1801 N Clarence Avenue Welcome to luxury living at its finest in the highly sought-after Arlington Heights and award-winning John Hersey High School district. This exceptional custom-built residence offers over 6, 000 square feet of thoughtfully designed living space with 5 bedrooms, 4.5 bathrooms, and premium finishes throughout every inch of the home. Situated on a rare 0.66-acre lot, this one-of-a-kind property blends modern architecture, luxury design, and top-tier craftsmanship. Step inside to soaring 10-foot ceilings on the main level, 9-foot ceilings upstairs, oversized windows flooding the home with natural light, a stunning floating staircase, custom LED lighting, heated floors, and a seamless open-concept layout designed for both everyday living and upscale entertaining. The chef's kitchen is a true showpiece featuring Sub-Zero, Wolf, and Cove appliances, oversized dual islands, two dishwashers, a walk-in pantry, and an expansive dining area perfect for hosting. The luxurious primary suite offers a private retreat complete with its own balcony overlooking the backyard, a spa-inspired bathroom with steam sauna/shower, and an oversized custom walk-in closet. Additional highlights include a private office, beautifully designed high-end bathrooms throughout, a second balcony, built-in stereo/sound system, iPort system with built-in iPad controls, Ring security system, full camera/security setup, and high-efficiency furnace and AC systems with heat pump technology. Outside, enjoy a large stamped concrete patio and stamped concrete driveway, creating the perfect indoor-outdoor lifestyle for entertaining. With a 3-car garage featuring high ceilings, premium custom finishes, and luxury materials throughout, this extraordinary home offers a rare combination of sophistication, functionality, and modern elegance.