Office space in Union Square.
At a glance
Building stock
Prewar loft and office towers — high ceilings, large windows, efficient floorplates — repositioned for modern tenants, with select new development. Prime space is competitive.
Rent posture
A strong Midtown South market: prime loft space leads the local range, with the broader district near the Midtown South average.
Office inventory
7,888,737 SF of office space across 95 office buildings — 50 of them 50,000 SF or larger, averaging a 1907 vintage.
Under 50,000 SF
45 buildings, 1,233,053 SF total, averaging a 1900 vintage.
50,000 to 150,000 SF
32 buildings, 2,715,289 SF total, averaging a 1906 vintage.
150,000 to 500,000 SF
18 buildings, 3,940,395 SF total, averaging a 1910 vintage.
Source: NYC Department of City Planning, MapPLUTO (fetched July 2026) — counting only true office buildings: 10,000 SF of office or more, office above grade (not a ground-floor office under apartments), purpose-built or converted loft/office-condo stock. Spatially joined to DLS’s 31 mapped submarkets.
Where rents sit
Asking rent, $/SF · Average: median of five published market reports, second quarter 2026. They range from $74 to $99. Class A from the two reports that publish it. Outliers exist in every submarket. In Union Square, office space can be found in the $40s per square foot, and prime space above $100.
Questions
What does office space cost in Union Square?
In the second quarter of 2026, office space in Union Square averaged $89 per square foot a year in asking rent, the median of five published market reports. What a tenant signs depends on the building, the floor, the term and the concessions.
What is the office market like in Union Square?
Union Square is a leading Midtown South technology and creative office market — prewar lofts around the park where 14th Street meets Broadway, at the heart of Silicon Alley. DLS Commercial Real Estate represents tenants here, negotiating loft space, transit, and terms in a competitive market.

