Attend a private, history-led tour of this estate developed by San Francisco businessman Milton Haas. In 1934 Haas purchased the 35-acre Los Altos Hills property to develop a luxurious country retreat. He engaged prominent San Francisco architects to design a $250,000, 17-room English-style manor, an immense sum at that time, as well as built outbuildings and accommodations. The property was considered among the finest on the San Francisco…