Stunning custom-built colonial on picturesque Green Rd is available for the first time! Surrounded by rolling expanses of green lawn and mature gardens and trees, this home will be the center of all your celebrations! It boasts a wide open-concept eat-in kitchen with 10ft granite island, newer stainless appliances including gas cooktop and double wall ovens. A sunny dining area adjoins a cozy wood fireplaced sitting room--a perfect setting for large gatherings--while a large office/formal dining room connects to a gracious front living room via French doors and then on to a handsome front entry with turned wood staircase. A handy mud room with 2 closets, 1/2 bath and 2 exterior doors plus a second staircase upstairs works hard to keep the dirt at bay. 2nd floor includes 4 spacious bedrooms including a sprawling primary suite with updated quartz bathroom with oversized soaking tub and tile shower. Another ensuite bedroom with full bath along with 2 additional bedrooms and bright laundry room lead to an updated main bathroom with new quartz counters. Completing this level is a large multipurpose room over the 3-car garage with adjoining side office or 5th bedroom, perfect for guests! Loads of space with hardwood floors throughout and an oversized screen porch and deck overlooking the rolling fields and woods beyond. This magnificent home offers over 4000sf of living space in desirable Amherst with top-rated schools, and easy access to commuting, shopping and the great outdoors!