Welcome to 1851 N. Halsted St., a one-of-a-kind, full-floor penthouse located in the coveted Lincoln Park neighborhood. This exquisite residence, custom-built by Sulo Development for the current owners, is being offered for sale for the first time. Spanning 3,800 sq ft on the main level, and a 2,500 sq ft private rooftop terrace, this home is the epitome of luxury and urban living. Step off the private elevator directly into your secure foyer, setting the tone for the exclusivity this property offers. The expansive open-concept kitchen (with 14 ft island) serves as the heart of the home, boasting dual Sub-Zero refrigerators, quad freezers, dual ovens, a Wolf 6-burner gas stovetop, and a distinctive concrete composite and quartzite countertop. The kitchen seamlessly connects to a spacious living room on one side and a sophisticated wine room/tasting lounge on the other, featuring a showstopping custom climate-controlled wine cellar and a wet bar with under-counter beverage coolers. The dining area is designed for grand entertaining, centered around a custom 12-seat square dining table. The primary bedroom suite offers a private sanctuary with a massive walk-in closet and a spa-like ensuite, complete with a separate steam shower and a deep soaking tub. The north side of the property houses three additional bedrooms and two full bathrooms. A fifth bedroom, currently used as an office/den, is accessible from the living room and separated by an impressive pocket door. Outdoor living is unparalleled, with a rear deck spanning the width of the property, complete with an outdoor kitchen, dining area, and separate lounge space. The crown jewel of this penthouse is the private roof deck, accessible by architecturally significant stairs or private elevator. This exceptional outdoor space includes a covered lounge and TV area with built-in heaters, 2nd outdoor kitchen with a grill and dining area, an uncovered lounge area, and a west-facing outdoor pool table with additional seating perfect for enjoying sunsets every night. This interior expands the full 4th floor and comes with 3 heated garage parking spaces. Experience the pinnacle of luxury living and privacy with this remarkable penthouse in the heart of Lincoln Park just steps from Alinea, Summer House Santa Monica, Sushi San, Steppenwolf, and all the shopping Halsted/Armitage Ave have to offer.