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Altair 20,
15 West 20th Street
Condo located in Flatiron/Union Square, between Fifth Avenue & Sixth Avenue
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- Recent Sales (3)
- All Units in Building (19)
Overview of Altair 20 at 15 West 20th Street
Altair 20 is a boutique condominium in the bones of a Neo-Renaissance store-and-loft building in the Ladies Mile Historic District. A part-time doorman and live-in superintendent are on staff, and amenities include a La Palestra fitness center, storage, and a landscaped roof deck with cabanas and grills. Pets are welcome.
Altair 20 is located at 15 West 20th Street near Eataly, Trader Joe's, Madison Square Park, Union Square Park, and acclaimed restaurants like Eleven Madison Park. It is in the heart of the Flatiron District near NoMad, Chelsea, Union Square, and Gramercy. The N/R/W, F/M, 6, 1, and PATH trains are close by.
Year Built
1906
Converted:
2006
Apartments
19
Floors
11
Pets:
Allowed
Neighborhood
Flatiron/Union Square (Manhattan)
Min Down
20%
19Apartments
View All Past
Sales & Rentals
in Building
Sales & Rentals
in Building
Amenities
- Pre War
- Central AC
- Intercom
- Rooftop Terrace
- Elevator
- Outdoor Entertainment Space
- In-Unit Washer/Dryer
- Fireplaces
- Landmarked
- Terraces / Balconies
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Nearby Subways
- N
- R
- M
- F
- 1
- 2
- 3
- L
- 6
- Q
- 4
- 5
- C
- E
Carter’s Review
"This handsome building at 15 West 20th Street between Fifth Avenue and the Avenue of the Americas was erected in 1906 and converted to a residential condominium by Extell Development a century later.
The 11-story has 19 apartments."
Read Full Review
The 11-story has 19 apartments."
Read Full Review
Pros & Cons
- Sidewalk landscaping
- Good location in Flatiron District
- Storage
- Live-in superintendent
- Permits pets
- Part-time doorman
- Roof deck with cabanas and grill
- Close to Subway
- No balconies
- No swimming pool
- No concierge
Sales History
View Full Closing HistorySales Summary
View Summary by Apartment SizeSales History by Apartment Size
View Full Closing History
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Pricing Comparison of Similar Buildings
View Detailed ComparisonEditorial Coverage
- New development listings: How much are new construction condos selling and reselling? Thursday, July 9, 2020
- New Listings: Ten Prettiest Duplexes Available in NYC Thursday, April 5, 2018
- Extell plans 15-story residential building at 19 West 20th Street Monday, June 9, 2008
- Sales progress at Altair 18 in Chelsea Thursday, January 26, 2006
- Extell''s Broadway towers are dissimilar Tuesday, October 25, 2005
- Sales office to open soon for two Chelsea condo buildings Monday, October 24, 2005
- New Chelsea condo Monday, July 25, 2005
Alternate Address
- 13 West 20th Street
at The Northeast corner of East 86th Street
Carnegie Hill
Refined Residences that Redefine life on Lexington Avenue.
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RLS IDX Data display by CityRealty.com, LLC.
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2024 The Real Estate Board of New York, Inc., All rights reserved.
IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.
All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.
CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.
All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.
CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.
An equal housing opportunity 
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