Sherman Oaks Known as the Round Valley Tree House, this three-bedroom home looks out on the city and mountains from a wooded hillside. Built in 1935 in modern farmhouse style and recently gut-renovated, the house features an open living area with eat-in chef’s kitchen and retractable glass wall leading to the viewing deck, and a principal suite with accordion doors to the upper deck. The landscaped property includes terraced gardens, a dining patio, and a street-level garage. $2,595,000. Shamon Shamonki, Sotheby’s International Realty–Brentwood Brokerage, (310) 481-4372
Venice “Radius House,” built this year, was designed by the L.A.-based architecture studio Pentagon. The sculptural four-bedroom home has European white oak and radiantheat cement floors, Venetian plaster walls, curved walnut-clad shelving, picture windows, and an angled grand staircase circling an atrium, lit by…