Exquisitely renovated by renown designer Russel Grove and featured in Architectural Digest, this 5,200 sq. ft. 10-room duplex residence with 705 sq. ft. of private terraces offers gorgeous views of the city, Park Avenue and beyond to Central Park and the city skyline, and features 3-4 bedrooms, a den and home office, 3 full baths, 3 half baths, two laundry rooms, and an expansive dream kitchen with adjacent breakfast area or den, located in full-service building on prime Park Avenue. An entry foyer with two coat closets and a large Travertine stone powder room welcomes you into an expansive corner double living room with open south and west exposures, and access to a decked terrace with views of Park Avenue and Central Park. There is a large formal dining room, also with access to its own planted terrace, which has an automated irrigation system, and flows seamlessly into a media room and the oversized Boffi chef's kitchen with its spacious breakfast area and a wall of windows with open north exposures. This dream kitchen features top-of-the-line finishes and appliances, including Calacatta marble counters, custom-built lacquered cabinetry, Gaggenau refrigerator, two side-by-side SubZero wine coolers, two Miele dishwashers, Miele double-oven, a six-burner Gaggenau cooktop with ceiling-mounted canopy, and a large walk-in pantry with a second refrigerator, SubZero icemaker and cooling drawers, and abundant storage. Garbage disposal. There is a separate bedroom wing with two generously proportioned west-facing bedrooms with open city views, one with an en suite bathroom decked in Travertine stone floors and vanity, and a large glass-enclosed rain-shower stall. The other bathroom also has Travertine stone floors and vanity, and a glass-enclosed soaking tub. In addition, there is a large laundry room with motion-activated lighting, Miele washer and dryer, sink, and storage cabinets. An architecturally designed cantilevered staircase with bamboo wood steps, spot lighting for every step, and tasteful cove-lit Walnut wood handrails lead to the upper level, which can be directly accessed from the 20th floor. The upper level features a den with access to a large south-facing terrace, and a home office paneled with Bamboo wood and lacquered walls, which can be converted into a 4th bedroom. It has a wet bar and a powder room that could also be a full bath. A hallway with a second laundry closet leads to the lavish primary bedroom suite, which features an open-concept bathroom with radiant-heated floors - including the shower stall - three sinks, a private room with smart lavatory and sink, a free-standing soaking tub, and a glass-enclosed windowed rain-shower stall. There are also several towel warmers throughout. The bathroom is flanked by two large walk-in closets beautifully outfitted with Walnut wood shelves and drawers, built-in mirror with back lighting, and a dedicated vanity desk area. The spacious bedroom has its own planted west-facing terrace. This gorgeous home features include Lucifer custom recessed lighting throughout, a new multi-zone central air conditioning and temperature controls, smart Control4 automation system for easy management of the home's lighting, climate, and audio-visual. There are also electronic shades in every window. 799 Park Avenue is a full-service, white-glove coop building with an attentive staff that includes 24-hour doorman, elevator operator, on-site resident manager, on-site parking, a beautiful, landscaped garden, a newly renovated fitness center, and central laundry room. Located in prime Park Avenue location and convenient to all transportation, world-class restaurants, museums, galleries, and two blocks from Central Park. Pied-a-terre and pets are welcome.