Agnews Developmental Center

Agnews Insane Asylum
Location4000 Lafayette St., Santa Clara, California, 3500 Zanker Rd., San Jose, California
Coordinates37°23′38″N 121°57′10″W / 37.39389°N 121.95278°W / 37.39389; -121.95278
Built1906
ArchitectStocking, Leonard, State Architect; George C. Sellon, George McDougall
Architectural styleMission RevivalSpanish Colonial Revival
NRHP reference No.97000829
Added to NRHPAugust 13, 1997

Agnews Developmental Center was a state institution located on two campuses in the U.S. state of California; one in Santa Clara and one in San Jose. Founded in 1885 as a psychiatric facility for the mentally ill, it operated for over a century before closing in stages between 1998 and 2011. Over time, its mission expanded to include people with developmental disabilities, which became its sole focus after psychiatric programs were discontinued in 1972 following deinstitutionalization.