Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
16 W 21ST Street #7A
Interested in this property?
Active For Sale Condo

$2,295,000

$1,678 per sq ft

16 W 21ST Street #7A

Flatiron, Manhattan

MLS® #RLS20077918

RLS at REBNY

Listing by Douglas Elliman Real Estate

2

Bedrooms

2

Baths

1,368

Sq. Ft.

2010

Year Built

Quick Summary

Bedrooms 2
Bathrooms 2
Living Area 1,368 sq ft
Year Built 2010
Ownership Condo
HOA/Common Charges $2,104/mo
Property Taxes Contact for details
Neighborhood Flatiron
Floor 7 of 14

Property Highlights

  • Views: Other
  • Exposure: North,South facing
  • Climate Control: Central Air

Property Details

Type Condo
Ownership Condominium
Total Rooms 4
Baths 2 Full
Floor 7 of 14
View Other
Exposure North,South
Cooling Central Air
Pets Yes
Year Built 2010
Living Area 1,368 sq ft
Structure Type HighRise
Basement Other
Parcel # 0822-1406
Block/Lot 00822/1406

Listing History

Event Date Price Change
Listed Mar 18, 2026 $2,295,000 -
Currently May 4, 2026 $2,295,000 -

Description

Residence 7A at 16W21 is among just nine exclusive homes in a sought-after boutique condo building in New York's Ladies Mile Historic District. Designed by Zac Posen, this 2-bedroom, 2-bathroom floor-through apartment spans 1,368 sq. ft. and boasts a private balcony. Features include dark-stained white oak floors, key-locked elevator access, oversized windows with thermal insulation offering northern and southern exposure, and an in-unit Bosch washer/dryer.

Upon entering, a stylish gallery leads to an open-concept living room, dining area, and kitchen flooded with natural light. The kitchen features an eat-in island, custom cabinets, and top-of-the-line Miele and Sub-Zero appliances.

The primary bedroom offers ample closet space and a luxurious marble-clad en-suite bathroom with radiant heated floors, double sinks, a separate shower, and a deep soaking tub. The second bedroom includes private closet space and convenient access to a second full bathroom with radiant heated floors. Both bedrooms connect to the balcony.

16W21 is distinguished by its modern landmark design with a custom glass facade and LEED Certification. Building amenities include keyless entry, a doorman (9 AM - 9 PM on weekdays and 12 PM - 8 PM on weekends), private keyed elevator access, a spa & fitness center, refrigerated storage, a package room, and a communal roof deck.

Features & Amenities

Interior Features

Building None

Exterior Features

Private Outdoor Space Under60 Sqft

Building Amenities

Elevators

Building Information

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

Financial Details

Common Charges $2,104/mo
RE Taxes Contact for details

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

122

Median Asking Price

$2.22M

Median $/Sqft

$1,716

Avg Days on Market

N/A

New This Week

4

Price Reduced

27%

Sold (30 Days)

6

Median Sale Price

$2.80M

Live data from RLS at REBNY • Updated 5/4/26, 4:28 AM EST

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Location

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16 W 21ST Street #7A, 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 $2,104 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 1,368 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 $2,295,000 for 1,368 sq ft, the asking price per square foot is approximately $1,678. 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: RLS20077918
First Listed: 3/18/2026
On Market: 3/18/2026
Price Changed: 3/18/2026
Contract Date: 3/18/2026

Listing Courtesy of Douglas Elliman Real Estate - Ariel Cohen

Listing Contact: (646) 235-0075

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 5/4/2026 at 8:28 AM UTC

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