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
Office building with commercial space · Midtown South, Manhattan
366 Fifth Avenue
366 Fifth Avenue is a 12-floor office building with commercial space in Midtown South, Manhattan, built in 1908, with about 135,000 square feet of office space according to city records.
- Office space
- 135K SF
- Floors
- 12
- Year built
- 1908
- Listed on Leasemark
- 0
No space at 366 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
- Office building with commercial space (city class O6)
- Total floor area
- 147,595 SF
- Commercial floor area
- 147,595 SF
- Office
- 135,368 SF
- Retail
- 12,227 SF
- Height
- 12 floors
- Year built
- 1908
- Lot area
- 12,862 SF
- Zoning district
- C5-3
- Built FAR
- 11.48
- Max commercial FAR
- 15
- Tax lot (BBL)
- 1008360043
- ZIP code
- 10001
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 Midtown South
Looking for office space in Midtown South
Tenants and buyers with active requirements here. List a space in 366 Fifth Avenue and we match you automatically.
Want · Office
Startup seeking furnished sublease
Posted by the tenant · Software
- Where
- Flatiron, Midtown South +1
- Size
- 6,000 to 11,000 SF
- Budget
- to $60/SF
- Move in
- Nov 2026
Furnished
Owners: got a fit?I have a fit
Questions about 366 Fifth Avenue
How big is 366 Fifth Avenue?
366 Fifth Avenue has about 148,000 square feet of floor area in total, including 135,000 square feet of office and 12,000 square feet of retail, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 366 Fifth Avenue built?
City records list 1908 as the year built. The building is 12 floors tall.
What is the zoning at 366 Fifth Avenue?
The lot is in the C5-3 zoning district. PLUTO lists a built floor area ratio (FAR) of 11.48 and a maximum commercial FAR of 15 for this lot.
Is there office space for lease at 366 Fifth Avenue?
No space at 366 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.
Midtown South
Getting there
- N R W at 28 St
- 6 at 28 St
- F M at 23 St