The exclusive community of Diablo, California is situated between Danville and Blackhawk at the base of Mt. Diablo. Diablo came into being in the early 1900s as a summer vacation spot for San Francisco residents wanting to escape the city's coastal fog. Diablo grew into a year-round community with its own post office and country club. Much of Diablo life centers around the club, which offers members seven tennis courts, a fabulous Jack Neville designed 18-hole golf course, state of the art pool, and a 45,000 square foot clubhouse with restaurants, bars, and meeting rooms.

Reflecting the area's rural character and charm, the post office is a fabulous place to meet and chat with neighbors. The largest and most popular event is the local Ice Cream Social which has been celebrated for over three decades.

Diablo's past can be seen in the eclectic mix of homes found in the area. From summer cottages to modern estates, residents are adamant about preserving the area and its lifestyle. Lots are often large and buyers covet the original summer cottages that carry the history of the local area and can be updated with modern amenities.