Filming locations for The Good Girl starring Jennifer Anniston & Jake Gyllenhaal was filmed on location in Glendale, Harbor City, Simi Valley & Santa Clarita in the California state. Locations: 2790 East Los Angeles Avenue, Simi Valley, California, USA (Retail Rodeo) Google Maps Co-ordinates: 34.270879, -118.742226 25103 Fourl Road, Santa Clarita, California, USA (Justine’s Home) (Built…