Timeless Pre-War Sophistication on the Upper East Side. Step into this glamorous, sun-filled approximately 3,000 sq. ft. residence, where grand entertaining spaces seamlessly coexist with private, serene quarters. This luxurious four-bedroom plus library home boasts tree-top views, southern exposures, abundant natural light, and the enduring charm of a Classic 9 into 8 pre-war layout. Off its own semi-private elevator landing, you are welcomed by a 14' x 14' entrance gallery, thoughtfully designed with beautiful symmetry and generous closetsan elegant prelude to the homes refined spaces. The gallery flows into a palatial double living room, 37' x 20', with five oversized south-facing windows. Perfectly proportioned, the living room is anchored by two striking wood-burning fireplaces on either side, creating a dramatic yet inviting focal point. The gourmet eat-in kitchen is a chefs dream, thoughtfully renovated with crisp white custom cabinetry, Caesarstone countertops, rich wood floors, and a cozy banquette. State-of-the-art appliances include a Sub-Zero refrigerator and freezer, Thermador dishwasher, Viking four-burner range and oven. A windowed bathroom completes this bright and cheerful space. The apartment offers a gracious flow with a split-bedroom layout. The primary suite features a southern exposure, exceptional closets, and a windowed marble bathroom with an oversized shower. On the eastern wing, three additional bedrooms and two full bathrooms provide comfortable, well-proportioned spacesone with an en-suite bathperfect for family or guests. This pre-war home is rich with architectural details, hardwood floors throughout, abundant closets, and an exceptional sense of space. 340 East 72nd Street is an elegant white-glove co-op built in 1930, home to just 33 residences. The building offers a full-time doorman, newly renovated gym, landscaped garden, laundry room, bike storage, and private storage cages. Wood for the fireplaces is provided by the building. Pets are welcome, and the co-op allows 50% financing with a 2% flip tax payable by the buyer. This extraordinary residence also includes its own staff room on the first floor (maintenance is $598.47), with serene garden views, as well as a massive storage bin.