Stunningly beautiful south Williamstown home on 22 acres looking out at Mt Greylock with magical views from nearly every room. A light-filled, south facing country contemporary designed and built with meticulous care in 2017. The 4 bedroom, 4 bath home offers a state of the art gourmet kitchen open to a spacious dining area and three-season 'porch' that overlooks a gunite koi ''pond. ''1st floor includes a fire-placed living room with hardwood floors and French doors to deck, plus a study with built in bookshelves and gas fireplace and media room. The 2nd floor offers a handsomely appointed primary bedroom with walk in closet and luxurious ensuite bath accessing a private deck and adjacent study. 3 more bedrooms 2 baths and laundry room complete the 2nd floor. Spectacular Berkshire home. A finished basement with extra ceiling height offers a game room with fire place and exercise room. Energy efficient with 40 owned solar panels, 2 Tesla power walls, closed cell foam insulation interior of house, 2.5 inches of foam board/2 inches of zip wall on exterior, foundation is fully insulated with closed cell foam on interior and 2 inch form board on exterior. Plus an oversized heated garage, 2 barns and fire hydrant. Kumaru decking and lpe walls in 3 season room.