Modesto State Hospital was a public psychiatric hospital in the city of Modesto in Stanislaus County, California, and was established in 1946, opened in late-1947 and closed in 1972.

Modesto State Hospital was purchased from the United States federal government in November 1946 (under statutes 1946, ch.

[1] The hospital operated as a temporary state mental hospital and when it opened in late-1947 it took in patients from other overcrowded state hospitals, specifically the mentally ill and the mentally deficient patients.

[1][2] By September 1951 the Hospital started an admissions department and receive new psychiatric patients.

[1][4] This hospital was one of the many state asylums that had sterilization centers.