Hidden Hills is a city and gated community in Los Angeles County, California. It is located next to the city of Calabasas and is located in the west San Fernando Valley. It is notable for being home to many actors and celebrities. As of the 2010 census it had a population of 1,856.
The community was designed and developed in the 1950s by A.E. Hanson, a Southern California landscape architect and planned community developer. His earlier projects included Rolling Hills and Palos Verdes Estates, and the 1920s Beverly Hills Harold Lloyd Estate ‘Greenacres.