Besides being an architectural gem, designed by William Alciphron Boring and completed in 1911, 521 Park Avenue is the rare classic pre-war Upper East Side building that’s also a condominium (it was converted in 1987). This sprawling duplex is the result of a high-floor two-unit combo. The resulting 3,000+ square-foot corner apartment has as much space and impressive pre-war detail as you’d expect from an address like this one.
Beneath 11-foot ceilings and framed by four exposures, this elegant home comes with the prerequisite park and city views. Impeccably designed–and exceedingly well-upholstered–the apartment’s nine rooms are divided over two floors, each with its own entrance.
After entering through a grand hallway on the 11th floor, head up an equally impressive staircase. The entry gallery leads through a set of arches into a spacious living room with French windows, a cast-iron Juliet balcony and an antique marble fireplace.
A large, velvet-filled library is lined with custom cabinets, bookshelves, and another antique fireplace, with a view of Central Park.
A formal dining room leads to a corner windowed chef’s kitchen that’s ready to give the local restaurants a run for their money with top-of-the-line stainless steel appliances and custom cabinetry. The dining room, living roo, and library can make use of elegant wood pocket doors for privacy.
The adjacent windowed guest bedroom has a private bath; it’s also a good spot for a den, office or laundry room.
On the upper floor, three spacious bedrooms get four en-suite marble baths (the master gets two) and two fireplaces. The master suite features a beautiful marble fireplace, with two marble-clad bathrooms offering radiant heated floors, a Jacuzzi, a steam bath, a separate stall shower, two large walk in custom closets and additional storage areas.
The apartment is steeped in history with its tile and hardwood herringbone parquet floors, hefty ceiling moldings, stucco wall finishes and those too-many-to-count antique fireplaces. But upgrades like central air, a sound system with in-ceiling speakers and radiant heated bathrooms take this rarified roost right into the 21st century as do modern building amenities like a doorman, elevator and gym.
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Images courtesy of LaSeven.
Neighborhoods : Upper East Side