Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $3,650,000

· Closed February 6, 2023

850 PARK Avenue #7B
Closed For Sale Co-op

$3,650,000

850 PARK Avenue #7B

Upper East Side, Manhattan

null

MLS® #RLS10824784

RLS at REBNY

Listing by Corcoran Group

2

Bedrooms

4.5

Baths

N/A

Sq. Ft.

1914

Year Built

Quick Summary

Bedrooms 2
Bathrooms 4 full, 1 half
Year Built 1914
Ownership Co-op
Maintenance $7,141/mo
Neighborhood Upper East Side
Floor 7 of 12

Property Highlights

  • Exposure: East,North facing
  • Style: Prewar architecture
  • Character: Pre-war building (1914)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 7
Baths 3 Full, 1 Half
Floor 7 of 12
Exposure East,North
Pets Yes
Cross Street EAST 76 STREET and EAST 77 STREET
Year Built 1914
Architectural Style Prewar
Parcel # 1391-0040-00850-000-000007B

Description

This prewar Park Avenue eight into seven room residence is located in one of the Upper East Side's premier white-glove co-operatives. Drenched in sunlight, the corner residence boasts grand oversized entertaining rooms perfectly suited for gracious entertaining and living. There are two bedroom suites, three windowed bathrooms, a powder room as well as a staff bedroom, and an outside office. Throughout the magnificent home there are 10-foot ceilings, oversized windows, prewar architectural details, hardwood floors, and picturesque views.

Off its own semi-private elevator landing is an impressive 26-foot-long entrance gallery with herringbone floors and two large coat closets. There is a palatial living room that is 26' by 21'6" and has four oversized windows facing onto 77th Street. The stunning room is perfectly proportioned and features a wood burning fireplace. Adjacent is the formal dining room which affords an elegant space for gatherings. A chef's dream, there is a large windowed eat-in kitchen which also has a separate windowed breakfast room. The kitchen has been meticulously renovated and it is equipped with top-of-the-line appliances including a Subzero refrigerator/freezer, two Viking ovens, a Viking range, a Miele dishwasher, and a Waterworks sink. There is a laundry area with a Bosch washer/dryer as well as a large butler's pantry with a sink, a second dishwasher, and endless amounts of storage. Off the kitchen is an oversized staff bedroom with an en-suite windowed bathroom. The apartment comes with an outside office which is located on the same floor off the back entrance to the home. Completing the public spaces is an elegant powder room.

As for the private quarters, there is a separate bedroom hallway. In the corner is the primary bedroom suite which faces east over Park Avenue and north onto 77th Street with picturesque treetop views. It has a windowed en-suite bathroom and a large walk-in closet. The second bedroom suite overlooks Park Avenue and has a dressing room, as well as three additional closets, one of which is a walk-in. It also has an en-suite windowed bathroom. A storage bin is assigned with the sale. The building allows up to 30% financing and there is a 2.5% flip tax.

Built in 1924 by Rouse & Goldstone, this premier prewar white glove co-operative is located on the southwest corner of Park Avenue and 77th Street. There is a full-time doorman, fitness center, basketball court, play area, courtyard, and bicycle room. The co-operative is pet friendly and pied-a-terre buyers are permitted upon board approval.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed

Appliances

Dryer Washer Dryer Allowed Washer

Building Information

Building null
Total Units 43
Stories 12
Style Prewar

Financial Details

Maintenance $7,141/mo
Original Price $3,695,000
Sale Price $3,650,000
Previous Price $3,695,000

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

310

Median Asking Price

$1.41M

Median $/Sqft

$1,488

Avg Days on Market

N/A

New This Week

8

Price Reduced

24%

Sold (30 Days)

31

Median Sale Price

$1.48M

Live data from RLS at REBNY • Updated 4/1/26, 8:59 PM EST

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Location

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850 PARK Avenue #7B, Upper East Side, New York County • Near EAST 76 STREET and EAST 77 STREET

Floor Plans

Floor Plan
MLS® ID: RLS10824784
First Listed: 9/12/2022
Price Changed: 2/6/2023
Closed: 2/6/2023
Contract Date: 9/12/2022

Listing Courtesy of Corcoran Group - Cathy Franklin

Listing Contact: (917) 863-8209

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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 4/2/2026 at 12:59 AM UTC

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