For Sale · Listing by Corcoran Group
850 PARK Avenue #5D
Lenox Hill, Manhattan
$5,450,000
850 PARK Avenue #5D
MLS® #RLS20076877
Listing by Corcoran Group
- 4
- Bedrooms
- 3.5
- Baths
- N/A
- Sq. Ft.
- 1914
- Year Built
Quick Summary
Property Highlights
- Exposure: North,South,West facing
- Fireplace: 1 fireplace
- Character: Pre-war building (1914)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Mar 12, 2026 | $5,600,000 | - |
| Currently | Sep 9, 2026 | $5,450,000 | -2.7% |
Description
Introducing an exceptional opportunity at 850 Park Avenue - a truly turnkey residence in spotless, mint renovated condition. This expansive home offers three bedrooms plus a staff room and three-and-a-half beautifully appointed bathrooms. The gracious layout includes a generous living room, dining area, and spacious library, creating an ideal balance of elegant entertaining space and comfortable everyday living. The fully renovated kitchen is outfitted with top-of-the-line appliances, custom cabinetry, and premium finishes, reflecting meticulous attention to detail throughout the home. Every room has been thoughtfully updated and impeccably maintained, presenting in pristine, move-in-ready condition. 850 Park Avenue is an impeccably managed, full-service prewar cooperative. Built in 1924 and designed by Rouse & Goldstone, this elegant 12-story building comprises approximately 50 residences. Residents enjoy a 24-hour doorman, live-in superintendent, and a beautifully maintained lobby that preserves its classic Park Avenue grandeur. Additional amenities include assigned storage, bicycle storage, a fitness room, basketball court, courtyard, and a play area. The building is pet-friendly, and pied-à-terre ownership is permitted with board approval. There is a 2.5% flip tax paid by the purchaser.
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Appliances
Building Information
Financial Details
About Lenox Hill
View All Lenox Hill ListingsLenox 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 NeighborhoodActive Listings
443
Median Asking Price
$1.50M
Median $/Sqft
$1,530
Avg Days on Market
N/A
New This Week
46
Price Reduced
35%
Sold (30 Days)
78
Median Sale Price
$1.32M
Live data from RLS at REBNY • Updated 9/8/26, 9:08 PM EST
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Location
850 PARK Avenue #5D, Lenox Hill, 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)
Want help estimating ownership costs or understanding building compliance? Let's discuss
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.
All data is provided for informational purposes only and should be independently verified. See our Data Sources Policy for more information.
Frequently Asked Questions
Common questions about this property
The current listed monthly maintenance are $6,917 per month. Confirm the exact amount with Milton Coste before making an offer.
This property has 4 bedrooms and 3 full bathrooms and 1 half bathroom.
According to MLS records, the building was constructed in 1914, making it approximately 112 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: Pets Allowed.,Building Pets Allowed Comments:Pets Allowed.. Contact Milton Coste 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 Corcoran Group - Caroline Greiner
Listing Contact: (412) 559-6860
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 9/9/2026 at 1:08 AM UTC
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Quick Facts
Monthly Costs Estimate
$1,090,000
Source: Freddie Mac PMMS
Est. Monthly Payment
$0
Estimates only. Consult a lender for exact figures.
Mansion tax applies at this price point
New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $5M to $9,999,999 at 2.25%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.
Estimated mansion tax at asking
$122,625
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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