Presenting this exceptional 4-bed, 4.5-bath XL Colonial in desirable Middleton. A grand foyer opens to a sun-filled living room with cathedral ceilings and a double-sided gas fireplace, accented by Brazilian cherry wide plank floors. The gourmet kitchen boasts custom cabinetry, Thermador appliances, double ovens, and a built-in coffee maker. Entertain with ease in the game room and wet bar with surround sound. The primary suite offers a sitting area with built-ins, a walk-in closet, and spa bath with double vanities, a jacuzzi, a makeup station, and a walk-in shower. A junior suite with a sitting area, ¾ bath, and a walk-in closet, plus two bedrooms with a Jack & Jill bath, complete the upper level. The walkout lower level features an au pair suite with a full kitchen, ¾ bath, bonus room, and exercise area. A composite deck, heated 3-car garage, and direct access to Boxford State Forest with miles of trails for year-round enjoyment complete this extraordinary home.