Contractor License Proof

William C Hopper

Licensed

Verified against CSLB on · View on CSLB

License details

License number
645446
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 19, 1992 – May 31, 2028

Business

  • (702) 427 8334 (CSLB public record)
  • 600 17TH ST # 2800, Denver, CO 80202

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Frequently asked questions

Is William C Hopper licensed in California?

Yes. William C Hopper holds an active California state contractor license (CSLB #645446), verified against the CSLB public record on September 28, 2026.

What is William C Hopper's CSLB license number?

William C Hopper's California contractor license number is 645446. 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 William C Hopper licensed for?

William C Hopper is classified under General Building (B) by the CSLB.

How do I verify William C Hopper's license myself?

Look up license #645446 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 September 28, 2026.

Verify it yourself: How to verify a California contractor license · Look up #645446 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.