Seller is offering $15,000 CARPET ALLOWANCE ! EXCEPTIONAL CUSTOM SINGLE-STORY home in highly sought-after Northwest Plano near the Allen border, featuring numerous upgrades since 2015. With 3000 sq ft on the one-story first floor and an additional 600 sq ft for the private apartment above the garage, this impressive home offers soaring ceilings and a full-height walkable attic, giving it the appearance and feel of a stately two-story estate. Designed for entertaining and comfortable living, the open floor plan includes 4 spacious bedrooms and 3 full baths, with split-bedroom privacy. The oversized primary suite features panoramic garden views, an oversized shower and a huge walk-in closet. All bathrooms have bidets. Additional highlights include an English library with rolling ladder, bonus room, custom built-ins, crown molding, plantation shutters, porcelain flooring, and solid-core 8-foot doors throughout. The chef’s kitchen offers a large island, abundant 42-inch cabinetry, double ovens, and an oversized walk-in pantry with extensive shelving and pot-hanging storage. Outdoor living includes a covered patio, English-inspired tiered garden, and a peaceful one-acre wooded backdrop that can never be developed. A 7-foot privacy fence surrounds the backyard. The oversized 3.5-car garage features 11-foot ceilings, oversized doors, and ample room for large vehicles or additional storage. A newly added 600 sq ft space above the garage includes its own entrance, full kitchen, bedroom, private bath, half bath with laundry area, recessed lighting, luxury vinyl flooring, on-demand hot water, and ductless HVAC systems. Ideal for multigenerational living, guests, a home office. This unique property combines luxury, flexibility, and privacy in one of North Texas’ most desirable locations. Close to I-75 and 121, medical, shopping, restaurants and schools. Come see this ONE OF A KIND! COME FALL IN LOVE!