Exceptional opportunity to customize this expansive Contemporary Colonial nestled on a private, wooded lot at the end of a quiet cul-de-sac in one of Waltham's most desirable neighborhoods. Offering over 5,000 square feet of living space, this home combines impressive architectural details, generous room sizes, and a highly functional floor plan, presenting a rare opportunity to create your dream home while enjoying exceptional value for its size and location. Conveniently located near Bentley University with easy access to Route 128/I-95, the Mass Pike, commuter rail, shopping, restaurants, parks, and all that Waltham has to offer, this home provides the perfect balance of privacy and commuter convenience. A dramatic two-story foyer welcomes you into a home filled with character, featuring soaring cathedral ceilings, exposed beams, skylights, oversized windows, and a stunning floor-to-ceiling stone fireplace that serves as the centerpiece of the spectacular great room. The open-concept layout is ideal for everyday living with the oversized eat-in kitchen flowing seamlessly into the great room. Formal living and dining rooms provide elegant spaces for entertaining. The private first-floor primary suite offers multiple closets, convenient first-floor laundry, and a spacious spa-like bath with dual vanity, soaking tub, and separate shower. Upstairs are two spacious bedrooms with walk-in closets and a large shared bath. The finished lower level offers exceptional versatility with a fireplaced recreation room, half bath, workshop, and abundant storage, while the attached two-car garage provides added convenience. Step outside to enjoy the peaceful wooded setting from the expansive deck, offering the perfect place to relax, entertain, or enjoy nature year-round. With its outstanding layout, impressive architectural character, abundant living space, and premier location, this home presents a rare opportunity to personalize a property of this caliber in one of Waltham's most sought-after neighborhoods. A truly exceptional value for buyers seeking space, privacy, and endless potential.