This impressive New England style estate is situated on a premium tree-lined 1-acre lot at the end of a quiet cul-de-sac in McLean. Set back from the road with a curved brick and cobblestone drive, the property features mature landscaping with year-round interest and exceptional privacy. A standout feature is the separate, fully-equipped Carriage House, which includes its own full bath and kitchenette, making it a perfect space for multi-generational living, a guest suite, a home gym, or a secluded home office. This expansive home, with over 8,000 sq ft of living space, has four finished levels with 5 bedrooms, 6 full and 2 half baths, hardwood floors and detailed trim throughout, and includes five fireplaces that have been converted to gas. The main level features a formal living room and separate dining room, a home office and a fabulous sunroom located just off the spacious family room - with direct access to a covered deck - versatile as a playroom, library, or lounge area. The heart of the home is the spacious kitchen, with a center island and a large breakfast area, elevated by the coffered ceiling detail. From the kitchen, you can access the side porch with pergola, which makes an amazing spot for al fresco dining. The upper level has 3 ensuite bedrooms, including the spacious primary suite, with separate sitting room, two walk-in closets and a beautiful primary bath, with soaking tub and separate walk-in shower. A large laundry room, with two sets of full-size stacked washers and dryers and a half bath on the hall complete this level. The fourth-floor loft features a large open living area, a bedroom and full bath, providing an ideal space for an au pair, guests, or a quiet workspace. The walk-out lower level is an entertainer's dream, featuring a game room, a theater room, and a full bar with a Speakeasy Lounge area. This level also includes a prep kitchen, a full bath, a Flex Room that can easily function as an additional bedroom, craft room, or personal gym and plenty of extra storage space. Exterior highlights include a durable Slate Roof with copper snow guards and a gorgeous flagstone terrace with a pergola. The outdoor oasis is completed by a pool with plenty of lounging areas for sun and shade seekers, a garden house, and a playground with rubber mulch ground cover, all surrounded by mature landscaping that ensures a private and exceptional space for outdoor entertaining. Langley High School pyramid. Well and septic.