Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $5,193,000

· Closed April 26, 2022

43 W 21ST Street #PH
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Closed For Sale Condo

$5,193,000

$1,930 per sq ft

43 W 21ST Street #PH

Flatiron, Manhattan

MLS® #RLS10783614

RLS at REBNY

Listing by Serhant

3

Bedrooms

3

Baths

2,691

Sq. Ft.

1910

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3
Living Area 2,691 sq ft
Lot Size 2,469 sq ft
Year Built 1910
Ownership Condo
HOA/Common Charges $1,710/mo
Property Taxes $64,812/yr
Neighborhood Flatiron
Floor 4 of 5

Property Highlights

  • Exposure: North,South facing
  • Outdoor Space: Building Terrace, Terrace
  • Fireplace: Wood-burning or decorative fireplace

Property Details

Type Condo
Ownership Condominium
Total Rooms 7
Baths 3 Full
Floor 4 of 5
Exposure North,South
Cooling Central Air
Pets Yes
Year Built 1910
Living Area 2,691 sq ft
Lot Size 2,469 sq ft

Description

Stunning Duplex Penthouse with 2 Terraces & A Wood-Burning Fireplace! Welcome to this massive, pristinely renovated duplex condo in the heart of Flatiron! A wonderful 3-bedroom, 3-bathroom penthouse with approximately 2,691 square feet of magnificent interiors, plus approximately 1,400 square feet of outdoor space throughout two amazing private terraces. Ideal for modern lifestyles, the home features a grand living/dining room, huge chef's kitchen, home office/den, and a home gym. A massive skylight allows abundant sunlight to be received from the home's south and north exposures. Two HUGE private terraces are ideal for sun lounging, alfresco dining, and urban gardening. Finishing comforts include a charming wood-burning fireplace, white-washed exposed brick, oversized sash windows, gorgeous hardwood floors, key-locked elevator with direct access, central A/C and heat, Lutron lighting, and an in-home laundry room with a washer/dryer. The lower level of the home begins with an open-concept living room, dining room, and kitchen brimming with abundant natural light from the massive skylight and large windows. The living room boasts grand proportions and a beautiful fireplace, while the kitchen is equipped with a huge island, Carrara marble countertops, subway tile backsplash, custom black-and-white cabinets, and a suite of high-end stainless steel appliances from Viking and Sub-Zero. Just past the kitchen is a quiet den, also suitable for a private home office. Two bedrooms, two bathrooms, and a convenient laundry room complete this wonderful level. Both bedrooms have large reach-in closets, and both full bathrooms have stylish fixtures. A curving skylit staircase flows up to a second level with the primary bedroom and a sunny home gym/library, plus two large terraces. The primary suite opens out onto a north-facing terrace with lush planters and privacy fencing. It also features a walk-in closet and a full en-suite bathroom with a walk-in shower. The home gym/library leads out onto a planted south-facing terrace with classic Flatiron views. 43 West 21st Street is a boutique condominium located in the Flatiron District. The building is moments from a multitude of restaurants, bars, cafes, and shops, and is close to Eataly, Madison Square Park, NoMad, and Chelsea. Nearby subway lines include the 1/F/M/N/R/W. The taxes shown reflect a primary residence abatement.

Features & Amenities

Interior Features

Den Separate Formal Dining Room Entrance Foyer Eat In Kitchen Fireplace

Exterior Features

Building Terrace Terrace

Appliances

Dryer Washer Dryer Allowed Washer

Building Information

Total Units 3
Stories 5

Financial Details

Common Charges $1,710/mo
RE Taxes $64,812/yr ($5,401/mo)
Original Price $5,500,000
Sale Price $5,193,000
Previous Price $5,500,000

The Flatiron District is a vibrant 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

121

Median Asking Price

$2.29M

Median $/Sqft

$1,700

Avg Days on Market

N/A

New This Week

9

Price Reduced

31%

Sold (30 Days)

11

Median Sale Price

$2.80M

Live data from RLS at REBNY • Updated 3/24/26, 6:22 PM EST

Similar Listings in Flatiron

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Location

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43 W 21ST Street #PH, Flatiron, New York County

Floor Plans

Floor Plan
MLS® ID: RLS10783614
First Listed: 12/14/2021
Price Changed: 4/26/2022
Closed: 4/26/2022
Contract Date: 12/14/2021

Listing Courtesy of Serhant - Nicole Palermo

Listing Contact: (917) 226-2704

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.

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RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 3/24/2026 at 10:22 PM UTC

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