Hayward Sisters Hospital dba St. Rose Hospital (The Hospital) owns and operates a general acute care hospital located in Hayward, California, and is the sole corporate member of St. Rose Foundation and Saint Rose Medical Building, Inc. Founded in 1962, the hospital is currently licensed for 171 beds and has an active medical staff of over 284. The Hospital's primary service area is in the southern sub-region of Alameda County, with a population of nearly 800,000, which includes the cities of Fremont, Hayward, Newark, San Leandro, San Lorenzo, and Union City. The Hospital is situated in a predominantly working-class section of Hayward, and its primary service area encompasses the cities of Hayward and Union City.