Office space for sale in Union Square

Union Square is one of the best-connected transit hubs in Manhattan, and its retail corridors on 14th Street and Broadway attract national brands. Office inventory is mostly boutique loft space favored by education, tech, and nonprofit tenants.

Office stock
7.5M SF
Office properties
132
Largest office
114 Fifth Avenue
Transit
4 5 6 L N Q R W at 14 St-Union Sq

Building figures are existing stock from NYC PLUTO 26v2 tax lot records, not space on the market. More below.

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NYC Department of Finance filings

Income and expenses per square foot: office buildings in Manhattan

In 2024, 1,506 Manhattan office properties filed income statements with the city. Their median gross income was $52.08 per square foot, and the middle half collected between $38.22 and $74.58. Their median operating expense was $19.66 per square foot. The typical property's income was up 1% on 2023. The city publishes these figures by borough, not by neighborhood, so they cover Manhattan as a whole.

Gross income per square foot, 2024

  • Manhattan$52.08Middle half $38.22 to $74.58 · 1,506 filings · this page
  • Brooklyn$31.54Middle half $21.69 to $44.76 · 720 filings
  • Queens$31.30Middle half $21.15 to $42.74 · 669 filings
  • Bronx$31.39Middle half $21.56 to $43.88 · 286 filings
  • Staten Island$26.23Middle half $17.77 to $36.50 · 233 filings

Bar: the middle half of properties. Tick: the median.

Manhattan office buildings

Median gross income
$52.08/SF
Middle half
$38.22 to $74.58
Median operating expense
$19.66/SF
Typical change on 2023
+1%
Citywide median
$39.05/SF
Filings
1,506

Source: NYC Department of Finance, FY 2027 RPIE 2024 Income and Expense Distributions (FY 2027 assessment roll, published January 2026), page 8. Owners of income-producing properties file a Real Property Income and Expense statement each year; gross income is everything a property collected in 2024 per square foot, as filed, with outlier and partial-year filers left out. It includes vacant space, concessions and older leases, so it is not an asking rent.

NYC tax lot records

Office buildings in Union Square

What already stands here, from the city's own property data. Useful for sizing a search before a single space is listed.

Office space
7.5M SF
Properties with office space
132
All commercial space
12.3M SF
Built before 1940
80%

Largest office buildings

  1. 18 floors · built 1909
  2. 13 floors · built 1900
  3. 12 floors · built 1909
  4. 20 floors · built 1910
  5. 16 floors · built 1906
All 57 large commercial buildings in Union Square

Age, height and zoning

  • Median year built: 1909.
  • Median height: 7 floors.
  • Most common zoning districts: C6-1 (76), C6-4 (43), C6-2A (39).
  • Historic districts: Ladies' Mile Historic District (78 lots), Gramercy Park Historic District (4 lots), Greenwich Village Historic District (3 lots).
  • 28 lots are designated city landmarks.

Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-16. Counts cover tax lots with commercial floor area within about 0.3 mi of Union Square's commercial core, and each lot counts toward one neighborhood only, so boundaries are approximate. Building figures are the city's floor-area estimates, not available space.

MTA station data

Subway stations in Union Square

Every station within about 0.5 mi of Union Square's commercial core, closest first. Stations joined by a free transfer count once.

Stations
8
Subway lines
13
Fully accessible
3 of 8
Closest
14 St-Union Sq, 1 min walk

The 8 stations

  • 14 St-Union Sq1 min walk · Accessible station
  • 14 St6 min walk · Accessible station · connects to 6 Av
  • 3 Av7 min walk · Not accessible
  • 23 St-Baruch College7 min walk · Accessible station
  • 23 St8 min walk · Not accessible
  • 8 St-NYU8 min walk · Not accessible
  • Astor Pl8 min walk · Not accessible
  • 23 St10 min walk · Not accessible

Lines

The 1, 2, 3, 4, 5, 6, F, L, M, N, Q, R and W trains stop within about 0.5 mi of Union Square's core.

Step-free access

  • 14 St-Union Sq (4 5 6 L N Q R W) is fully accessible.
  • 14 St (1 2 3 F M) is fully accessible.
  • 23 St-Baruch College (6) is fully accessible.

Source: Metropolitan Transportation Authority, MTA Subway Stations, pulled 2026-10-16. Walking times are straight-line estimates from the nearest point of Union Square's commercial core (the same area as the building counts), so the street route is longer. Accessibility is the MTA's rating for the named station. PATH, LIRR, Metro-North and ferries are not in this data.

NYC property records (ACRIS)

Recent office building sales in Union Square

10 sales of the large office buildings Leasemark tracks in Union Square have been recorded since 2016, $742.4 million in all. The newest 6 are below.

Newest sales

  1. March 2026 · $651 a SF · to 88U OWNER LLC
  2. February 2025 · $374 a SF · to 880 BROADWAY TENANT, LLC
  3. 797 Broadway$255 million
    November 2024 · $1,709 a SF · to WEISSHORN RE 799 BROADWAY LLC
  4. August 2024 · $403 a SF · to EAST 18TH STREET LLC
  5. 88 University Place$31.1 million
    May 2022 · $440 a SF
  6. 836 Broadway$39.3 million
    December 2021 · $691 a SF · to 836 BROADWAY PARTNERS LLC

Since 2016

  • Largest: 797 Broadway, $255 million in November 2024.
  • Median price: about $651 a square foot of floor area, across 9 one-building sales.
  • Newest deed on record: March 2026. The city's open data runs about a month behind.
All 10 building sales in Union Square

Source: NYC Department of Finance, ACRIS, Real Property Master, Legals and Parties, pulled 2026-10-16; prices as the deeds state them, buyers named only when they are companies. These are sales of the large buildings Leasemark tracks, not every sale here: condo buildings (sold unit by unit), partial interests and sales of the company that owns a building are left out.

Before you sign

Plain-English guides to square footage, rent and lease terms in New York, and free calculators to run your own numbers.

All guides

Questions about office space in Union Square

Is there office space for sale in Union Square right now?

No office space for sale in Union Square is listed on Leasemark right now. Post what you want to buy and Leasemark matches you the day a space that fits is listed; your contact details stay private until you accept an intro. Owners and brokers can list a space here for free.

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How much does office space cost in Union Square?

Leasemark has no asking prices posted here yet, so here are the city's own numbers. Owners of office buildings in Manhattan reported a median $52.08 of gross income and $19.66 of operating expense per square foot for 2024 (middle half of income: $38.22 to $74.58), according to the income and expense statements owners file with the NYC Department of Finance (FY 2027 distributions, 1,506 filings). The city publishes these figures by borough, so this is Manhattan as a whole, not Union Square alone. That is what buildings actually collected, with vacant space, concessions and leases signed years ago in the mix, so it is a baseline rather than a quote: a specific space's price depends on the building's class, floor, condition and the length of the lease.

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How do I find office space in Union Square that is not publicly listed?

Post a requirement on Leasemark. Owners and listing brokers see what you need (without your contact details) and can respond with spaces, including ones that are not on the market yet. You choose who gets an intro.

How much office space is there in Union Square?

New York City's PLUTO tax lot data (26v2) records about 7.5 million square feet of office floor area across 132 properties in the part of Union Square Leasemark covers. The largest by that measure is 114 Fifth Avenue, at about 329,000 square feet. That is the existing building stock, not space currently for sale.

What subway lines serve Union Square?

Eight subway stations sit within about 0.5 mi of Union Square's commercial core, served by the 1, 2, 3, 4, 5, 6, F, L, M, N, Q, R and W trains. The closest is 14 St-Union Sq (4 5 6 L N Q R W), roughly 1 minute on foot; then 14 St (1 2 3 F M L), 3 Av (L), 23 St-Baruch College (6), 23 St (R W), 8 St-NYU (R W), Astor Pl (6) and 1 more. Walking times are straight-line estimates from MTA station data.

Is it free to post on Leasemark?

Yes. Posting a space or a requirement is free. Contact details are only shared when both sides accept an intro.