Quintessential Carnegie Hill. Perched on the sixth floor, residence 6A opens into the foyer which hosts an entryway closet to help shed the outside world. The south-facing living room features beamed ceilings and hardwood parquet floors. There is through-the-wall AC to ensure that every ray of light finds its way through the windows. The dining room can comfortably seat six. French doors open to the den which holds a cushioned window seat as well as an office space. Anchored by a charming banquette, the windowed eat-in kitchen offers ample cabinet and counter space and includes a dishwasher as well as the washer-dryer. Deeper into the apartment, the south-facing first bedroom can fit a queen-sized bed and comes with a pair of closets. Across the hall is the first full bath and linen closet. The primary bedroom boasts a full wall of closets and can accommodate a king-sized bed with space for furniture. The room remains bright throughout the day thanks to south and west windows. Attached, the en suite bath houses a pair of sinks, jacuzzi tub and second linen closet. Amidst "Museum Mile" and the Upper East Side's best shops and restaurants, 51 East 90th is an exquisite boutique prewar coop with live-in super and 24-hour doorman. The building is pet friendly, has a laundry room in the basement (in addition to the in-unit laundry) as well as private storage (waitlist) and a bike rack. 60% financing allowed.