River House, a 1930s co-op apartment tower on the East River, wants to turn its private club into New York's largest and most expensive home, a 62,000-square-foot residence with a price of $130 million.
River House, a 1930s co-op apartment tower on the East River, wants to turn its private club into New York's largest and most expensive home, a 62,000-square-foot residence with a price of $130 million.