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Tenant Broker’s Perspective: office buildings being demolished or converted to residential are driving up rental prices at 21-25 Union Sq W. This trend is projected to continue. Opportunities for subleases remain available at 21-25 Union Sq W and in the nearby Union Square neighborhood.
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Rent 21-25 Union Sq W Property Overview

Building Address: 21-25 Union Sq W, New York NY 10003
Building Name: Carlyle Court
Zip Code:10003
Neighborhood:Union Square
Borough:Manhattan
Stories:0
Year Built:1986
Building Class:B

21-25 Union Square West in Manhattan, NYC, is part of a significant historical and cultural neighborhood known as Union Square. The area itself has a rich history dating back to the 19th century, transforming from farmland to a public park and eventually a commercial hub. However, specific information regarding the individual history of the buildings at 21-25 Union Square West is limited. The Carlyle Court, located at 25 Union Square West, was built in 1986 and is classified as a dormitory building. It has a total floor area of 238,204 square feet and is situated in the Flatiron District, a neighborhood adjacent to Union Square.

The broader neighborhood has seen significant development over the years, transitioning from residential mansions to commercial buildings. Prominent structures nearby include the Century Building, an 1880–1881 Queen Anne-style building now recognized as a New York City landmark and listed on the National Register of Historic Places. Union Square itself played a pivotal role in labor history, hosting the first Labor Day parade in 1882.

21-25 Union Sq W, Manhattan, NYC

Building Name: Carlyle Court

Alternate Addresses: 21-23 E 15th St, 20-22 E 16th St

Neighborhood: Union Square/Flatiron District

Zip Code: 10003

Borough: Manhattan

Building Class: B (some sources list Dormitory H8)

Year Built: 1986

Stories: 12


21-25 Union Sq W Amenities

21-25 Union Square West, also known as Carlyle Court, offers several building amenities for residents, including:

  • On-site Property Management
  • Laundry Facilities
  • Elevator Access

Office Tenants at 21-25 Union Square West, Manhattan, NYC

21-25 Union Square West in Manhattan, New York City, is part of a vibrant office and retail area near Union Square. While detailed specific tenant names for this exact address are not publicly available, the building comprises office spaces that attract various professional tenants.

The surrounding Union Square area is known for a mix of office tenants including financial technology firms, software companies, and educational and event organizations, reflecting a dynamic and diverse commercial environment.

Nearby, the modern mixed-use building at 124 E. 14th Street, close to Union Square, is fully leased by tenants such as:

  • Melio (financial technology)
  • Sigma Computing (software)
  • Civic Hall (digital training and events hub, nonprofit)

This illustrates the type of innovative and service-oriented tenants that are typical in the Union Square office market.

The area has experienced increased foot traffic, a rebound in office worker visits, and new ground-floor businesses opening, which supports a thriving office tenant base in buildings like 21-25 Union Square West.


Internet at 21-25 Union Sq W

Internet Providers at 21-25 Union Sq W, Manhattan, NYC

Residents and businesses at 21-25 Union Sq W have access to multiple high-quality internet service providers offering a range of connection types, speeds, and pricing options.

Verizon Fios

  • Type: Fiber-optic
  • Speeds: Starting at 300 Mbps, up to 2.3 Gbps
  • Pricing: Plans starting around $49.99/month
  • Features: Symmetrical speeds, reliable service, bundles available including phone and TV
  • Coverage: Available in approximately 85% of Manhattan, including Union Square area

Astound Broadband Powered by RCN

  • Type: Cable and Fiber
  • Speeds: Up to 1.5 Gbps
  • Pricing: Plans starting around $35/month
  • Features: Unlimited data, good value for high-speed internet
  • Coverage: Widely available in Manhattan, including Union Square vicinity

Spectrum

  • Type: Cable and Fiber
  • Speeds: Up to 1 Gbps
  • Pricing: Starting at about $30-$50/month
  • Features: No data caps, TV and phone bundles available
  • Coverage: Ubiquitous in Manhattan, including Union Square

Xfinity

  • Type: Cable
  • Speeds: Up to 2 Gbps
  • Pricing: Plans starting around $30/month
  • Coverage: Available in parts of Manhattan, including areas surrounding Union Square

T-Mobile Home Internet

  • Type: 5G Wireless
  • Speeds: Typically between 87 Mbps and 415 Mbps
  • Coverage: Good coverage in much of Manhattan, including Union Square

Satellite Internet (HughesNet, Viasat)

  • Type: Satellite
  • Speeds: 30-150 Mbps
  • Coverage: Available but generally slower and more expensive than other options

21-25 Union Sq W Access

21-25 Union Square West, Manhattan, NYC, is conveniently located near several transportation options, including the subway at 14 St-Union Sq. The cross streets are Broadway and Union Square West.


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