Step into this updated Colonial near downtown Acton. Filled with natural light from Palladian windows, it offers an open layout for modern living. The main floor features an open kitchen flowing into a great room/dining area. French doors lead to a formal dining room and sitting room, while the living room has a new gas fireplace and access to a wrap-around deck. A bright office overlooks the backyard - perfect for remote work. A two-story foyer, detailed millwork, laundry room, and half-bath complete the floor. Upstairs, the master suite boasts a cathedral ceiling, two walk-ins, and a spa-like en-suite with a soaking tub and shower. Three more bedrooms include one with a private bath and two sharing a Jack-and-Jill bath. The walk-out lower level offers a mudroom entry from the oversized garage plus space for a gym, office, or rec room. Owned solar panels, a fenced yard, ample storage, and recent updates. Close to trails, the arboretum, and commuter rail-this home is a rare find.