West Hills is an affluent residential and commercial neighborhood in the western San Fernando Valley region of Los Angeles, California. The percentage of residents aged 35 and older is among the highest in Los Angeles County. The neighborhood was formerly the home of many Native American tribes, and during the early Spanish and Mexican era was part of the Mission San Fernando Rey de España. In the American era, West Hills was part of Owensmouth, which was renamed Canoga Park in 1930. West Hills was established in western Canoga Park and retained its present name in 1987.