Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $3,300,000

· Closed February 5, 2026

16 W 21ST Street #10/11
Closed For Sale Condo

$3,300,000

$1,206 per sq ft

16 W 21ST Street #10/11

Flatiron, Manhattan

MLS® #RLS20052832

RLS at REBNY

Listing by Corcoran Group

3

Bedrooms

3

Baths

2,736

Sq. Ft.

2010

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3
Living Area 2,736 sq ft
Year Built 2010
Ownership Condo
HOA/Common Charges $4,380/mo
Property Taxes Contact for details
Neighborhood Flatiron
Floor 10 of 14

Property Highlights

  • Exposure: North,South facing
  • Outdoor Space: None, Balcony

Property Details

Type Condo
Ownership Condominium
Total Rooms 7
Baths 3 Full
Floor 10 of 14
Exposure North,South
Pets Yes
Year Built 2010
Living Area 2,736 sq ft
Structure Type HighRise
Basement Other
Block/Lot 00822/1408

Listing History

Event Date Price Change
Listed Oct 6, 2025 $3,395,000 -
Currently May 9, 2026 $3,300,000 -2.8%

Description

Encompassing the entire 10th and 11th floors of 16 West 21st Street, Residence Ten is a 3 bedroom, 3 bathroom (plus home office) duplex offering a phenomenal value at less than $1,250/sqft.

Upon entry from the keyed elevator, the upper-level of the residence features a sprawling and bright Living Room. With its oversized picturesque windows and impressive ceiling heights, this massive space is perfect for a multitude of functions, including relaxation and entertaining. On the opposite end of this level, a large home office as well as the primary suite can be found. With an extensive walk-in closet, private balcony and spa-quality, en-suite bathroom with separate shower and soaking tub, the primary is truly a retreat large enough to accommodate not only a bed, but a large sitting/TV area as well.

The 10th floor (also accessed via keyed elevator) features an open chef-level kitchen with island. This kitchen is offers a large pantry and suite of Miele appliances, including coffee machine, oven, 5-burner cooktop and dishwasher. In addition, a built-in Sub-Zero refrigerator and Thermador wine cooler complete the space. This level also houses two additional bedrooms of impressive scale, one of which has a generous walk-in closet and en-suite bath. The residence also features a washer & dryer.

16W21 is a landmark, LEED Silver Certified boutique condominium with a gorgeous glass facade situated in the heart Flatiron District where Chelsea and NoMad converge. With amenities such as keyless entry to your apartment, doorman/concierge (9AM-9PM Monday through Friday and 12PM- 8PM on weekends), keyed elevator, package room/refrigerated storage, fitness center and a common roof deck, the building truly has it all. In close proximity to the very best of downtown shopping, dining, culture and nightlife.

Please note, advertised taxes include NYC primary resident condo tax abatement.

Features & Amenities

Interior Features

Building None Washer Hookup In Unit

Exterior Features

Balcony Private Outdoor Space Under60 Sqft None Balcony

Building Amenities

Elevators

Building Information

Building Data View Compliance & Permits
Total Units 9
Stories 14
Structure HighRise

Financial Details

Common Charges $4,380/mo
RE Taxes Contact for details
Original Price $3,395,000
Sale Price $3,300,000
Previous Price $3,395,000

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

134

Median Asking Price

$2.25M

Median $/Sqft

$1,761

Avg Days on Market

N/A

New This Week

14

Price Reduced

31%

Sold (30 Days)

11

Median Sale Price

$2.16M

Live data from RLS at REBNY • Updated 5/9/26, 8:43 AM EST

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Location

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16 W 21ST Street #10/11, Flatiron, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1925
Year Built
101 years old
2
Floors
2
Residential Units
R5B
Zoning District
Two Family Dwellings

Tax & Assessment

Assessed Value: $86,760
Land Value: $12,180
Exemptions: $0

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

Lot Area: 1,992 SF
Building Area: 2,288 SF
Built FAR: 1.15
Allowed FAR: 1.5

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 common charges are $4,380 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 3 bedrooms and 3 full bathrooms.

The listed interior living area is 2,736 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 2010, making it approximately 16 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: Pets Allowed,Building Pets Allowed Comments:Pets Allowed. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $3,300,000 for 2,736 sq ft, the asking price per square foot is approximately $1,206. 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: RLS20052832
First Listed: 10/6/2025
On Market: 10/6/2025
Price Changed: 2/6/2026
Closed: 2/5/2026
Contract Date: 10/6/2025

Listing Courtesy of Corcoran Group - Catherine Juracich Juracich

Listing Contact: (646) 283-1384

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 5/9/2026 at 12:43 PM UTC

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