Outdoor, Large, Concrete, Small, Swimming, Trees, Wood, Back Yard, Horizontal, Retaining, and Plunge In homage to the traditions of Richard Neutra and Gregory Ain who built extensively in the area, the form of the 2,600-square-foot house, which includes an outdoor pool, emerged from the concept of building incrementally upward in steps along the slope.   Best Outdoor Concrete Plunge Photos from A Tiered Home in Los Angeles Hugs a Steep Slope