Hopper William C
Verified against CSLB on · View on CSLB
License details
- License number
- 645446
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- 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 Hopper William C licensed in California?
Yes. Hopper William C holds an active California state contractor license (CSLB #645446), verified against the CSLB public record on June 17, 2026.
What is Hopper William C's CSLB license number?
Hopper William C's California contractor license number is 645446. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=645446
What kind of work is Hopper William C licensed for?
Hopper William C is classified under General Building (B) by the CSLB.
How do I verify Hopper William C's license myself?
Look up license #645446 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=645446. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.