Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
1088 PARK Avenue #9A

For Sale · Listing by Corcoran Group

1088 PARK Avenue #9A

Carnegie Hill, Manhattan

$5,650,000

Interested in this property?
Active For Sale Co-op

$5,650,000

1088 PARK Avenue #9A

Carnegie Hill, Manhattan

MLS® #RLS20114829

RLS at REBNY

Listing by Corcoran Group

4
Bedrooms
4
Baths
N/A
Sq. Ft.
1927
Year Built

Quick Summary

Bedrooms 4
Bathrooms 4
Year Built 1927
Ownership Co-op
Maintenance $7,503/mo
Neighborhood Carnegie Hill
Floor 9 of 16

Property Highlights

  • Views: City
  • Exposure: East,North,South,West facing
  • Fireplace: 1 fireplace

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 9
Baths 4 Full
Floor 9 of 16
View City
Exposure East,North,South,West
Cooling Wall Units
Pets Yes
Year Built 1927
Structure Type HighRise
Basement Other
Block/Lot 01500/0040

Listing History

Event Date Price Change
Listed Sep 14, 2026 $5,650,000 -
Currently Sep 14, 2026 $5,650,000 -

Description

Full-floor elegance perched above Park Avenue. This highly sought-after 9 room "A-line" home within 1088 Park Avenue, one of Carnegie Hill's more prestigious white-glove cooperatives, features 3-4 bedrooms, 4 bathrooms (3 full bathrooms + 1 staff bathroom) and exposures in every direction. Enter off the private elevator landing, through the gracious gallery and into the oversized, south and east facing living room, which has plenty of room for multiple seating areas, incredible natural light, and a wood-burning fireplace. The south-facing library can easily be used as a bedroom and has a newly renovated en-suite bathroom with a large walk-in shower. The oversized formal dining room has east and north exposures which overlook the building's iconic courtyard. The eat-in, windowed chef's kitchen is renovated with incredible storage/counter space, a large breakfast nook and a wet bar area which leads into the butler's pantry and maid's room which is now being used as an office/laundry room with an en-suite bathroom. The sprawling, corner Primary Bedroom features southern and western exposures, a generous walk-in closet, a newly renovated, windowed en-suite bathroom and can be divided in half to create another bedroom, if needed. There is an additional bedroom in the rear of the apartment which has ample closet space and a newly renovated en-suite bathroom. Additional features of this remarkable home include incredible light, large windows, southern, western, eastern and northern exposures, high ceilings, abundant storage and gorgeous hardwood floors and moldings throughout. Thru wall and central A/C are permitted case-by-case. Originally designed in 1925 by Mott B. Schmidt, 1088 Park Avenue showcases a three-story limestone base with an arched, two-story, grand canopied entrance which leads into the vaulted lobby and through to the building's center - a large Italianate courtyard garden. This premiere , white-glove cooperative offers impeccable service that includes 24-hour doormen and hall attendants, live-in resident manager, gorgeous lobby, two fitness centers, bicycle storage and individual private storage. Pets are welcome. Financing of 50% is allowed and there is a 2% flip tax payable by the purchaser.

Features & Amenities

Interior Features

Separate Formal Dining Room High Ceilings Storage Walk In Closets Building None Washer Hookup In Unit Fireplace (1)

Exterior Features

None

Building Amenities

Storage

Appliances

Dishwasher Washer Dryer Allowed

Building Information

Building Data View Compliance & Permits
Total Units 93
Stories 16
Structure HighRise

Financial Details

Maintenance $7,503/mo

Carnegie 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 Neighborhood

Active Listings

89

Median Asking Price

$2.25M

Median $/Sqft

$1,770

Avg Days on Market

N/A

New This Week

19

Price Reduced

31%

Sold (30 Days)

16

Median Sale Price

$2.20M

Live data from RLS at REBNY • Updated 9/14/26, 7:44 PM EST

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Location

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1088 PARK Avenue #9A, Carnegie Hill, New York County

Floor Plans

Floor Plan 1
Floor Plan 2

Frequently Asked Questions

Common questions about this property

The current listed monthly maintenance are $7,503 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 4 bedrooms and 4 full bathrooms.

According to MLS records, the building was constructed in 1927, making it approximately 99 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 With Board Approval.,Building Pets Allowed Comments:Pets Allowed With Board Approval.. 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) 416-7433
MLS® ID: RLS20114829
First Listed: 9/14/2026
On Market: 9/14/2026
Price Changed: 9/14/2026
Contract Date: 9/14/2026

Listing Courtesy of Corcoran Group - Michael Russell

Listing Contact: (678) 665-9291

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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 9/14/2026 at 11:44 PM UTC

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Carnegie Hill Market Update

16 sales last 30 days · $2.25M median · 5.6 months supply

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Quick Facts

Status Active Type Co-op Neighborhood Carnegie Hill Borough Manhattan
County New York
Floor 9 of 16
Year Built 1927
First Listed 9/14/2026
Maintenance $7,503/mo

Monthly Costs Estimate

Down Payment 20%

$1,130,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $7,503
Total Monthly $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

$127,125

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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