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Rent/Lease Office 19 Union Sq W

$ / SF SF Monthly Rent

Nearby Sublease office Spaces for Rent

Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Fifth Ave & East 19th Street $ 77
8,800
$ 56,466
Fifth Ave & East 16th Street $ 42
10,100
$ 35,350
Park Ave S & Between East 19th Street $ 60
7,700
$ 38,500
Madison Ave & East 29th Avenue $ 59
10,500
$ 51,625
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
Type of Space Class A/month Class B/month Class C/month
Windowed office/person $ 2100 $ 1481 $ 775
Interior office/person $ 1350 $ 981 $ 525
Team Rooms $ 10100 $ 8231 $ 5025
Suites $ 20100 $ 12231 $ 7025

Nearby office Spaces for Rent

Address $ / SF SF Monthly Rent
Madison Ave & East 25th Street $ 92
9,100
$ 69,766
Park Ave S & East 20th Street $ 80
13,000
$ 87,208
Address $ / SF SF Monthly Rent
Park Ave S & East 17th Street $ 95
4,000
$ 31,666
Address $ / SF SF Monthly Rent
Address $ / SF SF Monthly Rent
E 26th St & Fifth Avenue $ 125
12,100
$ 126,041
Park Ave S & East 20th Street $ 79
13,000
$ 85,583
Park Ave S & Between East 19th Street $ 66
7,700
$ 42,670
Park Ave S & East 27th Street $ 75
8,700
$ 54,375
Broadway & Between East 13th Street $ 70
12,700
$ 74,083
Madison Ave & East 29th Avenue $ 60
8,300
$ 41,845
E 23rd St & Park Avenue $ 41
18,400
$ 62,866
Park Ave S & East 26th Street $ 48
12,000
$ 48,000
Park Ave S & East 27th Street $ 69
13,100
$ 75,325
Madison Ave & East 28th Street $ 40
18,500
$ 60,895
Fifth Ave & East 29th Street $ 78
12,500
$ 81,770
Address $ / SF SF Monthly Rent
Fifth Ave & East 29th Street $ 73
4,700
$ 28,591
Park Ave S & East 26th Street $ 75
2,700
$ 16,875
Broadway & East 18th Street $ 72
2,500
$ 15,104
University Pl & East 12th Street $ 50
6,500
$ 27,083
E 23rd St & Park Avenue $ 42
6,100
$ 21,350
Broadway & East 20th Street $ 76
3,700
$ 23,433
Broadway & Between East 19th Street $ 76
5,300
$ 33,787
Park Ave S & East 26th Street $ 70
3,900
$ 22,912
Union Sq W & East 16th Street $ 66
3,700
$ 20,504
Address $ / SF SF Monthly Rent
E 23rd St & Third Avenue $ 46
2,400
$ 9,100
Broadway & East 18th Street $ 74
1,800
$ 11,025
Park Ave S & East 26th Street $ 63
2,100
$ 11,025
Fifth Ave & East 29th Street $ 73
2,000
$ 12,100
Broadway & Between East 19th Street $ 75
2,200
$ 13,750
Address $ / SF SF Monthly Rent
Madison Ave & East 30th Street $ 39
11,000
$ 35,750
E 23rd St & Lexington Avenue $ 67
21,600
$ 120,600
E 19th St & Broadway $ 52
7,700
$ 33,687
Address $ / SF SF Monthly Rent
E 23rd St & Park Avenue $ 35
2,800
$ 8,166
Fifth Ave & Between East 28th Street $ 52
5,000
$ 21,875
E 19th St & Broadway $ 54
5,500
$ 24,979
Fifth Ave & East 29th Street $ 59
2,500
$ 12,291
Address $ / SF SF Monthly Rent
E 28th St & Park Avenue South $ 38
2,300
$ 7,379
Broadway & East 21st Street $ 74
1,800
$ 11,175

Retail Spaces for Rent at 19 Union Sq W

Rent Retail 19 Union Sq W

$ / SF SF Monthly Rent
Negotiable
6,500
Negotiable

Rent Medical Space at 19 Union Sq W

Tenant Broker’s Perspective: Return-to-office mandates are driving up rental prices at 19 Union Sq W. This trend is projected to continue. Opportunities for subleases remain available at 19 Union Sq W and in the nearby Gramercy Park neighborhood.
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19 Union Sq W nyc
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19 Union Sq W Property Overview

Building Address: 19 Union Sq W, New York NY 10003
Zip Code:10003
Neighborhood:Gramercy Park
Borough:Manhattan
Stories:13
Year Built:1911
Building Class:B
Block & lot:00843-0020

History of 19 Union Square West, Manhattan, NYC

19 Union Square West is a historic office and commercial building located in the Flatiron District of Manhattan, New York City. The building was constructed in 1912 and stands 12 stories tall, encompassing approximately 87,545 square feet. It has been valued at over $39 million in recent tax assessments.

The building is part of the architectural and commercial evolution of the Union Square area, which was initially farmland before becoming a prominent urban public space in the early 19th century. Union Square itself was laid out as part of the 1811 Commissioners' Plan and was developed into a public park by 1839. The area around Union Square transitioned from residential to commercial use after the Civil War, with old mansions giving way to business buildings by the early 20th century.

19 Union Square West was constructed during this commercial expansion period, reflecting the demand for office spaces in the thriving neighborhood known for its mix of retail, office, and cultural establishments. The building is classified as an Office with Commercial 7-19 Stories (O6) and is notable for its location within a historically significant district that includes other landmark structures dating back to the late 19th and early 20th centuries.

Throughout its existence, the building has housed multiple commercial tenants, contributing to the economic vitality of Union Square as a major Manhattan hub that blends historic architecture with modern use.

19 Union Square West

Neighborhood: Flatiron District, Manhattan, NYC

Zip Code: 10003

Building Class: Office - Class B

Stories: 12

Year Built: 1912

Total Square Footage: Approximately 121,548 SF

Lot Size: 0.17 Acre

Building Dimensions: 52 ft x 140 ft

Building Type: Multi-tenant office building with commercial space

Layout: Side-core layout allowing for larger open space and efficient workflow

Features & Amenities:

  • Attended lobby with 24-hour building access
  • Tenant-controlled HVAC with 24/7 operation
  • Brand-new security system and secure keycard access 24/7/365
  • Freight entrance on East 15th Street
  • Energy Star-awarded building
  • Approximately 12-foot ceiling heights
  • Oversized operable windows offering abundant natural light and views of Union Square Park

Transportation: Located steps from the Union Square transit hub with access to multiple subway lines (L, N, Q, R, 4, 5, 6) and M14D bus routes; walking distance to 6th Avenue/14th Street station (F, M trains) and NJ PATH rail system

Nearby Points of Interest: Union Square Park (approx. 0.1 miles), popular restaurants and hotels within walking distance


19 Union Square West, Manhattan, NYC, offers a range of amenities that enhance its appeal as a boutique office and retail building. Key features include:

  • 24/7 Access secured by keycard, ensuring flexibility for tenants.
  • Attended Lobby with a doorman, providing a professional first impression.
  • Natural Light abounds due to 31 oversized operable windows offering south and east exposure.
  • Tenant-Controlled HVAC, allowing operations around the clock.
  • Side-Core Layout that facilitates larger open spaces and efficient workflow.
  • Security System for enhanced safety and peace of mind.
  • Energy Efficiency with an Energy Star label.
  • Prime Location directly across from the Union Square transit hub and nearby educational institutions.

Office Tenants Rented / Leased at 19 Union Square West, Manhattan, NYC

19 Union Square West is a multi-tenant office and retail building located in Manhattan's Flatiron District, with a total property size of 121,548 square feet across 13 floors. It offers 24-hour access, an attended lobby, and views of Union Square Park.

Among the notable tenants leasing office space at 19 Union Square West are:

  • Updater Inc.
  • Ampush
  • Sonic Union
  • Realization Center

The building currently has multiple office spaces available for lease totaling approximately 27,699 square feet. The 12th floor features a turnkey office space of 9,233 square feet overlooking Union Square Park.


In the area around 19 Union Square West, Manhattan, New York City, several internet providers offer services. Key providers include:

  • Verizon Fios: Known for high speeds starting at 300 Mbps and reaching up to 2.3 Gbps. Verizon offers reliable fiber-optic internet with comprehensive coverage across Manhattan.
  • Astound Broadband Powered by RCN: Offers both cable and fiber services with unlimited data usage. It provides coverage across much of Manhattan, though there are some exceptions in areas like Inwood.
  • Spectrum: Provides ubiquitous cable internet with speeds up to 1 Gbps. It covers a significant portion of Manhattan and offers competitive pricing.
  • Starry Internet: Offers fixed wireless internet with speeds of up to 1 Gbps. It is available in select areas, including Union Square and surrounding neighborhoods.

19 Union Square West, located in Manhattan, NYC, offers convenient access to various public transportation options. The nearest subway station is 14 St-Union Sq, served by subway lines 5, 6, L, N, Q, R, W. Multiple bus routes pass nearby, including the M1, M102, and M15-SBS buses.

Cross streets at this location include Broadway to the west and University Place to the east. 14th Street runs along the southern edge of Union Square, connecting to major thoroughfares like 5th Avenue and Park Avenue South.


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Why Optimal Spaces –
Tenant Broker

  • No fee for clients renting space.
  • We work for YOU, not the landlord.
  • Save 15–20% on your business costs.
  • Save 100–200 hours of research.
  • Access to all available spaces.
  • Specialized real estate expertise.

Alone or with other broker

  • Miss deals and hard-to-find spaces.
  • Potential conflict of interest (often represent landlords).
  • Only 10% of available spaces are online.
  • Lack of specialized expertise.
  • May not get the best terms or uncover hidden costs.
Why Use a Tenant Broker: Your Advocate in Commercial Real Estate
1. The Crucial Distinction: Whose Side Are They On?
Landlord Rep (Listing Agent) — Fiduciary Duty: Landlord. Highest rent, best terms for landlord.
Tenant Rep (Tenant Broker) — Fiduciary Duty: Tenant Only. Lowest rent, best terms for tenant. Levels the playing field.
2. It Almost Always Costs You Nothing
3. Access to “Hidden” Inventory
4. Negotiating Beyond Base Rent
Landlord pays the broker fee — free expert representation for the tenant.
Access to hidden inventory: off-market listings, subleases, and future availabilities via broker databases and networks.
Negotiating beyond base rent: free rent, TI allowance, OPEX caps, and lease flexibility for renewal or expansion.
5. Time Savings & Process Management
6. Mitigating Risk (the “Gotchas”)
Tenant broker handles searching, scheduling, and RFPs — your outsourced real estate department with curated options and timeline management.
Mitigating risk: spotting pitfalls in LOI and lease such as restoration clauses and holdover penalties.
Summary: Don’t rely on the landlord’s agent. A tenant broker is your advocate, provides better data, negotiates a complete package, and typically costs you nothing.

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