The Town of Danville is located in the San Ramon Valley in Contra Costa County, California. It is one of the incorporated municipalities in California that uses "town" in its name instead of "city". According to Businessweek, Danville is the 41st most expensive zip code in America. Danville is one of California's top 25 wealthiest cities, and one of the wealthiest suburbs of Oakland and San Francisco.
Danville is home to some of the most expensive real estate and exclusive country clubs in the nation. Adjoining towns and cities are San Ramon to the south, Diablo, and Alamo to the north. Walnut Creek is 9 miles (14 km) north, while Pleasanton is about 12 miles south. Interstate 680 serves as the main means of transport out of the town.
Interstate 680 serves as the main means of transport out of the town.