The listing facts are current enough for an initial property review.
439 W 21st St Unit 12345
Listing Notes
For sale is a luxury multi-family townhouse that includes five studios 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.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.
Market Insights
$1556/sqft vs a nearby median of $2204/sqft.
- -29% versus the nearby median price per square foot.
- Price history is limited, so current comps matter more than trend alone.
- 4,175 sqft creates a usable price-per-square-foot read.
Pricing Read
Asking price is about 45.2% below the fair value — likely to draw competing offers if it's still on market.
- Pre-war character+$230k +2.5%
- Transit access+$46k +0.5%
- Visible condition issues−$46k −0.5%
Property Read
The asking price per square foot is below the nearby median, which can be worth a closer comp check.
Price history is still limited; review again as more market activity becomes available.
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Generated from the facts shown on this page and nearby market data. Not a professional appraisal.
Listing Details
- Days on market
- 6 days
- Last price change
- No change recorded
- Listed
- May 6, 2026
- Photos
- 15 photos
- Property type
- townhomes
- Status
- for sale
Features & Amenities
Photos
Building Facts
- Year built
- 1853
- Stories
- 4
- Total units
- 8
- Residential units
- 8
- Building area
- 3,600 sqft
- Lot size
- 1,577 sqft
- Land use
- Multi-family walk-up buildings
- Building class
- C1
From NYC public records where available.
Price History
Public Records
14 total recorded against the building
10 total recorded
Tax-lot deed, mortgage, and transfer records on file
Top: encampment
Top complaint types in ZIP 10011
- Encampment3,789
- Noise - Residential1,437
- Illegal Parking1,317
- Homeless Person Assistance1,218
- HEAT/HOT WATER1,215
Recent DOB
- Nov 14, 2025V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
- Sep 23, 2024V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
- Jun 30, 2023V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
- Jun 20, 2023V*-DOB VIOLATION - DISMISSED · LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED
Recent HPD
- Apr 29, 2026Class A · (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD S WEBSITE, WWW.NYC.GOV\HPD, SEARCH BE...
- Nov 17, 2025Class I · §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITE...
- Nov 22, 2024Class I · §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITE...
- Apr 1, 2024Class A · (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD S WEBSITE, WWW.NYC.GOV\HPD, SEARCH BE...
Recent Transfers (ACRIS)
- Sep 27, 2017DEED$5,720,000
Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.