Thousand Oaks, commonly referred to as "TO" by residents, is a city in southeastern Ventura County, California. Thousand Oaks, California was named after the many oak trees that grace the area, and the Thousand Oaks, CA seal is adorned with an oak. Thousand Oaks, California forms the most populated part of a regional area called the Conejo Valley, which includes Thousand Oaks proper, Newbury Park, Westlake Village, Agoura Hills, and Oak Park. The Los Angeles County/Ventura County line crosses at the western city limits of Westlake Village, California. The City of Thousand Oaks was part of a master planned city, created by the Janss Investment Company in the mid-1950s. Thousand Oaks, CA included about 1000 custom home lots, 2000 single-family residences, a regional shopping center, industrial park and several neighborhood shopping centers. The median home price in Thousand Oaks, California is around $673000 . Thousand Oaks, California is located in the northwestern area of the Greater Los Angeles Area. In 2006, Thousand Oaks, California was named one of Money magazine's Best Places to Live. The City of Thousand Oaks was incorporated on October 7, 1964