For Sale · Listing by Sothebys International Realty
830 Park Avenue #5/6C
Upper East Side, Manhattan
$3,599,000
830 Park Avenue #5/6C
MLS® #RLS20062376
Listing by Sothebys International Realty
- 4
- Bedrooms
- 3
- Baths
- N/A
- Sq. Ft.
- 1912
- Year Built
Quick Summary
Property Highlights
- Exposure: East,North,South,West facing
- Fireplace: 1 fireplace
- Character: Pre-war building (1912)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Dec 4, 2025 | $4,285,000 | - |
| Price Reduced | Jun 2, 2026 | $3,995,000 | -6.8% |
| Currently | Aug 17, 2026 | $3,599,000 | -9.9% |
Description
Perfectly situated on Park Avenue and East 76th Street, this crisp, classic and mostly original 9 into 8 room Duplex cooperative apartment is available for the first time in decades. The sprawling apartment offers an impressive suite of entertaining rooms, a large eat in Kitchen, as well as the flexibility of four Bedrooms. Distinguished by large windows, multiple corner exposures and a unique garden facing semi-circular bay window; the apartment is an absolute delight. A gracious Reception Room with wood burning fireplace centers the first level. To the East lies a corner living room and to the west a lovely dining room just off the Kitchen. The large and bright eat-in Kitchen adjoins the double Staff/office/guest Room full bath and Laundry. Up an expansive flight of stairs is a lovely corner Primary Bedroom with an extremely large Bath. Two additional Bedrooms offer ample closet space and one more Bath. High ceilings, beautiful period moldings, hardwood floors, and classic architectural details are all part of this residence’s appeal and provide the ideal setting for elegant entertaining and comfortable living. 830 Park Avenue is a distinguished prewar cooperative perfectly situated on the Southwest corner of 76th Street, in the heart of the Upper East Side. 50% financing permitted and 2.5% flip tax payable by the purchaser. *Some Images are Virtually Staged
Features & Amenities
Interior Features
Building Amenities
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
217
Median Asking Price
$1.85M
Median $/Sqft
$1,620
Avg Days on Market
N/A
New This Week
7
Price Reduced
38%
Sold (30 Days)
29
Median Sale Price
$1.01M
Live data from RLS at REBNY • Updated 8/17/26, 8:12 AM EST
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Location
830 Park Avenue #5/6C, 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)
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 $8,629 per month. Confirm the exact amount with Milton Coste before making an offer.
The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.
This property has 4 bedrooms and 3 full bathrooms.
According to MLS records, the building was constructed in 1912, making it approximately 114 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 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 Sothebys International Realty - Randall Gianopulos
Listing Contact: (212) 606-7622
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 8/17/2026 at 12:12 PM UTC
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Upper East Side Market Update
29 sales last 30 days · $1.85M median · 7.5 months supply
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Quick Facts
Monthly Costs Estimate
$719,800
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 $3M to $4,999,999 at 1.50%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.
Estimated mansion tax at asking
$53,985
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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