7 Beds
7 Baths
4,175 sqft
$6,495,000
439 W 21st Street, New York City NY, 10011
Price per sqft$1,555.69
Built in1900
Property size4,175 sqft
Property typeResidential
Overview
Active
Listed Jul 1, 2025
Updated 22h ago
For sale іѕ a luхury multi‐familу tοwnhοuse that includes fіve ѕtudios and a triplex with two bedrooms and one and a half bathrooms. This property is located on one of the most exquisite blocks in Chelsea, surrounded by charming historic landmark houses.
Situated in a prime location between Ninth and Tenth Avenue, this property is considered a prestigious asset in highly sought-after West Chelsea. Nestled on a serene tree-lined street, it offers a tranquil setting. The townhouse enjoys close proximity to several notable Chelsea attractions, including Chelsea Piers, the High Line, and the world-renowned Chelsea Market.
Currently, the layout comprises two studios with market rates, two occupied rent-stabilized units, and one vacant rent-stabilized studio that could potentially be combined with the free market triplex. Additionally, the property boasts a 35-foot-deep private rear yard, providing a delightful outdoor space.
This property presents a compelling opportunity for both investors and end-users due to its strong rental cash flow and various value-add features:
Development potential utilizing the unused air rights to construct an additional 1.5 stories.
A garden floor triplex with high-end renovations, offering an excellent live-in plus income opportunity.
Potential for future conversion into a single-family residence. The advertised floor plan is a proposed floor plan
It comprises a total floor area of 4,175 square feet and features six units in total, including five studios and one triplex. The rear yard spans 740 square feet, providing ample outdoor space. Moreover, the property has 1,135 square feet of available air rights for potential future development. The lot dimensions measure 1983, while the building dimensions are 1944.
Situated in a prime location between Ninth and Tenth Avenue, this property is considered a prestigious asset in highly sought-after West Chelsea. Nestled on a serene tree-lined street, it offers a tranquil setting. The townhouse enjoys close proximity to several notable Chelsea attractions, including Chelsea Piers, the High Line, and the world-renowned Chelsea Market.
Currently, the layout comprises two studios with market rates, two occupied rent-stabilized units, and one vacant rent-stabilized studio that could potentially be combined with the free market triplex. Additionally, the property boasts a 35-foot-deep private rear yard, providing a delightful outdoor space.
This property presents a compelling opportunity for both investors and end-users due to its strong rental cash flow and various value-add features:
Development potential utilizing the unused air rights to construct an additional 1.5 stories.
A garden floor triplex with high-end renovations, offering an excellent live-in plus income opportunity.
Potential for future conversion into a single-family residence. The advertised floor plan is a proposed floor plan
It comprises a total floor area of 4,175 square feet and features six units in total, including five studios and one triplex. The rear yard spans 740 square feet, providing ample outdoor space. Moreover, the property has 1,135 square feet of available air rights for potential future development. The lot dimensions measure 1983, while the building dimensions are 1944.
$43,211/mo
Est. mortgage payment based on a $6,495,000 home price.
All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.
Additional information
- MLS® ID
- RLS20034401
- Available since
- October 16, 2025
Interior Features
- Bedrooms
- 7
- Bathrooms
- 7
- Cooling
- Yes
- Heating
- Yes
- Basement
- No
Exterior Features
- Lot Size
- 0.04 Acres
Other Property Details
- HOA Frequency
- Monthly
Listing Courtesy of UbiQ NY Ltd - Andrew A Brenta
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.This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
This 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
RLS Data display by Brown Harris Stevens. Data last updated on 9/22/2026 at 12:34 AM UTC
