840 PARK Avenue #12B
MLS® #RLS10773084
Listing by Brown Harris Stevens Residential Sales LLC
3
Bedrooms
2
Baths
N/A
Sq. Ft.
1911
Year Built
Quick Summary
Property Highlights
- Style: Prewar architecture
- Character: Pre-war building (1911)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Oct 12, 2021 | $2,995,000 | - |
| Currently | May 10, 2026 | $2,725,000 | -9.0% |
Description
This renovated 7 room, 3 bedroom apartment is perched high above Park Avenue on the top floor, bathed in Eastern light. Enter the foyer off a semi-private elevator vestibule to a sun-filled double living room with six 8 over 8 paned gorgeous windows overlooking Park Avenue and blue skies. The living room and dining room have been combined and the room is stunning with 35 feet of entertainment space. It features a wood-burning fireplace, elegant built-ins, new windows, and charming green window boxes with wrought-iron details.
The primary bedroom is also on Park Avenue and features a second wood-burning fireplace as well as a walk-in closet and an enlarged windowed. The second and third bedroom share their own hallway bathroom; however, the second bedroom is currently being used as a dressing room with four major closets and a walk-in cedar closet. The third bedroom has corner exposure with lovely light.
The enormous eat-in kitchen is bathed in western light with open city views. The kitchen has a Miele dishwasher, Jenn-air refrigerator, Thermador 5-burner stove, Viking double ovens, through-wall air conditioning, and a wet bar. The apartment features high ceilings, elegant moldings, and a washer/dryer.
840 Park Avenue is a premier Pre-war luxury co-operative built in 1914 by George and Edward Blum. The building is a magnificent 12 story limestone building ideally situated on the corner of 76th and Park Avenue in the heart of the Upper East Side. Pets and pied-a-terres welcome and a storage cage transfers with the apartment. There is a 2.5% flip tax. 50% FINANCING IS NOW ALLOWED!
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
$1.80M
Median $/Sqft
$1,574
Avg Days on Market
N/A
New This Week
20
Price Reduced
29%
Sold (30 Days)
39
Median Sale Price
$1.59M
Live data from RLS at REBNY • Updated 5/9/26, 11:40 PM EST
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Location
840 PARK Avenue #12B, Upper East Side, New York County • Near EAST 76 STREET and EAST 77 STREET
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 $8,444 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 3 bedrooms and 2 full bathrooms.
According to MLS records, the building was constructed in 1911, making it approximately 115 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 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) 416-7433Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Katharine Tuckerman
Listing Contact: (212) 906-9228
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 5/10/2026 at 3:40 AM UTC