This contemporary residence LEED Platinum home that spans four levels on a hill of Mill Valley, California. It is designed by San Francisco-based SB Architects, and built by well-known green builder McDonald Construction. The steep hillside site provides for a very vertical design with living and private zones situated on multiple separate floors. The total area of interior spaces is 2,116 square feet while balconies and decks took up 1,567 square feet. These outdoor areas features stunning views of the bay and the San Francisco skyline beyond. The exterior and the interior both are done with using mostly natural materials. Among house’s green features are: low-flow fixtures, efficient LED lighting, Energy Star appliances, whole house automation, solar thermal, solar PV, and many others.