521 Park Avenue 10-A Loft-Like Prewar Condominium on Park Avenue Rarely available, this sun-flooded 1-bedroom, 1.5-bath residence sits on a high floor of one of Park Avenue s most distinguished prewar condominiums. Spanning approximately 1, 000 sqft, the home is defined by its soaring 10 8 ceilings, oversized windows, and open city views that create a bright, airy, and loft-like atmosphere. The gracious layout features a spacious living and dining area with excellent proportions, ideal for both entertaining and everyday living. With its scale and flexibility, the residence can be easily reimagined as a comfortable two-bedroom home, offering exceptional versatility. The private wing includes a generous bedroom suite with excellent closet space, an en suite bath, and an additional powder room. A windowed kitchen adds to the home s appeal, enhancing both functionality and natural light throughout. 521 Park Avenue is a white-glove prewar condominium offering 24-hour doorman, porter, handyman, live-in resident manager, and fitness center, with laundry and private storage in the basement. Pets, pied- -terres, and flexible financing are welcome. Ideally located near Central Park, Madison and Fifth Avenue shopping, and world-class dining, this address offers the very best of Manhattan living. Currently the unit does not have a washer/dryer, but it has been approved by the building and easy to install.