Duplex for sale by owner in Johnson City, NY 13790. YOUR BIG EXPENSES ARE OUT OF THE WAY. New roof and sewer line in 2008, window wraps in 2009 New hot water tanks, one replaced in 2009, one in 2011 Must see to appreciate. Two story, two family home, each has 2 bedrooms and 1 bath, nicely renovated, clean, move-in condition. Over-sized wi ... more.