Unit 021D | 1BD | 1BA
Unit 019A | 1BD | 1BA
Unit 020E | 0BD | 1BA
One Union Square at 1 Union Square South Building Details
One Union Square delivers a premier downtown living experience with a collection of luxury studio, one-, and two-bedroom residences in one of Manhattan's most iconic and vibrant neighborhoods. Positioned just off Broadway between 13th and 14th Street, the building places you at the center of Union Square's energy while offering a refined, amenity-rich retreat above it all.
A full-time doorman welcomes residents into a modern, well-maintained lobby, with four high-speed elevators featuring self-cleaning technology for added convenience. Above, a standout feature of the building awaits-a beautifully landscaped private rooftop park located on the 10th floor. This expansive outdoor space offers 360-degree views of Manhattan, multiple seating areas, Adirondack chairs, and several BBQ stations, creating an inviting environment for relaxation, socializing, or simply enjoying open sky in the heart of the city.
For wellness and recreation, the building includes a state-of-the-art fitness center designed with floor-to-ceiling windows that bring in abundant natural light and provide sweeping city views, making every workout feel elevated.
Residents of One Union Square South benefit from unmatched neighborhood access: steps from Union Square Park, premier dining, top retailers, Whole Foods, Trader Joe's, and an array of subway lines including the 4/5/6, N/Q/R/W, and L trains, as well as nearby Astor Place.
With its prime location, thoughtful amenities, and elevated design, One Union Square South offers an exceptional downtown lifestyle where convenience, comfort, and culture meet seamlessly.
A full-time doorman welcomes residents into a modern, well-maintained lobby, with four high-speed elevators featuring self-cleaning technology for added convenience. Above, a standout feature of the building awaits-a beautifully landscaped private rooftop park located on the 10th floor. This expansive outdoor space offers 360-degree views of Manhattan, multiple seating areas, Adirondack chairs, and several BBQ stations, creating an inviting environment for relaxation, socializing, or simply enjoying open sky in the heart of the city.
For wellness and recreation, the building includes a state-of-the-art fitness center designed with floor-to-ceiling windows that bring in abundant natural light and provide sweeping city views, making every workout feel elevated.
Residents of One Union Square South benefit from unmatched neighborhood access: steps from Union Square Park, premier dining, top retailers, Whole Foods, Trader Joe's, and an array of subway lines including the 4/5/6, N/Q/R/W, and L trains, as well as nearby Astor Place.
With its prime location, thoughtful amenities, and elevated design, One Union Square South offers an exceptional downtown lifestyle where convenience, comfort, and culture meet seamlessly.
One Union Square Building Amenities
- Full-time doorman
- On-site laundry
- Concierge
- Elevator
Active Listings & Units
One Union Square Residences
Recent Activity at One Union Square
Apartment Floor Plans
Building Facts for 1 Union Square South, New York 10003
- Available Sales Listings: 0
- Street Address: 1 Union Square South, New York, NY 10003
- Property Type: Rental Building/Apartment
- Elevator Building
- Doorman: Full-time doorman
- Neighborhood: Flatiron / Manhattan
- Building Name: One Union Square
- Available Rental Listings: Please Inquire
- Floors: 27
-
Near Subway Lines:
Map Location of One Union Square and nearby points of interest
Coming Soon
Alternate Addresses for One Union Square in NYC
- 1 UNION SQUARE SOUTH
- 142 4 AVENUE
- 144 4 AVENUE
- 146 4 AVENUE
- 148 4 AVENUE
- 150 4 AVENUE
- 152 4 AVENUE
- 154 4 AVENUE
- 156 4 AVENUE
- 158 4 AVENUE
- 65 EAST 13 STREET
- 67 EAST 13 STREET
- 69 EAST 13 STREET
- 71 EAST 13 STREET
- 73 EAST 13 STREET
- 75 EAST 13 STREET
- 77 EAST 13 STREET
- 79 EAST 13 STREET
- 81 EAST 13 STREET
- 83 EAST 13 STREET
- 85 EAST 13 STREET
- 87 EAST 13 STREET
- 89 EAST 13 STREET
- 91 EAST 13 STREET
- 93 EAST 13 STREET
- 95 EAST 13 STREET
- 97 EAST 13 STREET
- 99 EAST 13 STREET
- 140 4 AVENUE
- 54 EAST 14 STREET
- 56 EAST 14 STREET
- 58 EAST 14 STREET
- 60 EAST 14 STREET
- 62 EAST 14 STREET
- 54 UNION SQUARE SOUTH
- 56 UNION SQUARE SOUTH
- 58 UNION SQUARE SOUTH
- 60 UNION SQUARE SOUTH
- 62 UNION SQUARE SOUTH
- 842 BROADWAY
- 850 BROADWAY
- 52 EAST 14 STREET
You have been subscribed to receive the following updates on One Union Square