Single Family Home for sale by owner in Topsham, ME 04086. Realize two dreams in one in this open concept tree house of a home! IT WAS ORIGINALLY A WAREHOUSE and is zoned R-3 for owner operator business. The garage is wired for any kind of workshop. kilns, wordworking, welding.... your imagination is the limit. The main floor has 4 bedrooms with large closets, a laundry room, den, great room and large eat in kitchen, the gambrel roof ( 2007 the roof was redone) makes it inexpensive to heat with ... See site for full property details.