Prepare to be wowed by this contemporary luxury townhome in the heart of Northern Liberties. Located at 850 N 4th Street, Unit B, this sophisticated 3-bedroom, 3.5-bath residence offers over 3,000 square feet of thoughtfully designed living space across four levels, complete with a private 1-car garage, stunning rooftop deck with panoramic skyline views and a large finished basement perfect for playroom, home gym or an additional bedroom if needed. Every inch of this meticulously maintained home has been upgraded with exceptional attention to detail. Custom window treatments include wood plantation shutters in the kitchen and living room, as well as tailored blinds and custom closets throughout the home. The main living area is bright and airy, featuring soaring ceilings, oversized windows, and a gas fireplace with a custom surround. The chef's kitchen is outfitted with high-end Bosch appliances, including a gas cooktop, oven, and microwave paired with a Thermador refrigerator, a brand-new Samsung dishwasher (2025), sleek Poggenpohl cabinetry, quartz countertops, and a striking Lulani faucet. A dramatic 198-bottle wine wall adds a distinctive design element and everyday functionality to this entertainer's dream kitchen. The primary suite offers a tranquil retreat with floor-to-ceiling windows, a spacious walk-in closet, and a spa-inspired bathroom featuring Porcelanosa and Restoration Hardware finishes, a soaking tub, oversized shower, dual vanity, and private balcony access. Two additional bedrooms provide generous closet space and natural light, while the finished basement offers versatile bonus space with plumbing already in place for an additional wet bar. At the top of the home, a stylish pilot house wet bar with wine fridge opens to a spectacular private roof deck, an ideal setting for entertaining or relaxing with front-row views of the Philadelphia skyline, including New Year's and Fourth of July fireworks. The home is fully integrated with Sonos ceiling speakers in the basement, kitchen, living room, primary suite, and roof deck, offering seamless sound throughout. Additional upgrades include a dual-zone HVAC system, a skylight above the stairwell that fills each floor with natural light, quartz finishes and modern tilework throughout, and multiple balconies off the main living area and primary suite. The garage includes built-in storage solutions. This stunning home is currently configured as a 3-bedroom, but offers flexible options for a fourth. A neighboring property recently added a fourth bedroom by converting the first floor, an easy possibility here as well. Alternatively, part of the spacious finished basement could be transformed into an additional bedroom to suit your needs Perfectly situated just steps from Caf La Maude, Honey's Sit 'n Eat, Liberty Lands Park, and the best of Northern Liberties, this home blends modern luxury with urban convenience. 850 N 4th Street, Unit B is a rare opportunity to enjoy elevated city living in one of Philadelphia's most dynamic neighborhoods.