License holder summary

FRANK DUFFY & SONS is a Contractor licensed to practice in California. The address on file for FRANK DUFFY & SONS is 2171 21ST AVENUE, SAN FRANCISCO, CA 94116. This contractor license is not current. The license was granted 04/29/1991 and expired on 04/30/1997.

Department of Consumer Affairs

California State License Board

FRANK DUFFY & SONS
Contractor
License number
618642
Date granted
04/29/1991
Date expires
04/30/1997
Class
Contractor
Status
Expired
Address
2171 21ST AVENUE, SAN FRANCISCO, CA 94116
contractorscalifornia.org
ID 31559000
LAST UPDATED 2026-05-19 12:16:41 UTC

This website is unaffiliated with the California State License Board. Please verify all information directly with the relevant official government authority.

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