Duffy Construction LLC
Verified against CSLB on · View on CSLB
License details
- License number
- 1136572
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- April 24, 2025 – December 31, 2027
Business
- (415) 529 0346 (CSLB public record)
- P O BOX 170020, San Francisco, CA 941210020San Francisco County
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Frequently asked questions
Is Duffy Construction LLC licensed in California?
Yes. Duffy Construction LLC holds an active California state contractor license (CSLB #1136572), verified against the CSLB public record on June 17, 2026.
What is Duffy Construction LLC's CSLB license number?
Duffy Construction LLC's California contractor license number is 1136572. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1136572
What kind of work is Duffy Construction LLC licensed for?
Duffy Construction LLC is classified under General Building (B) by the CSLB.
How do I verify Duffy Construction LLC's license myself?
Look up license #1136572 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1136572. 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.