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Printed from StreetEasy.com at 12:47 PM, Jun 3 2026

521 Park Ave. 11C/12C

Located at 521 Park Avenue 521 Park Avenue, 11C/12C, Manhattan, NY Lenox Hill, Upper East Side
This unit is not currently listed on StreetEasy Other units available in this building: 3 active sales listings
3 beds, 5.5 baths, 3,040 ft²

Truly an ARCHITECTURAL GEM, this SPECTACULAR PH DUPLEX offers the rare opportunity to purchase a magnificent apartment in one of Park Avenue’s most sought-after prewar CONDO buildings.

Enter 11C/12C at 521 Park Avenue and experience the intimate elegance of this HIGH FLOOR CORNER Residence where traditional luxury meets European Sophistication.

Truly an ARCHITECTURAL GEM, this SPECTACULAR PH DUPLEX offers the rare opportunity to purchase a magnificent apartment in one of Park Avenue’s most sought-after prewar CONDO buildings.

Enter 11C/12C at 521 Park Avenue and experience the intimate elegance of this HIGH FLOOR CORNER Residence where traditional luxury meets European Sophistication.

Perched above 60th Street and Park Avenue this SUN-FLOODED Duplex with 11FT CEILINGS and over-sized windows, features S/W/E/N EXPOSURES with open views on 60TH STREET, PARK AVENUE AND EAST SIDE SKYLINE.

Beautifully renovated and impeccably designed with the most REFINED ARCHITECTURAL DETAILS s this unique home is the perfect place to entertain or just relax. It spans nine rooms elegantly divided between the two floors, each with its own private entrance.

Upon entering the apartment on the 11th floor a gracious entry foyer with a charming powder room, showcases a sweeping grand staircase leading to the 12th floor private landing dedicated to comfort and privacy.

The entry gallery leads you through IMPRESSIVE ARCHES OPENINGS into spacious and light-filled south facing living room with french windows, a cast-iron Juliet balcony and an antique marble fireplace. Directly adjoined the corner broad library, with handsome custom cabinets/bookshelves and an antique fireplace, offers southern and Park Avenue views with a glimpse of Central Park The living room opens up to a well proportioned south facing ceremonious dining room, which leads to a large and airy corner windowed chef’s eat-in kitchen with top of the line stainless still appliances and custom cabinetry. The adjacent windowed guest bedroom/maid quarter’s room and private bathroom could be easily converted either to a den, private office or a laundry room. The Dining, Living and Library rooms can be closed up with elegant wooden pocket doors for privacy.

The Upper floor welcomes three generous sun-filled south facing bedrooms with four en-suite marble bathrooms, two antiques fireplaces and a mechanical room.

The private and spacious master bedroom with 11.25 ft ceilings and a beautiful marble fireplace, features two spa like en-suite windowed mosaic marble bathrooms with radiant heated floors, a Jacuzzi, a steam bath, a separate stall shower, two large walk in custom closets/dressing areas and additional storage areas. The lovely and well proportioned adjacent bedrooms have both an en-suite marble bathroom and a private closet. One of them is a corner overlooking Park Avenue.

With custom designed details


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About the Building

521 Park Avenue  New York, NY 10065

Condo in Lenox Hill

  • 24 Units
  • 12 Stories
  • 1912 Built

Sales listings: 1 active, 2 in contract and 49 previous
Rentals listings: 31 previous
Documents and Permits: 138 documents

Unit History

Nearby

Transportation

  • N R 4 5 6 W at Lexington Av-59 St

    under 500 feet

  • F Q at Lexington Av

    0.14 miles

  • N R W at 5th Av

    0.19 miles

  • F Q at 63rd Street

    0.21 miles

  • 6 at 68th St

    0.37 miles

View subway lines on Google Maps

Schools

District 02 - Schools zoned for this address:
East Side Elementary School, PS 267

(0K,01,02,03,04,05,SE)

J.H.S. 167 Robert F. Wagner

(06,07,08,SE)

Disclaimer: School attendance zone boundaries are not guaranteed to be accurate – they are provided by a third party and subject to change. Check with the applicable school district prior to making a decision based on these boundaries.