Want · Office
Series B fintech needs 8,000 to 12,000 SF
Posted by the tenant · Fintech
- Where
- Midtown South, Flatiron +1
- Size
- 8,000 to 12,000 SF
- Budget
- to $85/SF
- Move in
- Jan 2027
Near subwayHigh ceilings
Owners: got a fit?I have a fit
Commercial condominium · Union Square, Manhattan
55 Fifth Avenue
55 Fifth Avenue is a 19-floor commercial condominium in Union Square, Manhattan, built in 1912, with about 252,000 square feet of office space according to city records.
- Office space
- 252K SF
- Floors
- 19
- Year built
- 1912
- Listed on Leasemark
- 0
No space at 55 Fifth Avenue is listed on Leasemark yet. Own or broker space here? List it free and it is matched against every active requirement the day it goes up, or import a spreadsheet of up to 50 spaces at once.
NYC tax lot records
Building facts
- Building type
- Commercial condominium (city class RC)
- Total floor area
- 262,814 SF
- Commercial floor area
- 262,814 SF
- Office
- 252,111 SF
- Retail
- 6,155 SF
- Industrial and storage
- 4,548 SF
- Height
- 19 floors
- Year built
- 1912
- Lot area
- 18,325 SF
- Zoning district
- C6-4
- Built FAR
- 14.34
- Max commercial FAR
- 10
- Tax lot (BBL)
- 1005707501
- ZIP code
- 10003
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-09-26. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates.
Office space nearby in Union Square
Looking for office space in Union Square
Tenants and buyers with active requirements here. List a space in 55 Fifth Avenue and we match you automatically.
Questions about 55 Fifth Avenue
How big is 55 Fifth Avenue?
55 Fifth Avenue has about 263,000 square feet of floor area in total, including 252,000 square feet of office, 6,000 square feet of retail and 5,000 square feet of industrial and storage space, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 55 Fifth Avenue built?
City records list 1912 as the year built. The building is 19 floors tall.
What is the zoning at 55 Fifth Avenue?
The lot is in the C6-4 zoning district. PLUTO lists a built floor area ratio (FAR) of 14.34 and a maximum commercial FAR of 10 for this lot.
Is there office space for lease at 55 Fifth Avenue?
No space at 55 Fifth Avenue is listed on Leasemark right now. Owners and brokers can list space here for free, and tenants can post a requirement to be matched when space opens up.
Union Square
Getting there
- 4 5 6 L N Q R W at 14 St-Union Sq