Seneca Farms - Buford, GA Homes for Sale. Homes for sale in Seneca Farms, Buford, GA! View large photos, detailed maps, schools, listing and price history as well as payment calculators. All listing data provided through the Athens MLS, FMLS, and Georgia MLS. Search Seneca Farms real estate. Properties updated continuously. Seneca Farms homes for sale and real estate listings.