426 W Haley's Hill Court The Treasured Jewel of Dunhaven Woods Once-in-a-generation. This magnificent custom all-brick and stone estate sits on one of Dunhaven Woods' most premium lots - a rare private homesite commanding a $100, 000+ lot premium with Deer Grove Forest Preserve embracing two sides and a creek nearby. One entrance, one neighbor, absolute seclusion - yet minutes from downtown Palatine, Metra, and Route 53. Custom expanded 10 feet deeper and wider than the standard model, offering over 7, 500 sq ft across three stunning levels with soaring ceilings throughout. Grand two-story foyer with sweeping curved cast-iron staircase, enormous family room with herringbone brick fireplace, and a legendary chef's kitchen featuring a 48" 6-burner Wolf range, Sub-Zero refrigerator and chill drawers, instant hot water, walk-in pantry, signature hardwood-slate inset floors, and custom built-in cabinetry throughout. Two well-appointed powder rooms. A stunning mudroom and laundry with premium Miele appliances, crystal chandelier, farmhouse sink, and custom dark cabinetry keeps everyday life effortlessly organized. Exceptional custom built-in cabinetry and millwork throughout every level - from the kitchen and breakfast room to the loft, family room, and basement - reflecting a level of craftsmanship rarely seen in any home at any price. The primary suite occupies the entire south side of the second floor - vaulted ceilings, private sitting area, wrap-around forest views, spa bath with freestanding Victorian soaking tub, glass shower, and a to-die-for custom dressing room. An expansive loft with custom built-in entertainment wall, bay window seating, gaming and reading nook adds rare bonus living space found nowhere else in the subdivision. The crown jewel: a $250, 000+ Tuscan-inspired walkout lower level - a grand great room with fireplace and wall of windows facing the forest preserve, professional bar and full second kitchen with built-in oven, dishwasher drawers and microwave, coffered-ceiling movie theater with leather recliners, wine cellar, private gym, fifth bedroom guest suite, and an elegant dining and game room with custom built-in furniture - all walking out through double doors to a private stone patio embraced by nature. A whole-home integrated sound system spans all three levels - individually controlled zones throughout the main floor, dedicated theater-grade surround sound in the movie theater, family room and lower level great room, plus systems in the loft and primary suite. A whole-house intercom system completes this fully connected home. Exquisite designer custom window treatments throughout convey, adding a level of finished elegance rarely found even in luxury homes. Hike, bike, or cross-country ski right from your backyard. This lifestyle simply cannot be replicated.