10 Universal City Plaza (10 UCP) is a 35-story,  rhombic skyscraper in the Universal City/Studio City and Burbank Media District submarket of Los Angeles, California. The tower was completed in 1984 by Hathaway Dinwiddie, and was designed by Skidmore, Owings & Merrill, and contains of office space. It is the tallest building in the San Fernando Valley.