Enjoy refined living on the Upper East Side in this gracious Classic 7 residence offering 3 bedrooms, 2.5 windowed baths, a home office/study, and generous living/entertaining space. Located in a premier full-service prewar co-op, the elegant, well laid-out apartment welcomes you with a gracious entry foyer. Beyond is a lovely living room with airy beamed ceilings, a wood-burning fireplace, exquisite moldings, built-in bookcases, and oversized southern windows with tree-lined street views – perfect for relaxing and hosting guests. Rich hardwood floors flow beneath you throughout the apartment to further enrich the sophisticated ambience. Windows on triple exposures to the north, south and east brighten the home with natural light. Pocket doors allow you to privatize the living room if desired, or can be opened to extend the public space into the well-proportioned windowed dining room, also with beautifully beamed ceilings. Pocket doors on the other side of the dining area connect to the windowed eat-in kitchen for easy serving. Cook's quarters present a built-in banquette for casual meals, abundant wood cabinetry, Caesarstone quartz countertops, recessed lighting, and a suite of premium appliances (Thermador oven & 6-burner vented out stove, Sub-Zero refrigerator, and built-in microwave/convection oven). Tucked behind the kitchen is a quiet windowed home office/study with a wall of handsome built-ins and desk, laundry closet with washer/vented dryer, and a windowed half bath. The bedrooms are situated in their own ‘wing' and accessed by a private hallway. The primary retreat faces north and has a full wall of custom-fitted closets. Two additional bedrooms enjoy southern light, custom-fitted closets, and a shared Jack & Jill bathroom. Storage abounds in the apartment including 2 big walk-in closets; plus there's a separate private 7'3”x8'4” storage space that transfers with the unit. Built in 1918 and conceived by Walter B. Chambers, 137 East 66th Street is a desirable 9-story cooperative with a full-time doorman, live-in super, gym, and wonderful planted rooftop terrace. Its prime address on a tree-lined street between Lexington and 3rd Avenues is close to restaurants, shopping and transportation. Pets are allowed with board approval. Please note some photos are virtually staged and all showings are BY APPOINTMENT ONLY.