Under Contract – Backup offers may be accepted
Pending · Listing by Compass
551 W 21st Street #4D
Chelsea, Manhattan
$2,150,000
551 W 21st Street #4D
MLS® #RLS20100644
Listing by Compass
- 1
- Bedroom
- 1.5
- Baths
- 1,229
- Sq. Ft.
- 2015
- Year Built
Quick Summary
Property Highlights
- Exposure: South facing
- Climate Control: Other
- Parking: Private garage
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jul 4, 2026 | $2,150,000 | - |
| Currently | Sep 9, 2026 | $2,150,000 | - |
Description
Enjoy living in this expansive, ultra-luxe, south-facing one-bedroom home, designed by Lord Norman Foster of Foster + Partners, defined by its expertly crafted finishes and beautifully proportioned spaces, unlike many brand new buildings where proportions keep shrinking. With almost 40 feet of south-facing frontage, this home is light-filled all day, year-round. Enter the apartment into a gracious foyer with custom millwork and cove lighting, which leads to a 25-foot-wide living room boasting 9-foot ceilings, floor-to-ceiling windows, solid oak floors, and a separate dining area. The home features an exceptionally large eat-in kitchen custom-designed by Molteni with Blanco de Macael marble countertops and natural oak cabinetry, a Sub-Zero refrigerator/freezer, a Miele oven and dishwasher, a Gaggenau cooktop and Falmec extraction hood, as well as custom cove lighting and detailed millwork throughout. A separate powder room with elegant polished-chrome Dornbracht fixtures and a well-appointed laundry closet with a side-by-side Miele washer and dryer are conveniently located off the entry foyer. The south-facing primary bedroom features a walk-in closet and a luxurious en-suite bathroom with stone floors and a Kohler enameled cast-iron bathtub. This thoughtful residence has been customized with electronic shades in both the living room and bedroom. Exquisitely crafted by the master architects of Foster + Partners, 551 West 21st Street features a private, gated drive court surrounded by a twenty-foot green wall and a dramatic, awe-inspiring 34-foot, double-height lobby with a grand chandelier. Additional amenities include superb service via a 24-hour attended lobby and concierge, porter and valet services, a state-of-the-art fitness center with his and her spa, yoga room, residents' lounge, playroom, bike storage, a live-in super, and a dedicated, separate service entrance. This home is ideally located between the Hudson River Park and The Highline Park in the heart of West Chelsea, equidistant between Hudson Yards to the North and the vibrant Meatpacking District to the South, a neighborhood comprised of hundreds of the world’s leading Contemporary Art Galleries, unique boutiques, restaurants, and moments from The New Whitney Museum, Faena Hotel and Spa and so much more.
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Appliances
Building Information
Financial Details
About Chelsea
View All Chelsea ListingsChelsea is the epicenter of New York’s contemporary art world and a hub for innovative architecture. Home to the High Line and Chelsea Market, the neighborhood mixes industrial history with modern luxury. The real estate market here is dominated by high-end condominium developments designed by world-renowned architects, alongside historic pre-war lofts and historic townhouses in the Chelsea Historic District.
Chelsea Live Market Data
View NeighborhoodActive Listings
209
Median Asking Price
$1.77M
Median $/Sqft
$1,847
Avg Days on Market
N/A
New This Week
30
Price Reduced
38%
Sold (30 Days)
44
Median Sale Price
$1.80M
Live data from RLS at REBNY • Updated 9/9/26, 7:25 PM EST
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551 W 21st Street #4D, Chelsea, New York County
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 common charges are $3,006.44 per month. Confirm the exact amount with Milton Coste before making an offer.
The current listed annual property tax is $30,101.64, or roughly $2,508 per month. Verify the current assessment with your attorney before closing.
This property has 1 bedroom and 1 full bathroom and 1 half bathroom.
The listed interior living area is 1,229 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2015, making it approximately 11 years old.
This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.
Pets are permitted at this property. Contact Milton Coste for weight limits or breed restrictions.
At the current list price of $2,150,000 for 1,229 sq ft, the asking price per square foot is approximately $1,749. This figure is for reference only and may differ from appraised or assessed values.
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) 416-7433Listing Courtesy of Compass - Leonard Steinberg
Listing Contact: (646) 375-1932
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 9/9/2026 at 11:25 PM UTC
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Quick Facts
Monthly Costs Estimate
$430,000
Source: Freddie Mac PMMS
Est. Monthly Payment
$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 $2M to $2,999,999 at 1.25%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.
Estimated mansion tax at asking
$26,875
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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