This fully rebuilt, renovated and expanded brick Colonial sits proudly on a half-acre of level, private property with a luxurious pool house and pool. Perfectly located just a stone's throw from Scarsdale Village and train, this home blends timeless architectural details with today's most sought-after amenities. The first floor impresses with high ceilings, rich millwork, and a seamless flow for modern living. A stunning, sun-drenched eat-in kitchen overlooks the expansive backyard and opens to a large deck, ideal for outdoor dining and entertaining. A coveted first-floor bedroom with a private full bath offers flexible living options for guests or a home office. Upstairs, the breathtaking primary suite features soaring ceilings, an oversized walk-in closet, and a spa-like bathroom. Each additional bedroom enjoys the privacy and convenience of its own en-suite bath. A bright third-floor bedroom and play space add even more versatility. The newly finished lower level includes a bedroom, full bath, gym, media room, and an additional recreation space. The spectacular pool house is a true retreat, offering vaulted ceilings, a kitchenette, a luxurious full bathroom, and a bonus loft space perfect for an office, studio, or guest suite. With its flat, usable backyard, premier location near village shops, restaurants, and Metro-North, and incredible indoor and outdoor living spaces, 21 Autenrieth Road offers the ultimate in Scarsdale living.