Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
205 W 89TH Street #PH67

For Sale · Listing by Brown Harris Stevens Residential Sales LLC

205 W 89TH Street #PH67

Upper West Side, Manhattan

$3,250,000

Interested in this property?
Active For Sale • Co-op

$3,250,000

205 W 89TH Street #PH67

Upper West Side, Manhattan

Astor Court

MLS® #RLS20114270

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

Open House Scheduled

Saturday, October 31 • 12:30 PM – 2:00 PM

REBNY 2025: signed Buyer Representation Agreement required before any showing.

4
Bedrooms
3.5
Baths
N/A
Sq. Ft.
1915
Year Built

Quick Summary

Bedrooms 4
Bathrooms 4 full, 1 half
Year Built 1915
Ownership Co-op
Maintenance $8,016/mo
Neighborhood Upper West Side

Property Highlights

  • Views: Other
  • Climate Control: Central Air
  • Character: Pre-war building (1915)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 10
Baths 3 Full, 1 Half
View Other
Cooling Central Air
Pets Yes
Year Built 1915
Structure Type HighRise
Basement Other
Block/Lot 01237/0017

Listing History

Event Date Price Change
Listed Sep 10, 2026 $3,250,000 -
Currently Oct 26, 2026 $3,250,000 -

Description

Introducing Penthouse 67 at 205 West 89th, a rare opportunity to create an extraordinary residence in the sky. Already combined from two adjoining penthouses, this remarkable home spans more than 2,000 square feet and is surrounded by a nearly 1,000-square-foot private terrace-the largest among Astor Court's penthouses. Accessible from multiple points throughout the residence, the wraparound terrace offers exceptional possibilities for gardens, outdoor dining, entertaining, and intimate seating areas, creating a seamless connection between indoors and out. Perched atop historic Astor Court, Penthouse 67 possesses qualities that simply cannot be replicated: exceptional privacy, abundant natural light, seven skylights, two wood-burning fireplaces, and extraordinary private outdoor space. An architectural vision reveals just how exceptional it can become. Presented with a proposed plan by Harvard-trained architect Michael Mahal, founder of M Design Group, the penthouse has been reimagined to showcase the potential of its scale, architectural character, and relationship to the terrace. A private tiled walkway leads to the residence and expansive outdoor space, creating an arrival unlike that of a conventional Manhattan apartment. Inside, natural maple floors and skylights bring warmth and sunlight throughout, while two wood-burning fireplaces provide architectural anchors for a future redesign. The north wing currently offers an open living, dining and kitchen area centered around a wood-burning fireplace, two bedrooms and two full baths. The south wing, with its own private entrance, offers four additional rooms, two full baths, a second fireplace, and an oversized laundry and storage room. M Design Group's proposed plan envisions generous entertaining spaces flowing naturally toward the terrace, beautifully proportioned bedroom suites, and an extraordinary primary sanctuary with dual en-suite baths, a dressing room, sitting area, and wood-burning fireplace. Astor Court is one of the Upper West Side's great residential landmarks. Designed by Charles A. Platt and completed in 1916, the full-service cooperative is centered around its celebrated landscaped English garden and offers full-time door staff, a fitness center, playroom, roof deck, and pet-friendly policy. Penthouse 67 is more than an opportunity to renovate-it is a chance to create a singular Manhattan penthouse: private, expansive, filled with light, surrounded by outdoor space, and designed entirely around the way its next owner wants to live. The bones are extraordinary. The possibilities are even greater. For those seeking additional scale, there may be an opportunity to further expand Penthouse 67-the combination of PH6 and PH7-through a combination with the adjoining one-bedroom PH8, subject to availability and a separate transaction. All proposed alterations and any potential combination are subject to architectural feasibility, cooperative board approval, and applicable governmental approvals. PH8 is subject to availability and a separate transaction. 2% flip tax paid by buyer. For modern renderings please inquire and we will send your way. This proposed floor plan is conceptual and subject to verification, architectural and engineering review, and all required building, Board, and regulatory approvals, with no guarantee of constructability or final configuration."

Features & Amenities

Interior Features

Building Other Washer Hookup In Unit

Exterior Features

Building Roof Deck

Building Amenities

Bike Storage Common Playroom

Building Information

Building Astor Court
Building Data View Compliance & Permits
Total Units 156
Stories 15
Structure HighRise

Financial Details

Maintenance $8,016/mo

The Upper West Side (UWS) is celebrated for its cultural richness and architectural grandeur. Set between Central Park and Riverside Park, the neighborhood provides direct access to green space within the urban grid. Residents enjoy easy access to Lincoln Center, the American Museum of Natural History, and a popular culinary scene. The real estate landscape is famous for its historic brownstones and iconic 'white-glove' apartment buildings along Central Park West and Riverside Drive.

Upper West Side Live Market Data

View Neighborhood

Active Listings

551

Median Asking Price

$1.40M

Median $/Sqft

$1,563

Avg Days on Market

N/A

New This Week

23

Price Reduced

27%

Sold (30 Days)

57

Median Sale Price

$1.48M

Live data from RLS at REBNY • Updated 10/26/26, 5:26 PM EST

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Location

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205 W 89TH Street #PH67, Upper West Side, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1920
Year Built
106 years old
5
Floors
20
Residential Units
R8B
Zoning District
Walk-Up Apartments

Tax & Assessment

Assessed Value: $1,470,150
Land Value: $128,700
Exemptions: $9,801

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

Lot Area: 2,517 SF
Building Area: 8,825 SF
Built FAR: 3.51
Allowed FAR: 4

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 $8,016 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 4 bedrooms and 3 full bathrooms and 1 half bathroom.

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: 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 [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: RLS20114270
First Listed: 9/10/2026
On Market: 9/10/2026
Price Changed: 9/10/2026
Contract Date: 9/10/2026

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Robin Lyon Gardiner

Listing Contact: (917) 374-6333

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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 10/26/2026 at 9:26 PM UTC

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Milton Coste - NYC Real Estate Broker

Milton Coste

Licensed Real Estate Associate Broker

Keller Williams NYC

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Sale history, taxes, violations and comps for this unit

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Upper West Side Market Update

57 sales last 30 days · $1.40M median · 9.7 months supply

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New listings in this building

Quick Facts

Monthly Costs Estimate

Down Payment 20%

$650,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $8,016
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 $3M to $4,999,999 at 1.50%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$48,750

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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