Perched atop the 40th floor, Residence 40A is a full-floor, mint-condition home offering 3,726 square feet of interior space and a 153-square-foot private terrace. With four exposures and floor-to-ceiling windows, natural light and sweeping skyline views fill every room. Thoughtfully designed by CetraRuddy, this four-bedroom, three-full and two-half-bath residence balances refined design with exceptional functionality. A private elevator landing opens to a dramatic great room anchored by a marble gas fireplace and surrounded by multiple seating areas, a custom wet bar, and an adjoining libraryperfect for both everyday living and elegant entertaining. The windowed, eat-in kitchen is outfitted with Calacatta Vision marble countertops, custom Dada Italian walnut cabinetry, and Miele and Sub-Zero appliances including dual ovens, espresso machine, wine cooler, and oversized refrigerator. The primary suite occupies its own private wing with terrace access, dual walk-in closets, and a spa-like marble bath featuring a freestanding Kaldewei soaking tub, walk-in shower, and double vanities. Two additional bedrooms each include en-suite marble baths and generous closet space, while a fourth bedroom or home officeseparated by a wet barprovides excellent flexibility. Additional highlights include a secondary private entrance, radiant heated bathroom floors, wide-plank hardwood flooring, and Nest-controlled central air conditioning. Residents of 135 West 52nd Street enjoy white-glove service and premier amenities including a 75-foot lap pool, fitness center, spa, golf simulator, childrens playroom, and 24-hour doorman and concierge.