Building
One Union Square South
1 Union Square S, Manhattan, NY 10003

1 Union Sq S is a 27 story rental building building in Flatiron. It was built in 1996 and has 240 units.

Units

Unit
Status
Price
$8,022 Avg.
Price/Sq. Ft.
Bd
Ba
Sq. Ft.
Floor Plan
Union Square SActive$9,895-22-
1 Union Square S - #14KActive$7,120-11-
Union Square SActive$7,050-11-

Building
One Union Square South
1 Union Square S, Manhattan, NY 10003

Building Amenities

Barbecue Area
Common Outdoor Space
Common Roof Deck
Concierge
Elevator
Full-Time Doorman
Gym
Health Club
Highrise
Laundry in Building

Building Facts

Building Overview
Property Type: Rental Building
Building Size: Highrise
Access: Elevator
Service Level: Full Service
Year Built: 1996
Building Era: Post-war
Building Class: D9
Owner: 14TH STREET ASSOCIATE
Developer: The Related Companies,Related Companies, The
Size & Dimensions
Units: 240
Stories: 27
Zoning & Use
Total Units: 240
Location Details
Street Address: 1 Union Square S
Zip Code: 10003
Building Name: One Union Square South
Complex Name: -
Neighborhood: Greenwich Village
City: Manhattan
State: NY
Districts
Community District: 102
City Council: 2
Police Precinct: 9

Neighborhood Map and Transit

Schools


SchoolTypeGradesDistanceRating
GRACE CHURCH HIGH SCHOOLPrivatePK-120.1 mi
NR
Academy for Software EngineeringPublic9-120.1 mi
6
Gramercy Arts High SchoolPublic9-120.2 mi
8
High School For Language And DiplomacyPublic9-120.2 mi
3

GRACE CHURCH HIGH SCHOOL

PK-12, 0.1 mi, Private

NR

Academy for Software Engineering

9-12, 0.1 mi, Public

6

Gramercy Arts High School

9-12, 0.2 mi, Public

8

High School For Language And Diplomacy

9-12, 0.2 mi, Public

3

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Neighborhood image
Greenwich Village
The heart and soul of lower Manhattan. “The Village” is a beloved mix of the best that New York has to offer, including the iconic Washington Square Park. A diverse group of residents all contribute to the energy of this lively yet well-behaved slice of Manhattan.

More information about 1 Union Square S, Manhattan, NY 10003

This building sits amid Downtown Manhattan, East Village, Flatiron, Gramercy and Greenwich Village, intersecting ZIP codes 10012, 10002, 10009, 10010 and 10011 — and directly borders New York, Manhattan, Brooklyn, Queens and Hoboken. For added insight, see how this compares to average rental rates in Manhattan. *All numbers are for indication only and are not guaranteed.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Updated as of Jul 7, 2026.