This 4-bedroom, 3.5-bath pristine townhouse with beautiful open floor plan was delightfully updated in 2019 with a new kitchen and baths, freshly painted in 2021, and is sited beautifully at the end of a cul-de-sac. An expansive light-filled fireplaced living and dining room combination open gracefully through French doors to a spacious deck, overlooking the private, professionally landscaped fenced-in back yard. The second floor features an oversized master bedroom suite including a 4-piece en suite bath with double vanity and skylight, and custom-designed walk-in closet. Also on this floor, enjoy a family room area for informal gathering, TV or exercise, two other generous bedrooms, an additional family bath, and a laundry room. The lower level offers walk-out access through the French doors to the patio and beautiful private fenced-in yard, with possibilities for multi-generational living. This level features a full au pair suite, complete with kitchenette open to the living room and dining area, second laundry, full bedroom and bath, and bonus room/office. Enjoy limitless possibilities on this level with the flexibility of an in-law apartment, au pair suite, or a private work area away from the family. The attached two-car garage complete this package. Ultra-convenient location in Four Corners, very close to Whole Foods, Crystal Lake, Cold Spring Park, shopping just around the corner, and with easy access to the Zervas School and Newton Centre.