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4 Beds
4 Baths

$3,450,000

870 United Nations Plaza PH 37/38B, New York NY, 10017

Built in1966
Property typeCo-op

Overview

Active

Listed Jan 14, 2026

Updated 34h ago

870 UNITED NATIONS PLAZA PH 37/38B Light-Filled Penthouse Duplex in Historic Turtle Bay Neighborhood Has Breathtaking Unobstructed Views of NYC Here is your once-in-a-lifetime opportunity to own a beautifully appointed and impeccably designed three bedroom plus library in one of Manhattan’s premier residences. This residence boasts 9ft ceilings and a gracious layout and bright open city views. The Duplex was imagined and designed by legendary Master Architects Max Abramovitz and Wallace K. Harrison, who also designed the nearby United Nations Secretariat building. The Co-op is a multi-story masterpiece, with mid-century modern details such as plaster walls, high ceilings, hardwood flooring, (white marble flooring on the ground floor and hard wood upstairs) wood-burning fireplace, and a private elevator. This penthouse is the crowning jewel of one of the most modernist residential structures in New York City with wall to wall windows spread over two floors with amazing views from all rooms. Additional features of this incredible home include custom lighting, multiple zoned central air conditioning and generous closet space throughout. The sun drenched corner PH looks out on panoramic NW&E views and the greatest city in the world is literally at your feet. MAIN LEVEL 37TH FLOOR Enter through a private foyer that showcases a beautiful spiral staircase. The vast corner living boasts a wood burning fireplace with a finely crafted marble mantle. Other rooms on this level include a large privale bedroom with ensuite bathroom; an eat in kitchen with a dishwasher and a wine cooler; a formal dining room and library with direct and protected views of the East River and beyond; a laundry room with a washer and dryer; and a service entrance, UPPER LEVEL 38TH FLOOR Ascend to a second floor via the private elevator or the gorgeous spiral staircase to access the large Master Suite which includes a dressing room and a custom marble bathroom with a luxurious rainfall shower, walk in closets and a spacious sitting room that could easily be converted into a fourth bedroom; a home office, or an additional bathroom as the space’s original plumbing remains intact. (There is a dressing room that could be converted back to an additional bathroom) The second and third bedrooms on this level both have ensuite bathrooms. ABOUT THE BUILDING 870 UN PLAZA is a prestigious luxury coop which has the longest private driveway in NYC, which leads to a grand triple height lobby. The superbly run full service building offers a 24 hour doorman, valet, and concierge service. The more than 50 staff members provide five star service and security elevating residents to a whole new level of lifestyle. Building amenities include an on site management office; state of the art fitness center with Pilates studio; golf simulator; billiards room; two conference rooms; an in house dry cleaning service; rooftop sun decks; heated indoor garage; and “Club39”, a private resident’s lounge and entertainment area. Pets are welcome, and there is a dog park across the street. A storage room transfers with the apartment. United Nations Plaza is conveniently situated near public transportation, shops, restaurants and the FDR Drive, which makes its location ideal for frequent commuters. Neighboring the 18 acre UN Complex makes this exquisite home the epitome of comfort, privacy, and serenity.

$22,953/mo

Est. mortgage payment based on a $3,450,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
40908548
Available since
January 14, 2026

Interior Features

Bedrooms
4
Bathrooms
4
Fireplace
Yes
Cooling
Yes
Basement
No

 Courtesy of Pamela A O'Connor | Sotheby's International Realty - East Side Manhattan Brokerage

Based on information from DASH - Sotheby's International Realty (SIR) as of 10/10/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. 

©2026 DASH - Sotheby's International Realty (SIR). All rights reserved. 

Data last updated 7:07 AM UTC, 10/10/2026

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