Need a ADU/In-Law? This could be an option in this spectacular new construction home in a sought-after hilltop neighborhood blending luxury, craftsmanship, and modern design. Thoughtfully crafted and set on a spacious .44 acre lot, the residence features 5 bedrooms and 4.5 baths with a layout designed for both everyday living and entertaining. Sun-filled interiors showcase custom luxury finishes, wide-plank oak floors, designer tiled baths, upscale lighting, and elegant millwork throughout. The chef's kitchen opens seamlessly to expansive living and dining spaces, creating a warm and inviting atmosphere. The luxurious primary suite offers a private retreat, while generously sized secondary bedrooms and beautifully appointed baths provide comfort and flexibility. Enjoy seasonal views of the Boston skyline while relaxing on the rear deck. A rare opportunity to own a distinguished new construction home in one of Waltham's most desirable residential setting.