?

Yes. Olson Jack D Design & Construction Co holds an active California state contractor license (CSLB #374770), verified against the CSLB public record on June 17, 2026.

What is Olson Jack D Design & Construction Co's CSLB license number?

Olson Jack D Design & Construction Co's California contractor license number is 374770. 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 Olson Jack D Design & Construction Co licensed for?

Olson Jack D Design & Construction Co is classified under General Building (B) and Earthwork and Paving (C-12) by the CSLB.

How do I verify Olson Jack D Design & Construction Co's license myself?

Look up license #374770 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 #374770 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.