Ralston Hall Mansion located in Belmont, California, was the country house of William Chapman Ralston, a San Francisco businessman, a founder of the Bank of California, and a financier of the Comstock Lode. It is an opulent Italianate Villa, modified with touches of Steamboat Gothic and Victorian details. It is a California Historical Landmark After Gardner's death in 1913 the hospital became less popular and finally closed after World War I in 1922.
Sisters of Notre Dame de Namur (1922–to present)
The sanitarium closed after World War I. In 1922, the Sisters of Notre Dame de Namur bought the mansion as a location for their college. The mansion is owned by the Notre Dame de Namur University. In 1966, Ralston Hall was designated a National Historic Landmark and in 1972, it became a California registered Historic Landmark.