This stunning 3900 sf 4 BR, 4 1/2 bath home was built in 1867 by famed architect William Fenno Pratt, but underwent a down-to-the-studs renovation & restoration in 2008 & w/ the addition of geothermal power & 13.5 kw of PV panels, it is a fully NET ZERO home, situated right in the heart of downtown Northampton! Located on a double-sized lot, it is perfect for gardening, or even adding a studio, offices or condos! The bright modern open LR/DR/kitchen floorplan is spacious, bright & easily flows into a screened-in porch & onto an outside ipe & mahogany deck. There is a huge heated mudroom & pantry too! You will enjoy high-end finishes throughout, from the SS appliances, soapstone & fossilized limestone countertops, wood FP, maple flooring, solid hardwood doors, a dog-washing station, crystal doorknobs & wool carpeting. Part of the 1st floor is designed for easy conversion to BR w/ a handicap-accessible bath. Hyper-insulated, this house is QUIET, & HVAC, electricity & hot water is FREE!