Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $4,825,000

Listed at $5,000,000 · Sold 3.5% below asking · Closed February 20, 2026

Closed For Sale Co-op

$5,000,000

1088 Park Avenue #5D

Carnegie Hill, Manhattan

MLS® #RLS20048743

RLS at REBNY

Listing by Sothebys International Realty

4

Bedrooms

4

Baths

N/A

Sq. Ft.

1924

Year Built

Quick Summary

Bedrooms 4
Bathrooms 4
Lot Size 28,100 sq ft
Year Built 1924
Ownership Co-op
Maintenance $6,812/mo
Neighborhood Carnegie Hill
Floor 5 of 15

Property Highlights

  • Exposure: East,North,West facing
  • Fireplace: 1 fireplace
  • Character: Pre-war building (1924)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 9
Baths 4 Full
Floor 5 of 15
Exposure East,North,West
Pets Yes
Year Built 1924
Structure Type HighRise
Flooring Hardwood, Parquet
Lot Size 28,100 sq ft
Parcel # 1500-0040-01088-000-000005D
Block/Lot 01500/0040

Listing History

Event Date Price Change
Listed Sep 15, 2025 $5,000,000 -
Currently Apr 27, 2026 $5,000,000 -

Description

This rarely available nine-room D-Line is located in one of Carnegie Hill's most beautiful and sought-after prewar cooperatives. A private elevator foyer opens into a gracious gallery that leads to a sunflooded corner living room with sweeping Park Avenue views. Original parquet floors and a marble fireplace enhance this elegant space. Double doors open to a grand dining room, easily accommodating twelve guests. The windowed kitchen retains its original cabinetry and features a Sub-Zero refridgerator and Jennings stove. A pantry, outfitted with a Bosch dishwasher and Miele washer and dryer, connects to a charming breakfast area. There is a sunny library (or fourth bedroom), and two additional bedrooms with shared bathrooms all overlooking Park Avenue. The expansive primary suite, complete with a windowed dressing room, faces the building's beautifully landscaped private garden. An additional office/nursery with a dedicated bathroom completes the layout. This exceptional apartment features original prewar details including hardwood floors, abundant closet space, and new Pella windows throughout. 1088 Park Avenue offers full services, with a resident manager and a dedicated staff of sixteen. Residents enjoy a unique quarter-acre planted private garden with an Italianate fountain and multiple seating areas, two fully equipped gyms, bike storage, and a pet-friendly policy.

Features & Amenities

Interior Features

In Unit Flooring: Hardwood, Parquet Fireplace (1)

Building Amenities

Elevators

Appliances

Dryer Washer Dryer Stacked Dishwasher Washer

Building Information

Building Data View Compliance & Permits
Total Units 87
Stories 15
Structure HighRise

Financial Details

Maintenance $6,812/mo
Sale Price $4,825,000

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

140

Median Asking Price

$2.72M

Median $/Sqft

$1,708

Avg Days on Market

N/A

New This Week

9

Price Reduced

31%

Sold (30 Days)

13

Median Sale Price

$2.75M

Live data from RLS at REBNY • Updated 4/27/26, 10:19 AM EST

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Location

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1088 Park Avenue #5D, Carnegie Hill, New York County

Virtual Tour

Floor Plans

Floor Plan

Building Information

Official NYC property records for this building

1925
Year Built
101 years old
15
Floors
87
Residential Units
R10
Zoning District
Elevator Apartments Historic District: Park Avenue Historic District

Tax & Assessment

Assessed Value: $28,971,450
Land Value: $4,995,000
Exemptions: $239,560

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 28,100 SF
Building Area: 216,139 SF
Built FAR: 7.69
Allowed FAR: 10

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

Frequently Asked Questions

Common questions about this property

The current listed monthly maintenance are $6,812 per month. Confirm the exact amount with the listing broker 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 4 full bathrooms.

According to MLS records, the building was constructed in 1924, making it approximately 102 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.

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) 416-7433
MLS® ID: RLS20048743
First Listed: 9/15/2025
On Market: 9/15/2025
Price Changed: 9/15/2025
Closed: 2/20/2026
Contract Date: 9/12/2025

Listing Courtesy of Sothebys International Realty - Gabriele Devlin

Listing Contact: (212) 606-7729

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 4/27/2026 at 2:19 PM UTC

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