SOLD FOR $2,000,000
· Closed January 31, 2020
4 W 21st Street #17-A
MLS® #RLS10585285
Listing by Compass
3
Bedrooms
2.5
Baths
2,258
Sq. Ft.
2006
Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: East,North,South facing
- Climate Control: Central Air
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jul 31, 2019 | $2,000,000 | - |
| Currently | May 19, 2026 | $2,000,000 | - |
Description
Incredible Value at Under $1000/SF! Enjoy open views and incredible cityscape and water tower vistas from this high floor 2,258 SF three bedroom Flatiron loft with four exposures. This sprawling home offers an enormous double living room and separate dining room, each with breathtaking natural light. A windowed chef's kitchen is centrally located in the apartment and features premium appliances in addition to a washer dryer.
Wake up to Freedom tower views from your large, South and West facing corner master bedroom. An en suite windowed master bath with standing shower and two walk in closet complete this tranquil abode. The second bedroom is located nearby (currently used as an office) and a third bedroom is located on the opposite end of the home for optimal privacy. Modern touches include in unit washer/dryer and multiple zone central HVAC. Centrally located in the heart of the Flatiron district and the Ladie's Mile Historic District, 4 West 21st Street is a full-service condop building. Residents enjoy access to luxurious amenities including 24-hour doorman service, live-in superintendent, landscaped common terrace, parking garage and a fitness center. The building allows for unlimited subletting, co-purchasing, and pied-a-terre. Trust and LLC purchase structures are allowed. **This offers includes a seller incentive of $3231/month of maintenance payment buydown for a one year period. Total incentive of $38,778 credit at closing. Actual maintenance is $9181.50.**Features & Amenities
Interior Features
Exterior Features
Appliances
Building Information
About Flatiron
View All Flatiron ListingsThe Flatiron District is a busy intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.
Flatiron Live Market Data
View NeighborhoodActive Listings
138
Median Asking Price
$2.38M
Median $/Sqft
$1,791
Avg Days on Market
N/A
New This Week
10
Price Reduced
31%
Sold (30 Days)
4
Median Sale Price
$1.55M
Live data from RLS at REBNY • Updated 5/18/26, 9:15 PM EST
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Location
4 W 21st Street #17-A, Flatiron, New York County • Near Fifth Avenue/Avenue of the Americas
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 $0 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 3 bedrooms and 2 full bathrooms and 1 half bathroom.
The listed interior living area is 2,258 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2006, making it approximately 20 years old.
This listing is a condop, a hybrid structure where the building is legally a co-op but individual units are sold with greater flexibility, often including subletting rights similar to condos.
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $2,000,000 for 2,258 sq ft, the asking price per square foot is approximately $886. 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 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 Compass - Josh Doyle
Listing Contact: (917) 279-4969
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 5/19/2026 at 1:15 AM UTC