Exterior, House Building Type, Metal Siding Material, Concrete Siding Material, Butterfly RoofLine, and Metal Roof Material Set on five acres, the three pavilions total 2,900 square feet. They gently fan out in a semicircle “like the charms on a necklace,” Suzanne says. The pair recruited landscape designer Bernard Trainor to help integrate the house with the land.  Photo 1 of 6 in Focus on Feldman Architecture’s Environmentally-Conscious Homes from Sustainable Retirement Home in Tune with California Landscape