Introducing an ultra-rare, brand new construction limestone townhouse: a fully gut-renovated, designer-furnished, 20-foot-wide, five-story residence with a private elevator, spanning approximately 7,000 square feet, with an additional 1,900 square feet across three exceptional outdoor spaces, offering 6 bedrooms, 8 bathrooms, including 2 powder rooms. This remarkable residence, with an extravagant limestone facade, is ideally situated on one of the Upper East Side’s most coveted townhouse blocks, enhanced by elegant exterior street lighting. Executed and sourced with the finest of materials, technology, and artisanal craftsmanship, this meticulously gut-renovated and expanded residence by award-winning master developer Titanium Property Group blends classic architecture with top-tier modern design and infrastructure. The home spans five thoughtfully proportioned floors with high ceilings throughout, as well as a finished cellar and a spectacular finished roof deck with an outdoor kitchen, while oversized windows flood the interiors with natural light throughout. Eight-inch rift and quartered white oak floors run throughout, complemented by solid white oak staircases, custom crown moldings, cove lighting, sleek linear HVAC diffusers, and Kallista plumbing fixtures, reflecting an uncompromising level of design and craftsmanship. This is an unparalleled opportunity to acquire a brand new, truly turnkey trophy townhouse. The garden level of this residential masterpiece features 10-foot ceilings, a gracious entry foyer, and a custom walk-in coat closet, along with a beautifully appointed powder room. The space opens into the chef’s kitchen, anchored by 50 feet of custom shaker-style cabinetry, a large center island, dual sinks, two dishwashers, a gas range with custom CopperSmith stainless steel hood, double oven, built-in coffee system, wine storage, and fully paneled Wolf and Sub-Zero appliances, with Calacatta Vagli countertops and island. A wall of oversized windows opens directly onto a beautifully landscaped private garden with a snow-melt system and speakers, creating a seamless indoor-outdoor experience ideal for everyday living and entertaining. The grand parlor floor is designed for formal entertaining, overlooking the garden through oversized windows that drown the space with natural light. A formal living room and dining room are complemented by a wet bar finished in Breccia Capraia marble, with a wine fridge and beverage cooler, enhancing the entertaining experience. The primary suite is a true private sanctuary, occupying its own level and featuring a fireplace, a private terrace with a snow-melt system, and a custom walk-in closet with glass doors and integrated LED lighting. The spa-level bath is finished in Calacatta Cremo marble and includes a double vanity, a Mr. Steam shower, and a separate toilet closet with a TOTO Neorest smart toilet. An additional room on this floor offers flexibility as a home office, gym, dressing room, or additional bedroom. Two additional floors offer four generously proportioned bedrooms, each with custom closets, and en suite bathrooms finished with Arabescato Vagli marble shower accents, along with a flexible den or lounge space. The rooftop offers a spectacular outdoor retreat with open views over the surrounding townhouse gardens and is thoughtfully outfitted with a kitchenette, creating an ideal setting for elevated outdoor entertaining. The cellar level has been fully excavated to achieve exceptional ceiling heights and features Taj Mahal stone flooring, a dedicated dog wash station, and a large laundry room with primary washer and dryer. The space is thoughtfully designed with a gym, storage, and dedicated mechanical and electrical rooms. Infrastructure upgrades include all new plumbing and electrical systems, an upgraded 8-inch sewer line, and an increased water line to support the sprinkler system and additional bathrooms. The home is further enhanced by spray foam ins