9 E 88th Street
MLS® #RLS20084525
Listing by Bespoke Real Estate LLC
8
Bedrooms
8.5
Baths
15,950
Sq. Ft.
1899
Year Built
Quick Summary
Property Highlights
- Outdoor Space: Patio, Terrace
- Style: Prewar architecture
- Character: Pre-war building (1899)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Apr 15, 2026 | $35,000,000 | - |
| Currently | May 31, 2026 | $35,000,000 | - |
Description
This 26’ wide historic mansion in the Carnegie Hill Historic District boasts 14,125 SF+/- of abundant living space over 6 stories, a 1,525 SF+/- rooftop terrace, 300 SF+/- garden level, 8 bedrooms, 8 full and 2 half bathrooms, and an elevator servicing all levels.
Uncover this hidden gem of late 19th-century Manhattan history nestled in the very heart of Carnegie Hill – a rare grandeur mansion.
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Building Information
Financial Details
About Carnegie Hill
View All Carnegie Hill ListingsCarnegie Hill is a low-traffic residential section of the Upper East Side defined by proximity to Central Park and Museum Mile. The area features low-rise historic architecture and large pre-war cooperatives, with landmarked blocks and boutique retail along Madison Avenue.
Carnegie Hill Live Market Data
View NeighborhoodActive Listings
135
Median Asking Price
$2.90M
Median $/Sqft
$1,717
Avg Days on Market
N/A
New This Week
4
Price Reduced
39%
Sold (30 Days)
11
Median Sale Price
$1.92M
Live data from RLS at REBNY • Updated 5/30/26, 8:41 PM EST
Similar Listings in Carnegie Hill
View All
Browse More NYC Properties
In This Neighborhood
By Property Type
By Borough
Location
9 E 88th Street, Carnegie Hill, New York County • Near Fifth Avenue/Madison Avenue
Virtual Tour
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 annual property tax is $93,021, or roughly $7,752 per month. Verify the current assessment with your attorney before closing.
This property has 8 bedrooms and 8 full bathrooms and 2 half bathrooms.
The listed interior living area is 15,950 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 1899, making it approximately 127 years old.
This listing is None
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $35,000,000 for 15,950 sq ft, the asking price per square foot is approximately $2,194. 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 Bespoke Real Estate LLC - Cody Vichinsky
Listing Contact: (631) 500-9030
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 5/31/2026 at 12:41 AM UTC