Located in the northern portion of the San Ramon Valley, the Danville Area includes the unincorporated communities of Alamo, Diablo and Blackhawk. Quality housing, good weather, outstanding schools, and reasonable access to San Francisco are among the factors which attract people to settle in Danville. There is a strong emphasis on quality education in the Valley. Public schools rank among the best in California. There are also excellent private and parochial schools. The real estate market is characterized by both growth and stability. The area has an increasingly diverse employment base in businesses such as transportation, communication and finance with Bishop Ranch being the corporate headquarters for Chevron, AT&T, and other global companies.