Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $3,025,000

Listed at $3,495,000 · Sold 13.4% below asking · Closed March 11, 2017

31 W 21st Street #2N
Closed For Sale Condo

$3,495,000

$1,339 per sq ft

31 W 21st Street #2N

Flatiron, Manhattan

MLS® #RLS10101367

RLS at REBNY

Listing by Elliman

3

Bedrooms

4

Baths

2,610

Sq. Ft.

1910

Year Built

Quick Summary

Bedrooms 3
Bathrooms 4
Living Area 2,610 sq ft
Year Built 1910
Ownership Condo
HOA/Common Charges $1,033/mo
Property Taxes $30,132/yr
Neighborhood Flatiron
Floor 2 of 11

Property Highlights

  • Style: Prewar architecture
  • Character: Pre-war building (1910)

Property Details

Type Condo
Ownership Condominium
Total Rooms 5
Baths null Full
Floor 2 of 11
Pets Yes
Cross Street Fifth & Sixth Avenues
Year Built 1910
Living Area 2,610 sq ft
Architectural Style Prewar

Listing History

Event Date Price Change
Listed Sep 14, 2016 $3,950,000 -
Price Reduced Oct 13, 2016 $3,750,000 -5.1%
Currently Jun 10, 2026 $3,495,000 -6.8%

Description

Incredibly spacious loft with over 2,600 square feet in the heart of the Flatiron District. Currently configured as a 2 bedroom / 2.5 bathroom, the seller will deliver the apartment as a 3 bedroom / 3.5 bathroom at closing. The apartment is located in one of the neighborhood's most well regarded condominiums with just 11 apartments. A gracious foyer leads to a massive living area with beautiful wide-plank floors, soaring 12-foot ceilings, and two walls of over-sized windows. The space comprises an open kitchen, large seating area and 12-person dining table. High-end appliances, including a Viking stove, frosted glass cabinetry and custom stainless steel counters appoint the large chef's kitchen. The master bedroom has a walk in closet and en-suite bathroom with a large Jacuzzi, double sinks, and a separate shower. There is also a generously-sized second bedroom with en-suite bathroom and a separate powder room. Custom cabinetry throughout the apartment provides abundant storage. Other features include central air conditioning with 2 zones, washer/ dryer and brand new electric shades. This boutique pre-war condominium features a lobby attendant from Monday through Saturday (6:30 a.m. to 4 p.m.); a full time superintendent; and both a passenger elevator and a large service elevator. Pets, investors and pied-a-terres are welcome.

Building Information

Building Data View Compliance & Permits
Total Units 11
Stories 11
Style Prewar

Financial Details

Common Charges $1,033/mo
RE Taxes $30,132/yr ($2,511/mo)
Original Price $3,950,000
Sale Price $3,025,000
Previous Price $3,750,000

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

136

Median Asking Price

$2.20M

Median $/Sqft

$1,778

Avg Days on Market

N/A

New This Week

6

Price Reduced

38%

Sold (30 Days)

14

Median Sale Price

$2.25M

Live data from RLS at REBNY • Updated 6/9/26, 10:40 PM EST

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Location

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31 W 21st Street #2N, Flatiron, New York County • Near Fifth & Sixth Avenues

Floor Plans

Floor Plan 1
Floor Plan 2
Floor Plan 3
Floor Plan 4

Building Information

Official NYC property records for this building

1924
Year Built
102 years old
5
Floors
R6B
Zoning District

Tax & Assessment

Assessed Value: $6,821,550
Land Value: $1,660,500
Exemptions: $6,821,550

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

Lot Area: 68,000 SF
Building Area: 108,500 SF
Built FAR: 1.6
Allowed FAR: 2

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 $1,033 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $30,132, or roughly $2,511 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 4 full bathrooms.

The listed interior living area is 2,610 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1910, making it approximately 116 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 not permitted at this property per the current listing information. Confirm with the listing broker directly.

At the current list price of $3,495,000 for 2,610 sq ft, the asking price per square foot is approximately $1,339. 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) 416-7433
MLS® ID: RLS10101367
First Listed: 9/14/2016
Price Changed: 10/13/2016
Closed: 3/11/2017
Contract Date: 9/13/2016

Listing Courtesy of Elliman - J. Roger Erickson

Listing Contact: (917) 558-4477

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 6/10/2026 at 2:40 AM UTC

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