Sierra Towers is a residential 31-story high-rise condominium building in West Hollywood, California, United States. located at 9255 Doheny Road, adjacent to Beverly Hills. It was designed by the renownedd Beverly Hills contemporary architect Jack A. Charney, who studied under Richard Neutra and Rudolph Schindler. Built in 1965 as an apartment building, it was originally called the Spoon Apartment Building.