CALIFORNIA ARCHITECTS BOARD Licensing details for: C 17977 Name: CHEN, YI-TSO JEFF License Type: Architect License Status: CURRENT CURRENT - License is valid until expiration date indicated and will expire unless renewed. Address 1019 MISSION STREETSAN FRANCISCO CA 94103SAN FRANCISCO countyMap Issuance Date March 26, 1987 Expiration Date September 30, 2027 Current Date / TimeNovember 6, 20268:39:11 AM