- Overview
- Description
- Property Details
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- HOA Management
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$3,450,000
Monthly Est:$17,172
4 Beds
- 4 Baths
3 full baths + 1 half bath
322,801sqft
870 United Nations Plz #PH 37/38B, New York, NY 10017
$3,450,000
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Apartment
Built in 1966
$11,367/mo HOA
2.03 acres lot
$11/sq.ft
Description
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.
- Houzeo last checked: 12 hours ago
- Listing updated: July 23, 2026 at 9:24 pm
- Listing Provided by: Pamela A Oconnor (212) 606-7709 | Sothebys International Realty (212) 606-7660
- Source: Rebny MLS-NY | MLS#: RLS20066868

This condo is in:
Property Details
Status
Active
Type
Condominium
No. of Stories
38
County
City
Neighborhood
Year Built
1966
HOA Fees
$11367/mo
Finished Area
322,801 sqft
Lot Size
2.03 acres lot
Basement Area
- sqft
MLS Name
Rebny MLS
MLS Number
RLS20066868
Days on Market
293

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Location
HOA Management
N/A
HOA Fees
$11,367/ Monthly
Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 4
Bathrooms: 4
Interior
Appliances
Dryer, Washer Dryer Stacked, Dishwasher, Washer
Cooling
Central Air
Flooring
Hardwood
Utilities & Energy
Laundry Features
Common On Floor, Common Area, Laundry Room, In Unit
Fireplace Features
Wood Burning
Other Features
Subdivision Name
Beekman
Price History
| Date | Event | Price |
|---|---|---|
03/18/2026 Source: | Price Decreased | $3,450,000 -12.66% $11/sqft |
01/14/2026 Source: | Price Decreased | $3,950,000 -1.13% $12/sqft |
01/14/2026 Source: | Price Increased | $3,995,000 +15.80% $12/sqft |
01/14/2026 Source: | Listed for Sale | $3,450,000 $11/sqft |
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The real estate listing data marked with this icon comes from the IDX program of the RLS at REBNY Listing Service (RLS). Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS") through Nov 02, 2026, 02:15PM. Information deemed reliable but not guaranteed. Information is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than the identification of potential properties for purchase. The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. Buyer to verify all information. © 2026 The Real Estate Board of New York, Inc. All rights reserved.
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