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 · Flatiron, Manhattan
351 Park Avenue South
351 Park Avenue South is a 12-floor office building with commercial space in Flatiron, Manhattan, built in 1913, with about 217,000 square feet of office space according to city records.
- Office space
- 217K SF
- Floors
- 12
- Year built
- 1913
- Listed on Leasemark
- 0
No space at 351 Park Avenue South 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
- 244,157 SF
- Commercial floor area
- 244,157 SF
- Office
- 217,377 SF
- Retail
- 17,015 SF
- Industrial and storage
- 9,765 SF
- Height
- 12 floors
- Year built
- 1913
- Last major alteration
- 1988
- Lot area
- 20,737 SF
- Zoning district
- C6-4A
- Built FAR
- 11.77
- Max commercial FAR
- 10
- Tax lot (BBL)
- 1008810001
- ZIP code
- 10010
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 Flatiron
Looking for office space in Flatiron
Tenants and buyers with active requirements here. List a space in 351 Park Avenue South 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 351 Park Avenue South
How big is 351 Park Avenue South?
351 Park Avenue South has about 244,000 square feet of floor area in total, including 217,000 square feet of office, 17,000 square feet of retail and 10,000 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 351 Park Avenue South built?
City records list 1913 as the year built, with a major alteration recorded in 1988. The building is 12 floors tall.
What is the zoning at 351 Park Avenue South?
The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 11.77 and a maximum commercial FAR of 10 for this lot.
Is there office space for lease at 351 Park Avenue South?
No space at 351 Park Avenue South 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.
Flatiron
Getting there
- N R W at 23 St
- 4 5 6 L N Q R W at 14 St-Union Sq
- F M at 23 St