Duffin Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 760636
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- March 19, 1999 – March 31, 2027
Business
- (415) 340 3044 (CSLB public record)
- P O BOX 210639, San Francisco, CA 94121San Francisco County
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Frequently asked questions
Is Duffin Construction licensed in California?
Yes. Duffin Construction holds an active California state contractor license (CSLB #760636), verified against the CSLB public record on June 17, 2026.
What is Duffin Construction's CSLB license number?
Duffin Construction's California contractor license number is 760636. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=760636
What kind of work is Duffin Construction licensed for?
Duffin Construction is classified under General Building (B) by the CSLB.
How do I verify Duffin Construction's license myself?
Look up license #760636 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=760636. 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.