West Hills, CA

West Hills is a district in the western San Fernando Valley region of Los Angeles, California. West Hills is bordered by Chatsworth and Chatworth Reservoir to the north, Canoga Park to the east, Woodland Hills to the south, Hidden Hills to the southwest, and the Simi Hills with the Upper Las Virgenes Canyon Open Space Preserve and Bell Canyon to the west. 

Information found at http://en.wikipedia.org/wiki/West_Hills,_Los_Angeles

Page 72-73: “Nothing was moving, anywhere, there were no messages on her machine and only six people had showed up for the realtors’ open house she’d catered herself on a new listing in West Hills—all that Chardonnay, Brie and Danish soda bread gone to waste, not to mention half a platter of California roll, ebi and salmon sushi.”