Stunning newer construction custom Colonial on the highly desirable Waltham/Weston Line! This spacious home features a 2-car garage, high ceilings, hardwood floors, and an open layout perfect for modern living. The gourmet quartz kitchen includes a large island, butlers pantry, and stainless appliances, and opens to a fireplaced living room with crown molding and wainscoting. Formal dining room with elegant millwork. Walk-out finished lower level offers a large family room, full bath, and slider to the backyard-ideal for guests or entertaining. Grand primary suite with walk-in closet and spa-like bath with soaking tub, dual vanity, and separate shower. Private guest suite with en suite bath and walk-in closet. Additional highlights: 2nd floor laundry, finished walk-up attic for added versatility, recessed lighting, central A/C with air humidifier, deck, and sprinklered yard. Convenient to Rt. 128, Mass Pike, restaurants, shopping, parks, and public transportation.