Specializing 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. 680 Homes is your source for information on real estate, homes, and properties in Pleasanton and the surrounding Tri-Valley region. Search the East Bay MLS for homes and properties in the East Bay. Search homes and listings by interactive map, search by neighborhood, search featured homes, search for luxury homes & estates, real estate blog, market trends, and more. Get access to extensive community information, including schools, shopping, transportation, arts & entertainment, and more. 680 Homes provides you with all the resources you need to explore real estate in the Tri-Valley region. Sponsored by Doug Buenz, realtor and top producing real estate agent specializing in providing expert services for buyers and sellers for real estate, homes, estates, and properties in the Tri-Valley Region.