Welcome to 320 Lexington Street—an elegant new Colonial in one of Waltham's most desirable neighborhoods with quick access to Boston, Rte 128, Rte 2, and the Mass Pike. Backing onto conservation land with no rear neighbors, this home offers privacy and a beautiful natural backdrop. Features include 4 bedrooms, 3.5 baths, a luxurious primary suite with spa-style bath and custom closets, and a quartz island kitchen with wet bar. A spacious deck off the kitchen leads to the backyard—perfect for entertaining. A first-floor bedroom or office with French doors adds flexibility. The fully finished basement includes a full bath and is ideal for guests or extended living. Hardwood floors, second-floor laundry, tall ceilings, central air, gas heat, and a two-car garage complete this thoughtfully designed home. Check out the virtual tour.