SOLD FOR $2,075,000
Listed at $2,100,000 · Sold 1.2% below asking · Closed August 31, 2015
4 W 21st Street #10A
MLS® #RLS10098049
Listing by Elliman
2
Bedrooms
2
Baths
1,225
Sq. Ft.
2005
Year Built
Quick Summary
Property Highlights
- Parking: Private garage
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jun 16, 2015 | $2,200,000 | - |
| Currently | May 14, 2026 | $2,100,000 | -4.5% |
Description
The Perfect 2 Bedroom, 2 full Bathroom Layout In About 1225SF
This Home Was Used Sparingly By Owner As A Pied-A-Terre, Therefore This Place Is Immaculate In it's Presentation
The Kitchen Has Everything you would Expect From Varena, Lacquer Cabinetry, With The Added Value From Miele And Subzero Appliances
The Harmonious Flow Of The Living Room Allows You To Have A "Neat" Dining Room Area Set-Up
A Couple Of The Noted Features Are The Floor-To-Ceiling Windows In All The Rooms, Allowing Great Light,And A Ceiling Height 10'
The Master Bedroom Is En Suite With A Over Sized Fully Outfitted Walk-In Closet
The Building Is An Outstanding Example Of Modernism With The Following Key Elements:
Full Service, 24 Hour Concierge, Live-In Superintendent, Gym, Landscaped Common Terrace
BEST OF ALL, THE BUILDING HAS A PARKING GARAGE
4 west 21 Is A Coop With CONDO RULES, NO BOARD INTERVIEW, Allowing Subletting, Pied-A-Terre's
Conveniently Located Near All Transportation
Features & Amenities
Interior Features
Building Information
Financial Details
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
135
Median Asking Price
$2.29M
Median $/Sqft
$1,775
Avg Days on Market
N/A
New This Week
7
Price Reduced
32%
Sold (30 Days)
0
Median Sale Price
N/A
Live data from RLS at REBNY • Updated 5/14/26, 7:35 PM EST
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Location
4 W 21st Street #10A, Flatiron, New York County • Near Fifth & Sixth Avenues
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 $3,649 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 2 bedrooms and 2 full bathrooms.
The listed interior living area is 1,225 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2005, making it approximately 21 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 $2,100,000 for 1,225 sq ft, the asking price per square foot is approximately $1,714. 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 Elliman - Robert L. Morrison
Listing Contact: (917) 952-7768
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 5/14/2026 at 11:35 PM UTC