Closed For Sale • Co-op

$8,330,000

840 PARK Avenue #5/6A

Upper East Side, Manhattan

null

MLS® #RLS10763720

Listing by Brown Harris Stevens Residential Sales LLC

4

Bedrooms

5.5

Baths

N/A

Sq. Ft.

1911

Year Built

Quick Summary

Bedrooms 4

Bathrooms 5 full, 1 half

Year Built 1911

Ownership Co-op

Maintenance $10,155/mo

Neighborhood Upper East Side

Floor 6 of 13

Property Highlights

• Exposure: East,North,South facing
• Style: Prewar architecture
• Character: Pre-war building (1911)

Property Details

Type Co-op

Ownership Stock Cooperative

Total Rooms 11

Baths 4 Full, 1 Half

Floor 6 of 13

Exposure East,North,South

Pets Yes

Cross Street EAST 76 STREET and EAST 77 STREET

Year Built 1911

Architectural Style Prewar

Description

This mint condition 11-room duplex is located in one of Park Avenue's most sought after limestone-clad buildings on the northwest corner of 76th Street and Park Avenue. It is in perfect move-in condition.

An elegant 18-foot gallery open onto the three grand entertainment rooms, each of which has multiple floor-to-ceilings French doors/windows opening onto charming Juliette planting balconies. The oversized French doors/windows allow for excellent natural light to pour in throughout the day. The home enjoys exceptionally high 10-foot ceilings, wonderful architectural detail and four wood-burning fireplaces. An enormous and beautifully renovated 18 x 18 square eat in kitchen with top of the line appliances and custom cabinetry is situated off the center gallery as well. Completing the entertainment floor of this magnificent residence is a laundry/staff room, as well as a perfectly situated powder room near the entrance.

The private upstairs bedroom wing consists of 4/5 bedrooms and 4 full baths, all of which enjoy wonderful light. The enormous master bedroom suite faces south and has an exceptionally large 12 x 12 marble master bath, with ample adjoining closet space and a dressing area.

840 Park Avenue was built in 1912 by renowned architects George and Edward Blum. Residents of this white glove cooperative enjoy the highest level of service, privacy and security. The building permits 30% financing and there is a 2.5% flip tax payable by the buyer.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed

Appliances

Dryer Washer Dryer Allowed Washer

Building Information

Building null

Total Units 19

Stories 13

Style Prewar

Financial Details

Maintenance $10,155/mo

Original Price $10,000,000

Sale Price $8,330,000

About Upper East Side

View All Upper East Side Listings

The Upper East Side remains the gold standard for classic New York elegance. Known for 'Museum Mile' and its quiet, tree-lined streets, the neighborhood offers a refined lifestyle away from the midtown bustle. While famous for its historic cooperatives, the area has seen a recent surge in ultra-luxury new construction condos, particularly along the Second Avenue Subway corridor, making it a top choice for both traditionalists and modern buyers.

Upper East Side Live Market Data

View Neighborhood

Active Listings

322

Median Asking Price

$1.51M

Median $/Sqft

$1,532

Avg Days on Market

N/A

New This Week

28

Price Reduced

24%

Sold (30 Days)

29

Median Sale Price

$1.39M

Live data from RLS at REBNY • Updated 4/8/26, 12:55 PM EST

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Location

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840 PARK Avenue #5/6A, Upper East Side, New York County • Near EAST 76 STREET and EAST 77 STREET

NYC Zoning • Google Maps • Street View

Floor Plans

Data Sources & Methodology

Listing Data

RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.

Market Data

RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.

Map & Location

OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.

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MLS® ID: RLS10763720

First Listed: 10/22/2019

Price Changed: 5/20/2021

Closed: 4/3/2022

Contract Date: 10/23/2019

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - John Burger

Listing Contact: (212) 906-9274

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.

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RLS Data display by Keller Williams NYC. Data last updated on 4/8/2026 at 4:55 PM UTC