Farm or Ranch for sale by owner in Winterport, ME 04496. Maine Barn for Sale. Prime 5 acre building lot with views of distant hills and a small pond. This is huge wonderful 4 story vintage commercial barn. Modern additions distinct from the original barn, 175 ft by 50 ft., over 70,000 square feet. Endless conversion/use possibilities (no zoning). One of the front additions could easily be converted to professional, office, or dwelling with expansive mountain views. There are numerous possible si... See site for full property details.