Stately Colonial nestled in Pierce Estates, one of Wellesley's most sought-after neighborhoods. Beautifully renovated and set on a gorgeous ¾ acre lot with mature landscaping, this exceptional home seamlessly blends timeless New England charm with modern luxury. A standout feature is the recently updated, freestanding accessory dwelling unit (ADU), offering exceptional flexibility for au pair, extended family, guests, home gym, private office, or potential rental income. Currently configured as a gym and private office, ADU includes a kitchenette, full bath, and two living spaces. Home's main level is thoughtfully designed for both everyday living and entertaining. Chef's kitchen features high-end appliances and stone countertops, and flows effortlessly into the expansive, fireplaced great room. Professionally decorated formal living room, private office, dining room, mudroom, and half bath complete the first floor. Great room opens to a spacious, multi-level deck, creating an ideal setting for seasonal entertaining.Throughout the home, beautifully curated spaces showcase custom built-ins, gleaming floors, and timeless architectural details. Upper level offers five generous bedrooms, including a luxurious and serene primary suite with a beautifully renovated marble bath and ample closet space. The spectacular, recently renovated lower level is an entertainer's dream, highlighted by a custom bar perfect for gatherings and relaxed evenings at home. Outside, enjoy a large multi-level deck, six-person sunken hot tub, mature landscaping, and an expansive yard offering exceptional privacy and space to play, relax, and entertain. A truly special and long-admired home - this is a property not to be missed!