Stevenson Ranch, California is an affluent community in Los Angeles County, California. The community is located in the Santa Clarita Valley.  Stevenson Ranch is set in the foothills of the Santa Susana Mountains and lies west of Interstate 5.

The Valencia Marketplace and Stevenson Ranch Shopping Center are popular shopping areas in the community. The elementary, junior high, and high school are award-winning schools. Six Flags Magic Mountain, an amusement park, is located about 3 miles north of the community.  It is also the filming location of several film and television productions, including the television show Weeds, a Showtime original series, as well as the feature film Pleasantville.