Tech moguls are transforming the Southern California metropolis and its luxury real estate market. : (Bloomberg) -- First came the celebrities: Jennifer Aniston and Courteney Cox moved to Trousdale in the early 2000s, bringing Hollywood cachet to the Beverly Hills enclave. Then the tech moguls arrived, and Trousdale is now among the most expensive in neighborhoods in the Los Angeles area -- commanding the highest price per square foot, according to Rayni Williams, who has sold about $95 million worth of property in the community in 2019.