A truly extraordinary residence, seamlessly blending ultra-refined private living. Designed and built by the developer for personal use, the property is without equal-an architectural statement that redefines luxury urban living. A private entrance on Janssen Street leads to your personal three-stop elevator, opening into a dramatic 40-foot atrium lit by a 400 SF curtain wall of industrial glass and crowned with a 10'x10' glass skylight that floods the home with natural light. The residence features 14-foot ceilings, 18" crown molding accented with exposed structural steel components, custom lighting throughout, including designer fixtures by Darcy Bonner and Holly Hunt. The chef's kitchen is impeccably appointed with Sub-Zero refrigeration, a Viking range/oven, an additional Viking convection oven, (6) Viking wine coolers, and dual Bosch dishwashers. Highlights continue with three wood-burning fireplaces, maple hardwood floors, stainless steel railings, a full sprinkler system, and two sets of LG washers and dryers. Four bedrooms occupy upper floor with exquisite finishes and two bathrooms. The primary suite includes (4) additional skylights. A spacious, custom-designed private office occupies its own dedicated floor, offering the ultimate work-from-home sanctuary. Outdoor living is equally impressive, with approximately 1,300 square feet of outdoor space on four levels, showcasing breathtaking Chicago skyline views and a spectacular entertaining terrace that flows directly from the main living space. Supplemental amenities include garage parking for two cars and outside parking for three additional vehicles. More features include a heated driveway, tool room, abundant storage. Many of the building's mechanical elements were completely upgraded in 2025. The building is approximately 7,800 SF per construction documents. A rare opportunity to own an architectural masterpiece that combines luxury, and unmatched design in a phenomenal location. Owner is a licensed real estate broker.