321 N Jefferson Street unit: 401 401 Experience unparalleled luxury in this unbelievable 3-bedroom plus den, 2.1-bath duplex-up penthouse in an exceptional Fulton Market / West Loop location. Tucked within a boutique condo building on a quieter street, this sun-drenched residence offers a beautifully designed open-concept floor plan ideal for entertaining now elevated with a complete kitchen renovation, living room redesign, all new fixtures and lighting, fresh paint, and refinished hardwood floors throughout. The gourmet kitchen has been fully upgraded with all-new appliances (including water filtration system, hot water system, and garbage disposal), 42" cabinetry, a large island, and granite countertops blending timeless finishes with modern performance. The living space is wired for seamless connectivity, featuring ethernet runs to major areas for high-speed wired internet and WiFi access points, along with built-in speaker wiring for surround sound. Enjoy sweeping city views from the spacious wrap-around balcony and retreat to your private rooftop deck featuring Trex decking (2019). With an additional private balcony off the second bedroom, this home offers three exceptional outdoor spaces for entertaining or relaxing above the city. Designed with today's lifestyle in mind, this smart home includes: Smart switches throughout Smart window blinds in the living room and office Smart front door lock with keypad entry Ecobee smart thermostats All new ceiling fans in every room Added 2-zone HVAC system Tankless water heater (2022) The skylights, custom window treatments, and custom closets add warmth and functionality throughout. The enormous primary suite is a true retreat, complete with a sitting area, two impressive 10-foot walk-in closets, and a spa-like bath featuring double vanities, a glass-enclosed shower, separate soaking tub, and heated automatic bidet toilets for ultimate comfort. A deeded garage parking space and additional storage closet are included. Live in the heart of the action just moments from the Loop, the river, and the world-class dining and nightlife of Fulton Market and Randolph while enjoying the privacy, innovation, and elevated luxury of this one-of-a-kind penthouse residence.