Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

1155 PARK Avenue #12NW

Pending · Listing by Brown Harris Stevens Residential Sales LLC

1155 PARK Avenue #12NW

Carnegie Hill, Manhattan

$7,950,000

Interested in this property?
Pending For Sale Co-op

$7,950,000

1155 PARK Avenue #12NW

Carnegie Hill, Manhattan

1155 Tenants Corpor

MLS® #RLS20082901

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

5
Bedrooms
6
Baths
N/A
Sq. Ft.
1915
Year Built

Quick Summary

Bedrooms 5
Bathrooms 6
Year Built 1915
Ownership Co-op
Maintenance $9,147/mo
Neighborhood Carnegie Hill
Floor 12 of 13

Property Highlights

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

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 10
Baths 6 Full
Floor 12 of 13
View City, Panoramic
Exposure North,South,West
Cooling Other
Pets Yes
Year Built 1915
Structure Type HighRise
Basement Other
Block/Lot 01520/0004

Listing History

Event Date Price Change
Listed Apr 10, 2026 $7,950,000 -
Currently Aug 20, 2026 $7,950,000 -

Description

Perched high above Park Avenue at the apex of Carnegie Hill, this sophisticated 10 into 9 room prewar gem, elegantly rethought, offers gracious living on the Upper East Side. Sun-drenched, the 12th Floor corner residence has soaring 10' 6" ceilings, glamorous living space, stunning original detail and open views in every direction. The large, square entry foyer leads to a beautifully proportioned living room with wood-burning fireplace, oversized windows, stunning hardwood floors, and captivating western exposures overlooking the bell tower of Brick Church. Another elegant sitting room or library connects to a stunning corner dining room that boasts a sweeping double exposure west and north with open views up Park Avenue. A large gallery with custom bookcases and skylight leads to the oversized chef's kitchen, featuring high-end stainless-steel appliances, custom Bulthaup cabinetry, a separate pantry, a large center island, and a separate breakfast dining area with built-in banquette. The primary suite is a true retreat (originally 2 rooms) with a wall of windows plus sitting area, two full, renovated bathrooms on opposite sides of the room, a custom dressing area, and two walk-in closets. Three additional large bedrooms, two with ensuite baths and enormous closets, plus an additional playroom/home office and hall bath complete the home. There is a separate laundry room with ample storage. Centrally air conditioned throughout. The apartment transfers with two storage bins. 1155 Park Avenue is a pet-friendly, full-service luxury cooperative building built in 1915 by Bing and Bing, with 24-hour doorman, live-in super, gym, bike room, and laundry room. 40% financing. 2.5% flip tax.

Features & Amenities

Interior Features

Separate Formal Dining Room High Ceilings Building Other In Unit Fireplace (1)

Exterior Features

None

Building Amenities

Storage

Building Information

Financial Details

Maintenance $9,147/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

73

Median Asking Price

$2.35M

Median $/Sqft

$1,660

Avg Days on Market

N/A

New This Week

3

Price Reduced

44%

Sold (30 Days)

11

Median Sale Price

$1.63M

Live data from RLS at REBNY • Updated 8/20/26, 7:15 AM EST

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Location

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1155 PARK Avenue #12NW, Carnegie Hill, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1914
Year Built
112 years old
14
Floors
51
Residential Units
R10
Zoning District
Elevator Apartments Historic District: Expanded Carnegie Hill Historic District

Tax & Assessment

Assessed Value: $23,099,400
Land Value: $1,935,000
Exemptions: $73,320

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

Lot Area: 16,482 SF
Building Area: 166,596 SF
Built FAR: 10.11
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 $9,147 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 5 bedrooms and 6 full bathrooms.

According to MLS records, the building was constructed in 1915, making it approximately 111 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) 416-7433
MLS® ID: RLS20082901
First Listed: 4/10/2026
On Market: 4/10/2026
Price Changed: 4/10/2026
Pending Since: 6/26/2026
Contract Date: 4/10/2026

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Amanda S Brainerd

Listing Contact: (212) 452-4515

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 8/20/2026 at 11:15 AM UTC

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Carnegie Hill Market Update

11 sales last 30 days · $2.35M median · 6.6 months supply

Read Full Report

New listings in this building

Quick Facts

Status Pending Type Co-op Neighborhood Carnegie Hill Borough Manhattan
County New York
Floor 12 of 13
Year Built 1915
First Listed 4/10/2026
Maintenance $9,147/mo

Monthly Costs Estimate

Down Payment 20%

$1,590,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $9,147
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

$178,875

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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