$1,350,000

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

Flatiron District Neighborhood

Estimated payment $15,394/month

Total Views 918
2 Beds
2.5 Baths
1,518 Sq Ft
$889 Price per Sq Ft

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

Spacious 2-Bed, 2.5-Bath in Prime FlatironThis 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. Monthly capital assessment of $176.17 through July 2025 & some marketing materials are virtually enhanced.

Listing Agent

Katherine Salyi

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

Sothebys International Realty

Co-Listing Agent

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

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

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
  • Rooms (Total): 4

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

Map

About This Building

Range of Values:

Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Property History

Date Event Price Change Sq Ft Price
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)

Similar Homes in the area

  • 244 W 23rd St Unit 3A, New York, NY 10011

    $1,495,000

    • 1 Bed
    • 2.5 Baths
    • 1,300 Sq Ft
    • 244 W 23rd St
    • Unit 3A
    • New York, NY

    Elegant Chelsea Duplex Designed by Jeffrey M. Williams, AIA Experience sophisticated urban living in this luminous, architect-designed duplex loft, masterfully envisioned by renowned architect Jeffrey M. Williams. Located in the heart of Chelsea, this residence effortlessly combines timeless architectural elegance with contemporary luxury. As you enter, expansive south-facing windows illuminate

    Thomas Hollingsworth Compass

    Section Image
  • 230 E 15th St Unit 4AB, New York, NY 10003

    $1,150,000

    • 2 Beds
    • 2 Baths
    • 1,100 Sq Ft
    • 230 E 15th St
    • Unit 4AB
    • New York, NY

    With 40 feet of north-facing windows overlooking Stuyvesant Square Park, this tree-level two-bedroom, two-bathroom home offers exceptional privacy and a peaceful, picture-perfect view. Thoughtfully configured from two combined units, the layout balances openness with separation ideal for both quiet retreat and entertaining. Every room is filled with soft natural light and calming park vistas.

    Thomas Hollingsworth Compass

    Section Image
  • 221 E 50th St Unit 6/7-D, New York, NY 10022

    $1,150,000

    • 3 Beds
    • 3 Baths
    • 1,400 Sq Ft
    • 221 E 50th St
    • Unit 6/7-D
    • New York, NY

    -Co-op -Washer/Dryer in Unit -Fully Renovated Duplex Unit Step into this impeccably designed, sunlit duplex nestled in the vibrant Midtown East/Turtle Bay neighborhood. This exceptional home seamlessly combines two units to create a spacious three-bedroom, three-bathroom residence that makes the most of its expansive layout. Whitewashed oak floors welcome you inside, where a full-width southern

    Dylan Hoffman Compass

    Section Image
  • 221 E 50th St Unit 6D/7D, New York, NY 10022

    $1,150,000

    • 3 Beds
    • 3 Baths
    • 221 E 50th St
    • Unit 6D/7D
    • New York, NY

    -Co-op-Washer/Dryer in Unit-Fully Renovated Duplex UnitStep into this impeccably designed, sunlit duplex nestled in the vibrant Midtown East/Turtle Bay neighborhood.This exceptional home seamlessly combines two units to create a spacious three-bedroom, three-bathroom residence that makes the most of its expansive layout. Whitewashed oak floors welcome you inside, where a full-width southern

    Dylan Hoffman Compass

    Section Image
  • 477 Fdr Dr Unit M103-104, New York, NY 10002

    $1,495,000

    • 4 Beds
    • 2 Baths
    • 1,800 Sq Ft
    • 477 Fdr Dr
    • Unit M103-104
    • New York, NY

    **All showings – including Sunday Open Houses – are by appointment only. If you are working with another agent, that agent needs to reach out to make the appointment and is required to be present.**Great Value! Incredible opportunity to own a 4 Bedroom / 2 Bathroom apartment with TWO private balconies in Manhattan! Two separate apartments have been combined to create this huge place called home!

    Jacob Goldman LoHo Realty Inc

    Section Image
  • 575 Grand St Unit E1505, New York, NY 10002

    $1,295,000

    • 3 Beds
    • 2 Baths
    • 1,250 Sq Ft
    • 575 Grand St
    • Unit E1505
    • New York, NY

    **High-floor renovated 3 Bedroom / 2 Bath with sweeping skyline views of Downtown Manhattan, including the Freedom Tower, East River, and glimpses of both the Manhattan and Brooklyn Bridges!**This spacious, open-concept home begins with an entry foyer that flows into an expansive living room and formal dining area—ideal for entertaining. The adjacent windowed kitchen features rich dark wood

    Jacob Goldman LoHo Realty Inc

    Section Image
  • 455 Fdr Dr Unit B405, New York, NY 10002

    $1,250,000

    • 3 Beds
    • 2 Baths
    • 1,250 Sq Ft
    • 455 Fdr Dr
    • Unit B405
    • New York, NY

    **All showings – including Sunday Open Houses – are by appointment only. If you are working with another agent, that agent needs to reach out to make the appointment and is required to be present.**Beautifully Renovated True 3-Bedroom, 2-Bath Home with Stunning Views!This spacious, fully renovated 3-bedroom, 2-bath residence offers approximately 1,250 sq. ft. of thoughtfully designed living

    Jacob Goldman LoHo Realty Inc

    Section Image
  • 81 Columbia Heights Unit 5/6/7, Brooklyn, NY 11201

    $1,350,000

    • 2 Beds
    • 3 Baths
    • 81 Columbia Heights
    • Unit 5/6/7
    • Brooklyn, NY

    This is a fantastic opportunity for a buyer with vision! A rare 2-bedroom, 3-bathroom combination unit in prime Brooklyn Heights, offering direct water and Manhattan skyline views. Located on an elevated first floor of a charming walk-up co-op, this home is incredibly private and pin-drop quiet.The flexible layout allows for reconfiguration to suit your needs, and the kitchen could easily be

    Melissa Leifer Keller Williams NYC

    Section Image
  • 225 E 79th St Unit 7 CD, New York, NY 10075

    $1,150,000

    • 2 Beds
    • 2 Baths
    • 225 E 79th St
    • Unit 7 CD
    • New York, NY

    Stunning and turn-key designer renovated two bedroom two bathroom in a gorgeous prewar building. Just combined and gut renovated this March, apartment 7CD exudes all of the prewar accents one would expect from a building built in 1929, however you get to enjoy all the modern conveniences of 2025. This split layout begins as you enter into the gracious foyer flowing into the

    Wesley Stanton Douglas Elliman Real Estate

    Section Image
See All Homes in New York

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

This home is located at 4 W 21st St Unit 10D, New York, NY 10010 and is currently priced at $1,350,000, approximately $889 per square foot. This property was built in 2006. 4 W 21st St Unit 10D is a home located in New York County with nearby schools including P.S. 11 Sarah J. Garnet School, Clinton School, and Middle School 297.

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Real Estate Board of New York (REBNY) This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2025 The Real Estate Board of New York, Inc., All rights reserved.

RLS Data display by Homes.com LLC

Nearby Homes
Katherine Salyi
Listing Agent
Katherine Salyi
Section Image
Sothebys International Realty
(212) 365-0927