Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

870 UNITED NATIONS Plaza #18A

Pending · Listing by Brown Harris Stevens Residential Sales LLC

870 UNITED NATIONS Plaza #18A

Beekman, Manhattan

$1,650,000

Interested in this property?
Pending For Sale Co-op

$1,650,000

$994 per sq ft

870 UNITED NATIONS Plaza #18A

Beekman, Manhattan

MLS® #RLS20080309

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

2
Bedrooms
2
Baths
1,660
Sq. Ft.
1967
Year Built

Quick Summary

Bedrooms 2
Bathrooms 2
Living Area 1,660 sq ft
Year Built 1967
Ownership Co-op
Maintenance $3,497/mo
Parking Garage
Neighborhood Beekman
Floor 18 of 38

Property Highlights

  • Views: Other
  • Exposure: South,West facing
  • Climate Control: Other

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 2 Full
Floor 18 of 38
View Other
Exposure South,West
Cooling Other
Pets Yes
Year Built 1967
Living Area 1,660 sq ft
Parking Garage Available
Structure Type HighRise
Basement Other
Parcel # 1360-9002-00870-000-000018A
Block/Lot 01360/7501

Listing History

Event Date Price Change
Listed Mar 30, 2026 $1,650,000 -
Currently Aug 12, 2026 $1,650,000 -

Description

870 United Nations Plaza, Unit 18A is a stunning professionally designed and recently renovated residence with spectacular south views of the East River and the United Nations Gardens and a west view that includes the Chrysler Building. This elegant space boasts an impressive 1,660 square feet, ensuring every room is beautifully spacious and inviting. 18A perfectly captures the essence of elegant New York City living with a grand 17 ft. entry gallery, abundant natural light in all the rooms due to the glass curtain walls, expansive living and dining room designed for both comfort and style. The glamorous windowed kitchen features seating facing the river and UN gardens. The exceptional designer renovation includes custom cabinetry, a bar with wine refrigerator, a Bosch Washer and Dryer, microwave and dishwasher, and a Wolf stove. Both primary bedrooms have ample storage including walk in closets. There are two renovated marble baths. The luxurious primary bath has been thoughtfully enlarged and has a generous walk in shower and long custom vanity. The home also includes an ample basement storage locker. 870 United Nations Plaza was designed by master architects Harrison & Abramovitz and is one of the worlds most iconic residences in a mid-century Modern International Style . This architecturally prestigious luxury Cooperative has the longest private Driveway in the city which leads to a grand triple-height Lobby. 53 staff members provide residents with 24 hr service and security. Superb amenities are on-site Management Office, new Fitness Center, Pilates Studio, Private Residents Club 39 a Lounge with Kitchen and entertainment rooms, 2 Conference Rooms, Golf Simulator, Billiards Room, in-house Dry Cleaning Service, Rooftop Sun Decks and Garage. Pets are welcome. Apartments may be purchased in a Qualified Personal Residential Trust. Foreign buyers welcome with USA based assets. 75% Financing Permitted. 3% flip tax paid by buyer. Maintenance $3497/m, Utilities $1110/m (includes electric, gas, water, basic cable & internet & window washing).

Features & Amenities

Interior Features

Building None In Unit

Exterior Features

Building Courtyard Building Roof Deck

Building Amenities

Bike Storage Cold Storage Concierge Elevators Game Room Golf Simulator Room Kitchen Facilities Storage

Building Information

Building Data View Compliance & Permits
Total Units 1
Stories 38
Structure HighRise

Financial Details

Maintenance $3,497/mo

Beekman occupies a low-traffic pocket on Manhattan's East Side, centered on the two-block Beekman Place between 49th and 51st Streets with direct views of the East River. The housing stock features well-maintained prewar cooperatives, ivy-covered townhouses, and luxury condominiums, with the E, M, and 6 trains at nearby Lexington Avenue stations and the 4, 5, 6, and 7 at Grand Central-42nd Street. Peter Detmold Park and the East River esplanade provide waterfront green space within steps of the residential core.

Beekman Live Market Data

View Neighborhood

Active Listings

36

Median Asking Price

$1.67M

Median $/Sqft

$1,063

Avg Days on Market

N/A

New This Week

1

Price Reduced

42%

Sold (30 Days)

4

Median Sale Price

$1.63M

Live data from RLS at REBNY • Updated 8/12/26, 4:24 PM EST

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Location

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870 UNITED NATIONS Plaza #18A, Beekman, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1967
Year Built
59 years old
37
Floors
C5-2
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $64,143,272
Land Value: $10,664,999
Exemptions: $29,250,383

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 88,357 SF
Building Area: 306,964 SF
Built FAR: 3.47
Allowed FAR: 10

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed monthly maintenance are $3,497 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 2 bedrooms and 2 full bathrooms.

The listed interior living area is 1,660 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1967, making it approximately 59 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pets are permitted at this property: N/A,Building Pets Allowed Comments:N/A. Contact Milton Coste for weight limits or breed restrictions.

At the current list price of $1,650,000 for 1,660 sq ft, the asking price per square foot is approximately $994. This figure is for reference only and may differ from appraised or assessed values.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or milton@miltoncoste.com. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS20080309
First Listed: 3/30/2026
On Market: 3/30/2026
Price Changed: 3/30/2026
Pending Since: 5/15/2026
Contract Date: 3/30/2026

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Jessica G Ushan

Listing Contact: (212) 906-9325

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). 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. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 8/12/2026 at 8:24 PM UTC

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Beekman Market Update

4 sales last 30 days · $1.67M median · 9 months supply

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Quick Facts

Status Pending Type Co-op Neighborhood Beekman Borough Manhattan
County New York
Floor 18 of 38
Year Built 1967
First Listed 3/30/2026
Parking Garage
Living Area 1,660 sqft
Maintenance $3,497/mo

Monthly Costs Estimate

Down Payment 20%

$330,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $3,497
Total Monthly $0

Estimates only. Consult a lender for exact figures.

Mansion tax applies at this price point

New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $1M to $1,999,999 at 1.00%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$16,500

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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