SOLD FOR $3,100,000
Listed at $3,300,000 · Sold 6.1% below asking · Closed May 2, 2018
829 Park Avenue #4/5B
MLS® #RLS10066918
Listing by Elliman
3
Bedrooms
3
Baths
2,100
Sq. Ft.
1909
Year Built
Quick Summary
Property Highlights
- Style: Prewar architecture
- Character: Pre-war building (1909)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jun 20, 2017 | $3,800,000 | - |
| Price Reduced | Sep 17, 2017 | $3,500,000 | -7.9% |
| Currently | Jun 10, 2026 | $3,300,000 | -5.7% |
Description
Wonderful opportunity to purchase an elegant 8-room duplex residence with 3 bedrooms, 2.5 bathrooms (half bath can be made into a full bath), library, and staff room in prestigious Park Avenue full-service building. A private elevator landing welcomes you into an entry gallery that leads to a sprawling 27-foot wide corner living/dining area with West and North exposures and serene tree-top views over Park Avenue. There are plentiful prewar details, including distinctive oversized paneled windows, high beamed ceilings, hardwood floors and a wood-burning fireplace. There is a generously sized windowed eat-in kitchen with stone countertop and excellent storage, stainless steel appliances, and room for a laundry closet, as well as a library/den that could also be converted to bedroom, serviced by a full bath. A graceful stairway in the entry gallery brings you to the upper level, which is comprised of 3 bedrooms and two full bathrooms. The master bedroom features two exposures flooding the room with abundant natural light through oversized windows and direct Park Avenue views; as well as a windowed bathroom. The other two bedrooms have sunny south exposures. 829 Park Avenue is a distinctive pre-war limestone building constructed in 1910, and featured in the prestigious American Institute of Architects' AIA Guide to New York City. Offering the luxury service you expect from a building of this caliber, 829 Park Avenue features a beautifully renovated lobby, 24-hour doorman, on site superintendent, and fitness center. Located in prized location only two blocks from Central Park, and steps to Madison Avenue shopping and restaurants. Pets are welcome.
Features & Amenities
Interior Features
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
338
Median Asking Price
$1.52M
Median $/Sqft
$1,444
Avg Days on Market
N/A
New This Week
17
Price Reduced
36%
Sold (30 Days)
57
Median Sale Price
$1.94M
Live data from RLS at REBNY • Updated 6/10/26, 10:59 AM EST
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Location
829 Park Avenue #4/5B, Upper East Side, New York County • Near East 75th & 76th Streets
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 $4,701 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 3 bedrooms and 3 full bathrooms.
The listed interior living area is 2,100 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 1909, making it approximately 117 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.
At the current list price of $3,300,000 for 2,100 sq ft, the asking price per square foot is approximately $1,571. This figure is for reference only and may differ from appraised or assessed values.
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 Elliman - Lauren Muss
Listing Contact: (917) 509-7777
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 6/10/2026 at 2:59 PM UTC