Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

860 Fifth Avenue #9/10JK
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Pending For Sale Co-op

$6,950,000

860 Fifth Avenue #9/10JK

Lenox Hill, Manhattan

MLS® #RLS20056954

RLS at REBNY

Listing by Sothebys International Realty

4

Bedrooms

4.5

Baths

N/A

Sq. Ft.

1949

Year Built

Quick Summary

Bedrooms 4
Bathrooms 5 full, 2 half
Lot Size 24,800 sq ft
Year Built 1949
Ownership Co-op
Maintenance $11,148/mo
Parking Garage
Neighborhood Lenox Hill

Property Highlights

  • Views: City
  • Exposure: North,South,West facing
  • Parking: Private garage

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 10
Baths 4 Full, 2 Half
View City
Exposure North,South,West
Pets Yes
Year Built 1949
Parking Garage Available
Structure Type HighRise
Flooring Hardwood
Lot Size 24,800 sq ft
Block/Lot 01382/0069

Listing History

Event Date Price Change
Listed Oct 28, 2025 $6,950,000 -
Currently May 13, 2026 $6,950,000 -

Description

LOCATION AND VIEWS! A high floor, large 10 Room Duplex Cooperative residence with spectacular direct Central Park views just above the trees from huge picture windows located on Fifth Avenue’s Gold Coast in the heart of the Upper East Side. This stunning home features 4 Bedrooms, 4 Baths, 2 Powder Rooms and boasts custom moldings, wainscoting and millwork, gorgeous herringbone hardwood floors, a large chef’s kitchen, an abundance of custom outfitted closets. A staircase combines the two floor residence into a home with large unmatched proportions. 10th Floor: A grand Entry Gallery leads to the majestic entertaining spaces with a Living Room, open Library and Solarium overlooking Central Park with remarkable Park and Iconic City/Skyline views. The home features nearly 50 feet of Fifth Avenue Frontage. The Formal Dining Room is off of the Gallery and has open eastern views with exposures to the park across the Living Room. A Butler’s Pantry leads to the windowed Chef’s Kitchen and a Breakfast Area/Bedroom/Office with a full Bath. A private Bedroom faces east with excellent light featuring an en-suite newly renovated full Bath and large closets. A newly completed Powder Room is conveniently located off of the Gallery for guests. The enormous, corner Primary Bedroom Suite is perched over Central Park with views south, west and north with new Bath and exceptional closet facing the park and a 2nd Full marble Bath. 9th Floor: A curved staircase leads to this floor where there is another large, corner Bedroom with captivating Central Park and City/Skyline views. A Guest Bedroom/Gym facing the park, 1.5 Baths, Laundry and large closet space completes this level. Situated on Sixty-Eighth Street, 860 Fifth Avenue is a full service Cooperative with the highest level of services including Door Attendants, a Concierge, Elevator Attendants and a Resident Manager. Amenities include a Garage with direct entry to the building and a reduced rate for owners, a Gym, individual Storage space, Bike Room and Laundry Room. Pets permitted with Board Approval. A 2% flip tax is payable by the buyer. Residence 9/10JK is a spectacular offering. The home is perfect for grand entertaining, comfortable living and is your passport to an elevated lifestyle overlooking Central Park.

Features & Amenities

Interior Features

Entrance Foyer Eat In Kitchen Elevator High Speed Internet Kitchen Window Common On Floor In Unit Flooring: Hardwood

Exterior Features

Building Storage

Building Amenities

Elevators

Appliances

Dryer Washer Dryer Stacked Dishwasher Washer

Building Information

Building Data View Compliance & Permits
Total Units 157
Stories 21
Structure HighRise

Financial Details

Maintenance $11,148/mo

Lenox Hill occupies a residential section of the Upper East Side, defined by proximity to Central Park, major medical institutions (Memorial Sloan Kettering, Weill Cornell, Lenox Hill Hospital), and the Madison Avenue retail corridor. Housing stock ranges from large pre-war cooperatives to modern condominiums with East River and skyline views.

Lenox Hill Live Market Data

View Neighborhood

Active Listings

632

Median Asking Price

$1.65M

Median $/Sqft

$1,399

Avg Days on Market

N/A

New This Week

35

Price Reduced

36%

Sold (30 Days)

66

Median Sale Price

$1.40M

Live data from RLS at REBNY • Updated 5/13/26, 12:08 PM EST

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Location

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860 Fifth Avenue #9/10JK, Lenox Hill, New York County

Virtual Tour

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1949
Year Built
77 years old
21
Floors
157
Residential Units
R10
Zoning District
Elevator Apartments Historic District: Upper East Side Historic District

Tax & Assessment

Assessed Value: $48,719,250
Land Value: $9,720,000
Exemptions: $59,478

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

Lot Area: 24,800 SF
Building Area: 306,573 SF
Built FAR: 12.36
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 $11,148 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.

This property has 4 bedrooms and 4 full bathrooms and 2 half bathrooms.

According to MLS records, the building was constructed in 1949, making it approximately 77 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. Contact the listing broker for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. 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: RLS20056954
First Listed: 10/28/2025
On Market: 10/28/2025
Price Changed: 10/28/2025
Pending Since: 3/20/2026
Contract Date: 10/26/2025

Listing Courtesy of Sothebys International Realty - Nikki Field

Listing Contact: (212) 606-7669

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 5/13/2026 at 4:08 PM UTC

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