Contractor License Proof

Derek Rosen

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1076594
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
June 7, 2021 – June 30, 2027

Business

  • (415) 933 9074 (CSLB public record)
  • 8886 WINDSOR RD, Windsor, CA 95492Sonoma County

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What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Derek Rosen licensed in California?

Yes. Derek Rosen holds an active California state contractor license (CSLB #1076594), verified against the CSLB public record on August 4, 2026.

What is Derek Rosen's CSLB license number?

Derek Rosen's California contractor license number is 1076594. 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 Derek Rosen licensed for?

Derek Rosen is classified under General Building (B) by the CSLB.

How do I verify Derek Rosen's license myself?

Look up license #1076594 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 August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1076594 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.