For Sale · Listing by Brown Harris Stevens Residential Sales LLC
1021 PARK Avenue #8/9B
Upper East Side, Manhattan
$5,500,000
1021 PARK Avenue #8/9B
MLS® #RLS20119281
Listing by Brown Harris Stevens Residential Sales LLC
- 3
- Bedrooms
- 4.5
- Baths
- N/A
- Sq. Ft.
- 1929
- Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: North,South facing
- Fireplace: 2 fireplaces
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Oct 8, 2026 | $5,500,000 | - |
| Currently | Oct 12, 2026 | $5,500,000 | - |
Description
This stunningly renovated three bedroom pre-war duplex offers an elegant layout perfectly suited for entertaining and gracious daily living. Upon entering from a semi-private landing you are greeted by a spacious foyer that seamlessly flows into an expansive living room centered by a wood burning fireplace with a Portoro Nero marble mantle and picturesque southern tree lined views. The living room flows into the inviting dining room/library, perfect for entertaining with custom bookshelves and a built-in dining banquette. Beyond, the floor-through, sunny, eat-in kitchen, has both southern and northern exposures, and boasts Caesarstone countertops, porcelain tiled floors and a delightful window seat. Top tier appliances include: a Bertazzoni stove with vented hood, Sub-Zero refrigerator and freezer, Marvel wine cooler and 2 Miele dishwashers. A dedicated laundry hall and pantry houses a modern LG washer/dryer, secondary sink and copious storage. Adjacent is a stylish home office with custom millwork and views over Park Avenue and the landmarked Lewis Gouverneur Morris house at 1015 Park Avenue. Off the kitchen is a chic and convenient powder room. A classic Rosario Candela staircase gracefully ascends to the second floor, where 3 spacious bedrooms and 4 baths, all with radiant heat, are located. A charming, glass-tiled powder room is situated halfway up the stairs. The generous primary suite is a serene retreat with its own wood-burning fireplace and beautiful 19th century Louis XV style marble mantle and marble bath with soaking tub. Additionally, there is a large walk-in dressing room with custom California closets and another full bath. Across the landing are two additional sunlit bedrooms with en-suite baths. This exceptional residence features lovely herringbone wood floors, Waterworks and Lefroy Brooks fixtures, a built-in multi-room speaker system with A/V closet, and original brass hardware. Through-wall A/Cs ensure year-round comfort. Two basement storage rooms transfer with the purchase . Designed by the renowned Rosario Candela in 1929, 1021 Park Avenue is an iconic full service, pre-war, building located in Carnegie Hill just blocks from Central Park , the Metropolitan Museum, fine shops and dining. Amenities include a live-in Resident manager, 24-hour doorman and fitness center. Pets are permitted as is 50% financing. A 2.5% flip tax is paid by the purchaser.
Features & Amenities
Interior Features
Exterior 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
314
Median Asking Price
$1.70M
Median $/Sqft
$1,498
Avg Days on Market
N/A
New This Week
14
Price Reduced
28%
Sold (30 Days)
54
Median Sale Price
$1.52M
Live data from RLS at REBNY • Updated 10/12/26, 12:33 AM EST
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Location
1021 PARK Avenue #8/9B, 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 $10,197 per month. Confirm the exact amount with Milton Coste before making an offer.
This property has 3 bedrooms and 4 full bathrooms and 1 half bathroom.
According to MLS records, the building was constructed in 1929, making it approximately 97 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 milton@miltoncoste.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 - Jill Roosevelt
Listing Contact: (212) 906-9340
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.
How working with a buyer's agent works: I work for you, not the seller. Before I show you anything, New York brokerage rules ask us to put that in writing: an agreement and a disclosure that say I work for you and negotiate on your behalf. The agreement is non-exclusive: you can work with other agents, it runs for a short fixed term we agree on, and you can end it with a note. You may attend open houses independently without an agreement. Read how it works
RLS Data display by Keller Williams NYC. Data last updated on 10/12/2026 at 4:33 AM UTC
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Sale history, taxes, violations and comps for this unit
Before you bid
Pre-Offer Report: 1021 PARK Avenue #8/9B
At $5,500,000, the listing leaves out what decides the offer: the recorded sale history, the tax and abatement picture, open building violations and permits, and the closed sales that set the price. Milton prepares the report from public records. No obligation.
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What happens next
- 1Milton emails you today.
- 2A short call about what you want and when.
- 3The agreement arrives electronically after the call. Then showings.
Your info is secure and never shared.
You're contacting Milton Coste, a buyer's agent. Before any private showing, New York brokerage rules require a short non-exclusive agreement. Milton walks you through it before you sign anything. Broker commissions are not set by law and are fully negotiable. How working together works.
Upper East Side Market Update
54 sales last 30 days · $1.70M median · 5.8 months supply
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Quick Facts
Monthly Costs Estimate
$1,100,000
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
$123,750
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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