Doug Buenz specializes in Tri Valley California real estate, including the communities of Pleasanton CA, Ruby Hill, Dublin CA, San Ramon CA, Danville CA, Blackhawk CA, Alamo CA, and Livermore CA. As a real estate agent, Doug provides expert real estate services for buyers and sellers in the Tri Valley. 680 Homes offers visitors the opportunity to search for homes, properties, and real estate in the Pleasanton, Dublin, San Ramon, Danville, Blackhawk, Alamo, and Livermore California area. Search East Bay MLS listings, search by interactive map, search by neighborhood, search featured homes, search for luxury homes & estates. 680 Homes is your ultimate source for information on real estate, homes for sale, and properties for sale in Pleasanton CA and surrounding cities of the Tri-Valley region of California.