Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,450,000

· Closed June 28, 2024

4 W 21st Street #11B
Closed For Sale Co-op

$1,450,000

$866 per sq ft

4 W 21st Street #11B

Flatiron, Manhattan

MLS® #RLS10981852

RLS at REBNY

Listing by Compass

3

Bedrooms

3

Baths

1,674

Sq. Ft.

2006

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3
Living Area 1,674 sq ft
Year Built 2006
Ownership Co-op
Maintenance $6,570/mo
Parking Garage
Neighborhood Flatiron
Floor 11 of 17

Property Highlights

  • Climate Control: Central Air
  • Parking: Private garage

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 7
Baths 3 Full
Floor 11 of 17
Cooling Central Air
Pets Yes, CatsOk, DogsOk
Year Built 2006
Living Area 1,674 sq ft
Parking Garage Available
Parking Features Garage
Structure Type MultiFamily
Flooring Hardwood
Furnished Unfurnished
Parcel # 0822-0045-00004-000-000011B
Block/Lot 00822/0045

Listing History

Event Date Price Change
Listed May 25, 2022 $1,750,000 -
Price Reduced Jul 9, 2024 $1,550,000 -11.4%
Currently May 13, 2026 $1,450,000 -6.5%

Description

This oversized two bedroom, three bath home boasts a flexible floor plan that can easily be converted to three full bedrooms. Centrally located at the crossroads of Chelsea and Flatiron, this turnkey loft-like residence features floor-to-ceiling windows with northern and southern exposures, beautiful dark oak floors, and 10' ceilings. The entry foyer leads to an enormous living room and open chef's kitchen with large center island/breakfast bar. White lacquer cabinetry is custom by Varenna Poliform and appliances are Miele and subzero. A spacious, separate dining area is open to the living space and can be transformed back to a sizable 3rd bedroom. A separate bedroom wing hosts a gracious primary suite with enviable walk-in closet. The luxurious en-suite bathroom boasts a deep soaking tub, glass shower, and sleek double vanity. The secondary bedroom is also sizable and includes an en-suite bath with tub. Down the hall is a third bathroom with shower that also serves as a powder room. Other highlights of this well priced and well appointed offering, include central AC, in-unit washer/dryer and ample closets and storage space throughout. 4 West 21 Street is a full service building with condo rules. Amenities include a fully equipped gym, landscaped common terrace with playground, bike storage, and parking in the building. Local attractions include Madison Sq Park, Union Sq, Eataly and world class dining and shopping. *Maint reflects condo/coop abatement for primary residents

Features & Amenities

Interior Features

High Ceilings Walk In Closets Building Washer Dryer Install Allowed Common On Floor Common Area In Unit Flooring: Hardwood

Appliances

Washer

Building Information

Building Data View Compliance & Permits
Total Units 56
Stories 17
Structure MultiFamily

Financial Details

Maintenance $6,570/mo
Original Price $1,750,000
Sale Price $1,450,000
Previous Price $1,550,000
Land Lease Yes

The 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 Neighborhood

Active Listings

133

Median Asking Price

$2.29M

Median $/Sqft

$1,788

Avg Days on Market

N/A

New This Week

9

Price Reduced

32%

Sold (30 Days)

12

Median Sale Price

$2.54M

Live data from RLS at REBNY • Updated 5/13/26, 7:46 PM EST

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Location

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4 W 21st Street #11B, Flatiron, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

2005
Year Built
21 years old
17
Floors
54
Residential Units
C6-4A
Zoning District
Elevator Apartments Historic District: Ladies' Mile Historic District

Tax & Assessment

Assessed Value: $18,077,400
Land Value: $900,000
Exemptions: $2,290

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

Lot Area: 9,384 SF
Building Area: 119,136 SF
Built FAR: 12.7
Allowed FAR: 10

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 $6,570 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 3 full bathrooms.

The listed interior living area is 1,674 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 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.

At the current list price of $1,450,000 for 1,674 sq ft, the asking price per square foot is approximately $866. 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) 416-7433
MLS® ID: RLS10981852
First Listed: 10/26/2023
On Market: 5/25/2022
Price Changed: 7/9/2024
Closed: 6/28/2024
Contract Date: 5/20/2022

Listing Courtesy of Compass - Rachel Glazer

Listing Contact: (917) 860-7721

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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/13/2026 at 11:46 PM UTC

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