Co-op with Condo Rules The Eleventh Floor at 1228 Madison Avenue is a rare full-floor 4-bedroom, 4.5-bath home with 3,523 sq. ft. and quadruple exposures, offering sweeping views of Central Park and the Reservoir. A private elevator vestibule and dramatic 8 white oak door set the tone, opening into a stunning foyer with custom chevron oak flooring that leads into an extraordinary corner great room wrapped in oversized windows and natural light. The eat-in Molteni kitchen is a showpieceCalacatta Estremoz slab surfaces, an island for four, white matte lacquer cabinetry, and top-tier appliances including a Lacanche 7-burner range, Wolf, Miele, Sub-Zero, and a wine refrigerator. The separate bedroom wing features 7 white oak floors and a serene primary suite with two large closets and two private terraces overlooking Madison Avenue. The spa-quality primary bath is finished in Bianco Oro marble, with a freestanding tub, radiant heat, custom millwork, and Waterworks burnished nickel fixtures. Secondary bedrooms offer spacious closets and polished en-suite baths with radiant-heated Calacatta marble and bespoke finishes. A dramatic Italian Burlesque marble powder room, side-by-side laundry, private refuse room for contactless deliveries, and dedicated storage complete the homes smart conveniences. Residents also enjoy a full-time doorman and concierge, a beautifully designed Technogym fitness center, and a spectacular roof terrace with panoramic views stretching from Midtowns skyline to the Reservoir and the treetops of Central Park West. Robert A.M. Stern Architects has crafted a highly nuanced, boutique-scale residential building composed of just 13 private full-floor, duplex, and triplex homes. 1228 Madison Avenue marks the return of confident, quietly majestic architecture to the Upper East Side classical in spirit, yet thoughtfully evolved for the 21st century. Its richly articulated faade of shot-sawn limestone and heathered brick rises just one block from the Guggenheim and Central Park, surrounded by the best boutiques, galleries, and neighborhood services that only Madison Avenue can offer. Inside, grand living rooms and private terraces capture exceptional natural light and sweeping views some extending over Central Park, the Jacqueline Kennedy Onassis Reservoir, and the storied Central Park West skyline. The buildings meticulously composed, traditional exterior is perfectly complemented by interiors from acclaimed AD100 designer Kelly Behun. In her first multi-residential commission, Behun brings a warm, sophisticated, and eclectic sensibility, ensuring each residence carries its own distinct character. The dialogue between Robert A.M. Sterns timeless architectural language and Kelly Behuns inventive detailing results in a truly singular residential experience.