Introducing 1A at 427 E 90th Street - This incredible duplex maisonette is a rare opportunity to purchase a truly forever home which could easily offer five bedrooms, two living rooms and features the largest private garden (1,442sf) in the Upper East Side. 1A spans two lengths of the building and offers an incredible backyard and two private patios, along with nearly 10' ceilings, white-oak flooring and oversized French casement windows. The sleek kitchen features honed marble countertops and backsplash, custom lacquer cabinetry with LED lighting, a cleverly integrated Subzero refrigerator and Miele dishwasher, and a fully vented Wolf gas oven. Flow easily into the nearly 20' deep living room, with plenty of room for a breakfast bar and dining area. The living room leads out to the largest private outdoor space in the Upper East Side, with tall wooden fencing around all corners - a true urban respite! Back inside, each of the three bedrooms overlook the garden through gorgeous full-length windows and offer abundant closet space. The primary suite has a large walk-in closet and an ensuite bathroom with double vanity, glass-enclosed walk-in shower and oversized soaking tub. A second full bathroom has wainscot detailing, a floating vanity and a glass-enclosed walk-in shower. A set of stairs leads off from the kitchen down to your massive playground - a lower level measuring over 46' x 27' with two patios on either side and a powder room. This space is the perfect canvas to create an additional 2 windowed guest rooms (each with their own patio), a full bathroom and a second great room. Refer to the alternate floor plan for further design inspiration. Central air, radiant floor heating in the bathrooms, an in-unit Bosch washer & dryer, motorized window shades, and high-performance energy efficient window glazing are just some of the other standout features of this maisonette. Sponsor is offering 2 years of common charges as a credit at closing. Gracie Green at 427 East 90th Street is a boutique new development in a tranquil pocket of the Upper East side near Gracie Mansion, Asphalt Green, Carl Schurz Park and the waterfront. Featuring just 21 residences ranging from one to four-bedroom homes, the building offers residents an attended lobby, gym, private storage, children's playroom, bike room and a rooftop lounge. This location offers an unparalleled level of ease and convenience, with the Spence and Goddard private schools directly across the street, several parking garages within a 1-block radius, easy public transportation via the 4/5/6/Q trains, and Whole Foods, Fairway, and the vibrant dining scene on 2nd Avenue all just moments away. The complete offering terms are in an offering plan available from sponsor File No. CD18-0286. Gracie Green at 427 East 90th Street is a boutique new development in a tranquil pocket of the Upper East side near Gracie Mansion, Asphalt Green, Carl Schurz Park and the waterfront. Featuring just 21 residences ranging from one to four-bedroom homes, the building offers residents an attended lobby, gym, private storage, children's playroom, bike room and a rooftop lounge. This location offers an unparalleled level of ease and convenience, with the Spence and Goddard private schools directly across the street, several parking garages within a 1-block radius, easy public transportation via the 4/5/6/Q trains, and Whole Foods, Fairway, and the vibrant dining scene on 2nd Avenue all just moments away. The complete offering terms are in an offering plan available from sponsor File No. CD18-0286.