SOLD FOR $2,300,000
· Closed February 6, 2023
51 W 81ST Street #PHA/B
MLS® #RLS10824632
Listing by Brown Harris Stevens Residential Sales LLC
1
Bedroom
2
Baths
N/A
Sq. Ft.
1905
Year Built
Quick Summary
Property Highlights
- Style: Prewar architecture
- Character: Pre-war building (1905)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | May 4, 2021 | $2,300,000 | - |
| Currently | May 5, 2026 | $2,300,000 | - |
Description
This turnkey triple mint penthouse apartment atop the Galaxy cooperative at 51 West 81st Street is truly one of a kind. Beautifully constructed, tremendously light flooded, and perfectly located.
The penthouse is currently configured as a spacious one-bedroom apartment with two full bathrooms and an 850 square foot roof deck. The kitchen and entertainment rooms have an open layout punctuated by several skylights and a bespoke winding wood and glass stairway leading to a glass door to the roof deck. From the roof of 51 West 81st Street, the owner of this penthouse may enjoy extraordinary views over Central Park, The Hayden Planetarium, and The Museum of Natural History, to the south. The beautifully appointed living room and bedroom enjoy sweeping unobstructed views of the city, to the north.
A secondary bedroom may be added to the apartment, as noted by the two alternate floor plans, because the owner of this apartment, with the appropriate approvals in place, is permitted to add up to 850 ft. of interior square space, or an enormous deck, or a combination of the two.
The Galaxy cooperative was built in 1905 and is ideally situated in an extremely favorable location on the upper west side of Manhattan. The lobby of this 14 story/125 unit co-op is adorned with an original tiled mosaic floor and is attended by doorstaff. The building is located on the corner of 81st Street and Columbus Avenue, convenient to Central Park and world class shopping & dining.
Features :
Gut Renovation Completed October 2019
Radiant Heated Floors
Retractable Skylights
850 Square Feet of Unused FAR
75% Financing Allowed
Flip Tax : $12 Per Share (1,037 Shares Allocated To PH A/B)
Doorman
Live-In Superintendent
Laundry On Each Floor
Close Proximity To Public Transportation
Building Information
Financial Details
About Upper West Side
View All Upper West Side ListingsThe 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 NeighborhoodActive Listings
579
Median Asking Price
$1.59M
Median $/Sqft
$1,471
Avg Days on Market
N/A
New This Week
27
Price Reduced
27%
Sold (30 Days)
80
Median Sale Price
$1.85M
Live data from RLS at REBNY • Updated 5/5/26, 7:37 AM EST
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Location
51 W 81ST Street #PHA/B, Upper West Side, New York County • Near Columbus Avenue
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 monthly maintenance are $2,934 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 1 bedroom and 2 full bathrooms.
According to MLS records, the building was constructed in 1905, making it approximately 121 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 mcoste@kwnyc.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) 416-7433Listing Courtesy of Brown Harris Stevens Residential Sales LLC - Kathleen Sloane
Listing Contact: (212) 906-9258
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 5/5/2026 at 11:37 AM UTC