Located in one of Manhattans most exclusive and serene enclaves, Residence 10A is a beautifully customized 4-bedroom, 4.5-bath home with 3,043 sq ft of grandly-scaled living space. Designed by Robert A.M. Stern and thoughtfully upgraded by the current owners, the apartment features soaring 11-foot ceilings, triple exposures (east, north, west), and partial East River views from every east-facing window. A semi-private elevator landing opens to a gracious entry gallery with powder room. The nearly 30-foot great room boasts a stunning bay window framing river views, while the adjacent formal dining room was opened up by the current owners to maximize light and flow between both rooms. The windowed chefs kitchen is outfitted with a center island, Brazilian Quartzite countertops, Gaggenau appliances, custom shaker cabinetry, and a full butlers pantry with wine fridge and laundry. The west-facing fourth bedroom serves as a library/den with custom built-ins and an en-suite bathideal as a guest suite. Sharing a span with the great room, the library benefits from continuous daylight, sunrise to sunset. There are three additional bedrooms positioned in separate corners of the home for optimal privacy. The primary suite features river views, a redesigned and enlarged walk-in closet, and a luxurious five-fixture marble bath with radiant floors, soaking tub, glass shower, and double vanity. Each secondary bedroom includes en-suite baths and open northern/western views. Additional features include wide-plank Appalachian oak floors, multi-zone HVAC, and a full Savant & Lutron smart home system with built-in speakers throughout. Over $500,000 in Owner Enhancements: -Opened living/dining wall for beautiful light and flow -Custom built-ins and paneling throughout -Redesigned and enlarged primary walk-in closet -Recessed lighting, Savant and Lutron Home Automation, built-in sound, electric shades, and recessed lighting -Wall coverings by Phillip Jeffries in key rooms -Pocket doors in pantry and library Built from the ground up in 2017, 20 East End Avenue is an intimate, full-service condominium with only 43 homes. Inspired by the grand prewar apartments houses of the 1920s, residents enjoy white-glove service and top-tier amenities, including a gated porte-cochre, 24-hour doorman and concierge, fitness center with boxing studio, spa with sauna and steam, residents library, game lounge, wine cellar with tasting room, a wonderful programed childrens playroom with arcade games Private storage and bicycle storage is available. East End Avenue offers a peaceful, almost suburban feel within NYC. Just three blocks from Carl Schurz and John Jay Parks, and the East River Promenade. Elite private schoolsincluding Chapin, Brearley, and Townare within four blocks. Convenient access to the FDR Drive, 2nd Avenue subway, and just 15 minutes from LGA.