$1,185,000
SOLD OCT 31, 2025

4 W 21st St, Unit 10D Floor 10 New York, NY 10010

Flatiron District Neighborhood
2 Beds
2.5 Baths
1,518 Sq Ft
$6,523/mo HOA Fee

Recently Sold

$781 Per Sq Ft

12% Below List Price

128 Days on Market

Highlights

  • City View
  • 3-minute walk to 23 Street (N,R Line)
  • Community Garden
  • P.S. 11 Sarah J. Garnet School Rated A
  • Wood Flooring
  • 5-minute walk to Madison Square Park

About This Home

As of October 2025

Spacious 2-Bed, 2.5-Bath in Prime Flatiron This 1,518+/- SF 2-bedroom, 2.5-bathroom home at 4 West 21st Street offers modern design, abundant light, and top-tier finishes. A gracious entry foyer leads to a sun-drenched great room with floor-to-ceiling windows, electronic shades, and an open chef’s kitchen with Sub-Zero, Miele, Bosch, and Kohler appliances. Both south-facing bedrooms feature en-suite baths and open views. The primary suite includes a large walk-in closet and spa-like bath with heated floors, double vanity, soaking tub, and glass shower. Additional highlights include in-unit laundry, custom window treatments, and hardwood floors. Full-service condop with doorman, fitness center, garage access, and landscaped garden. Pet- and investor-friendly. Close to Madison Sq & Union Sq Parks, dining, shopping, and transit.

Last Agent to Sell the Property

Katherine Salyi

Sothebys International Realty License #10301212065 Listed on: 04/08/2025

Sothebys International Realty

Co-Listed By

Michael Wolland

Sothebys International Realty License #10401306233

Property Details

Home Type

  • Co-Op

Year Built

  • Built in 2006

HOA Fees

  • $6,523 Monthly HOA Fees

Parking

  • Garage

Home Design

  • Entry on the 10th floor

Interior Spaces

  • 1,518 Sq Ft Home
  • Entrance Foyer
  • Wood Flooring
  • City Views
  • Dishwasher
  • Laundry in unit

Bedrooms and Bathrooms

  • 2 Bedrooms

Additional Features

  • 9,384 Sq Ft Lot
  • Central Air

Listing and Financial Details

  • Legal Lot and Block 0045 / 00822

Community Details

Overview

  • 56 Units
  • Flatiron Subdivision
  • 17-Story Property

Amenities

  • Community Garden
  • Elevator

Property Details

Home Type

Co-Op

Year Built

Built in 2006

Lot Details

0

HOA Fees

$6,523 per month

Listing Details

  • Exposures: North,South
  • Property SubType: Apartment
  • Property Type: Residential
  • Neighborhood: Flatiron
  • Entry Level: 10
  • Structure Type: None
  • Special Features: None
  • Property Sub Type: Coop
  • Stories: 17

Interior Features

  • Interior Features: Entrance Foyer
  • Appliances: Dishwasher
  • Fireplace: No
  • Flooring: Hardwood
  • Living Area: 1518.0
  • Living Area Units: Square Feet

Beds/Baths

  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Bathrooms Integer: 3
  • Bedrooms: 2

Exterior Features

  • View: City
  • View: Yes
  • Exterior Features: Building Garden

Garage/Parking

  • Garage: Yes

Utilities

  • Laundry Features: Common On Floor, In Unit
  • Green Building Features: Elevator(s)
  • Cooling: Central Air
  • Cooling: Yes

Condo/Co-op/Association

  • Common Charge/Maintenance Fee: 6523.0
  • Common Charge/Maintenance Fee Frequency: Monthly
  • Association: No
  • Common Interest: Stock Cooperative

Lot Info

  • Lot Size Units: Square Feet
  • Lot Size Area: 9384.0
  • Lot Size Dimensions: 102.0 x 92.0

Building Info

  • New Construction: No
  • Units: 56
  • Total Stories: 17
  • Year Built: 2006

Rental Info

  • Furnished: Unfurnished

Tax Info

  • Tax Block: 00822
  • Tax Lot: 0045

Multi Family

  • Building Area Units: Square Feet

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
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List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
10/31/2025 10/31/25 Sold $1,185,000 -8.5% $781 / Sq Ft
08/14/2025 08/14/25 Pending -- -- --
06/26/2025 06/26/25 Price Changed $1,295,000 -4.1% $853 / Sq Ft
04/08/2025 04/08/25 For Sale $1,350,000 0.0% $889 / Sq Ft
01/09/2023 01/09/23 Rented $10,750 0.0% --
01/04/2023 01/04/23 Under Contract -- -- --
12/27/2022 12/27/22 Price Changed $10,750 -2.3% $7 / Sq Ft
12/06/2022 12/06/22 For Rent $11,000 -- --
Source: Real Estate Board of New York (REBNY)

Tax History Compared to Growth

Source: Public Records

Agents Affiliated with this Home

  • Katherine Salyi

    Seller's Agent in 2025

    Katherine Salyi

    Sothebys International Realty

    (212) 365-0927

    2 in this area

    9 Total Sales

    Katherine Salyi
    Section Image

  • M

    Seller Co-Listing Agent in 2025

    Michael Wolland

    Sothebys International Realty

    (917) 748-3357

    1 in this area

    5 Total Sales

    Michael Wolland
    Section Image
  • Celeste Pandhi

    Seller Co-Listing Agent in 2023

    Celeste Pandhi

    Serhant

    (646) 457-8054

    40 Total Sales

    Celeste Pandhi
    Section Image
See All Agents

About This Building

Map

Source: Real Estate Board of New York (REBNY)

MLS Number: RLS20014968

Real Estate Board of New York (REBNY)

APN: 00822-004510D

New York New York County New York 10010 Flatiron District

4 W 21st St Unit 10D, New York, NY

Sold

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