For Sale
House for sale at 4 W 21st Street #12C, New York, NY 10010 | MLS# RLS20070403 | Listing updated on 2026-08-03
Photo 1 of House for sale at 4 W 21st Street #12C, New York, NY 10010 | MLS# RLS20070403 | Listing updated on 2026-08-03
Photo 2 of House for sale at 4 W 21st Street #12C, New York, NY 10010 | MLS# RLS20070403 | Listing updated on 2026-08-03
Photo 3 of House for sale at 4 W 21st Street #12C, New York, NY 10010 | MLS# RLS20070403 | Listing updated on 2026-08-03
Photo 4 of House for sale at 4 W 21st Street #12C, New York, NY 10010 | MLS# RLS20070403 | Listing updated on 2026-08-03
3+
Beds Icon

Street View

$1,175,000

Monthly Est:$5,848

  • Beds Icon1 Bed
  • Beds Icon
    2 Baths
  • Beds Icon1,073sqft

4 W 21st Street #12C, New York, NY 10010

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  • Apartment

  • Built in 2006

  • $2,573/mo HOA

  • 9,384 sqft lot

  • $1,095/sq.ft

Description

Introducing an exceptional opportunity to own a refined modern residence in the heart of the Flatiron District. Residence 12C at 4 West 21st Street offers 1,073 square feet of thoughtfully designed living space, perfectly balancing loft-like openness with contemporary comfort.

Upon entry, the home immediately impresses with rich dark hardwood floors, central air conditioning, and walls of floor-to-ceiling windows that flood the residence with natural light throughout the day. The expansive layout allows for effortless entertaining while maintaining a sense of intimacy and flow.

At the heart of the home is a chef’s kitchen, beautifully appointed with Sub-Zero refrigerati
on, a Miele gas range and dishwasher, a generously sized Kohler sink with garbage disposal, Poliform Varenna high-gloss lacquer cabinetry, and Pied Auberge stone countertops, creating a sleek and highly functional culinary space.

The open-concept kitchen seamlessly connects to the dining and living areas, while the oversized primary bedroom is tucked away for privacy and features three spacious closets and a luxurious, windowed five-fixture en-suite bathroom with a Kohler soaking tub and separate glass-enclosed shower. A second full bathroom, ideal for guests, adds flexibility and convenience. An in-unit washer/dryer completes the home.

Designed by Hugh Hardy with interiors by Anthony Todd, 4 West 21st Street is a full-service condop offering a 24-hour concierge, live-in superintendent, fitness center, landscaped outdoor spaces, and on-site parking garage.

Perfectly situated just moments from Fifth Avenue, Madison Square Park, Eataly, Trader Joe’s, and major transportation including the 1, 6, N, R, F, and M trains, this residence delivers sophisticated city living in one of Manhattan’s most coveted neighborhoods.

Monthly condop maintenance is $5,116, broken down as follows:

Maintenance: $1,872
Taxes: $2,543
Ground lease: $701

There is an assessment in place in the amount of $804.48 per month ending on June 1,2027.

  • Houzeo last checked: 11 minutes ago
  • Listing updated: August 3, 2026 at 1:13 pm
  • Listing Provided by: Justin D Rubinstein (646) 320-7745 | Compass (212) 913-9058
  • Source: Rebny MLS-NY | MLS#: RLS20070403 Rebny MLS-NY

This condo is in:

Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    17

  • County

    New York County

  • City

    New York

  • Neighborhood

    Flatiron District

  • Year Built

    2006

  • HOA Fees

    $2573/mo

  • Finished Area

    1,073 sqft

  • Lot Size

    9,384 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Rebny MLS

  • MLS Number

    RLS20070403

  • Days on Market

    272

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Location

HOA Management

N/A

HOA Fees

$2,573.35/ Monthly

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedroom: 1

    Bathrooms: 2

Interior

  • Exterior Features

    Building Roof Deck, Private Outdoor Space Under60sqft

Utilities & Energy

  • Laundry Features

    Building Washer Dryer Install Allowed, Common On Floor, Common Area

  • Parking Features

    Garage

Other Features

  • Subdivision Name

    Flatiron

  • Patio And Porch Features

    Deck

Price History

DateEventPrice

02/04/2026

Source: mls_logoRebny MLS-NY #RLS20070403

Price Increased

$1,250,000 +6.38%

$1,165/sqft

02/04/2026

Source: mls_logoRebny MLS-NY #RLS20070403

Listed for Sale

$1,175,000

$1,095/sqft

The real estate listing data marked with this icon comes from the IDX program of the RLS at REBNY Listing Service (RLS). Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS") through Nov 04, 2026, 10:15AM. Information deemed reliable but not guaranteed. Information is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than the identification of potential properties for purchase. 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. Buyer to verify all information. © 2026 The Real Estate Board of New York, Inc. All rights reserved.

Advertising Broker: Derek Greene | The Greene Realty Group

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