Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $10,500,000

· Closed April 8, 2026

770 PARK Avenue #6/7B
Closed For Sale Co-op

$10,500,000

770 PARK Avenue #6/7B

Lenox Hill, Manhattan

MLS® #RLS20051725

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

4

Bedrooms

6.5

Baths

N/A

Sq. Ft.

1931

Year Built

Quick Summary

Bedrooms 4
Bathrooms 7 full, 1 half
Year Built 1931
Ownership Co-op
Maintenance $16,543/mo
Neighborhood Lenox Hill
Floor 6 of 19

Property Highlights

  • Views: City
  • Exposure: East,South,West facing
  • Fireplace: 2 fireplaces

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 12
Baths 6 Full, 1 Half
Floor 6 of 19
View City
Exposure East,South,West
Pets Yes
Year Built 1931
Structure Type HighRise
Basement Other
Block/Lot 01387/0037

Listing History

Event Date Price Change
Listed Sep 30, 2025 $11,750,000 -
Currently Apr 27, 2026 $10,500,000 -10.6%

Description

This grand and sophisticated duplex residence is located in the esteemed Rosario Candela-designed building at 770 Park Avenue in the heart of the Upper East Side. The apartment boasts a gracious layout with superb prewar details throughout. The entertaining rooms and three of the four bedrooms have an eastern exposure overlooking Park Avenue. Upon entering, you are greeted by an impressive entrance gallery with a sweeping curved staircase. The dramatic 30-foot living room with a wood-burning fireplace is sun-flooded through floor-to-ceiling windows with Juliet balconies. It is adjacent to the library with its own wood-burning fireplace and handsome built-in bookcases. The beautifully proportioned corner formal dining room is ideal for entertaining. The windowed gourmet eat-in kitchen offers custom cabinetry, ample countertops, two Subzero refrigerators, Viking 6-burner range, an additional oven, two sinks, two dishwashers and an icemaker. A staff room with full bath is conveniently located off the kitchen, as is a windowed laundry room that leads to the secondary staircase.

The upper level houses four bedrooms, including the sun-filled corner primary bedroom which features two large closets, a decorative fireplace and a spacious windowed ensuite bath. The secondary bedrooms are all generously proportioned with large ensuite baths and abundant closet space. There is also an office and second staff room with full bath on this floor.

Additional features of this residence include dentil or acanthus moldings distinctive to each of the public rooms, herringbone floors, through the wall air-conditioning, a powder room and ample storage throughout. A separate staff room located on the third floor of the building is included in the sale.

Built in 1930, 770 Park Avenue is a prestigious white-glove cooperative that is comprised of 42 residential units. The building is fully staffed with full-time doormen and a live-in resident manager. Additional amenities include a fitness center, laundry room, private storage and wine storage. Renovations are permitted between May 15th through September 15th. The building does not permit financing and there is a 3% flip tax payable by the purchaser. Pets and pied-a-terres are permitted with board approval.

Features & Amenities

Interior Features

Separate Formal Dining Room Building Other In Unit Fireplace (2)

Exterior Features

Juliet Balcony Private Outdoor Space Under60 Sqft

Building Amenities

Elevators

Building Information

Building Data View Compliance & Permits
Total Units 40
Stories 19
Structure HighRise

Financial Details

Maintenance $16,543/mo
Original Price $11,750,000
Sale Price $10,500,000
Previous Price $11,750,000

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

608

Median Asking Price

$1.22M

Median $/Sqft

$1,269

Avg Days on Market

N/A

New This Week

31

Price Reduced

34%

Sold (30 Days)

61

Median Sale Price

$1.29M

Live data from RLS at REBNY • Updated 4/27/26, 6:05 AM EST

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Location

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770 PARK Avenue #6/7B, Lenox Hill, New York County

Floor Plans

Floor Plan

Building Information

Official NYC property records for this building

1930
Year Built
96 years old
19
Floors
42
Residential Units
R10
Zoning District
Elevator Apartments Historic District: Upper East Side Historic District

Tax & Assessment

Assessed Value: $30,294,900
Land Value: $6,165,000
Exemptions: $2,290

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

Lot Area: 16,040 SF
Building Area: 200,244 SF
Built FAR: 12.48
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 $16,543 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 4 bedrooms and 6 full bathrooms and 1 half bathroom.

According to MLS records, the building was constructed in 1931, making it approximately 95 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: Upon Board Approval,Building Pets Allowed Comments:Upon Board Approval. Contact the listing broker for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.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: RLS20051725
First Listed: 9/30/2025
On Market: 9/30/2025
Price Changed: 4/8/2026
Closed: 4/8/2026
Contract Date: 9/30/2025

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Leslie R Coleman

Listing Contact: (212) 906-9387

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 4/27/2026 at 10:05 AM UTC

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