850 PARK Avenue #10B
MLS® #RLS10886692
Listing by Sotheby's International Realty, Inc.
3
Bedrooms
3.5
Baths
N/A
Sq. Ft.
1913
Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: East,South facing
- Climate Control: Central Air
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jan 2, 2019 | $7,000,000 | - |
| Currently | Apr 27, 2026 | $7,000,000 | - |
Description
Perfectly located on Park Avenue at 77th Street, 850 Park Avenue is a distinguished full service pre-war cooperative building designed in 1914. This glamorous 8 room, triple mint condition apartment is perfectly situated on a high floor with wonderfully sunny open city views. The absolutely stunning residence was recently and meticulously renovated to the highest standards. The beautiful sweep of Entertaining Rooms include a wonderful Entrance Gallery as well as a vast Living Room with a cheery Library and a large Dining Room. Each of these rooms enjoy picturesque open city views and loads of light. This is a fabulous entertaining apartment that also boasts an extremely private and super luxurious Master Bedroom Suite overlooking Park Avenue with a white marble clad Bath, extraordinary closets and amazing sunlight. Beyond there is another Bedroom with a beautiful ensuite white marble Bath and tremendous closet space. Offering ample versatility, the adjacent Library includes a Wet Bar and can easily be converted into a Third Bedroom. The fully equipped and stylish chef's Eat-In Kitchen enjoys open views and includes a Laundry Area and a sizable Staff Room/Office with a full size Bath. A gorgeous Pantry and a marble Powder Room complete the layout of this Park Avenue residence. Noteworthy features include extraordinary custom millwork, elegant finishes, multiple zone central air conditioning and heating, exquisite Venetian plaster treatments, soundproof windows and hardwood floors as well as a state-of-the-art sound system. Offered in truly superb immaculate condition, this newly renovated residence was finished to the very highest standards and offers an uber chic take on a classic prewar residence.
Features & Amenities
Interior Features
Appliances
Building Information
Financial Details
About Upper East Side
View All Upper East Side ListingsThe Upper East Side remains the gold standard for classic New York elegance. Known for 'Museum Mile' and its low-traffic, 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 NeighborhoodActive Listings
342
Median Asking Price
$1.44M
Median $/Sqft
$1,559
Avg Days on Market
N/A
New This Week
30
Price Reduced
28%
Sold (30 Days)
32
Median Sale Price
$1.52M
Live data from RLS at REBNY • Updated 4/27/26, 5:15 PM EST
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Location
850 PARK Avenue #10B, Upper East Side, New York County
Floor Plans
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
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Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
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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Frequently Asked Questions
Common questions about this property
The current listed monthly maintenance are $7,856 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 3 bedrooms and 3 full bathrooms and 1 half bathroom.
According to MLS records, the building was constructed in 1913, making it approximately 113 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) 416-7433Listing Courtesy of Sotheby's International Realty, Inc. - Serena Boardman
Listing Contact: (212) 606-7611
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 Data display by Keller Williams NYC. Data last updated on 4/27/2026 at 9:15 PM UTC