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 · Midtown South, Manhattan
345 Seventh Avenue
345 Seventh Avenue is a 25-floor office building in Midtown South, Manhattan, built in 1928, with about 183,000 square feet of office space according to city records.
- Office space
- 183K SF
- Floors
- 25
- Year built
- 1928
- Listed on Leasemark
- 0
No space at 345 Seventh 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 (city class O4)
- Total floor area
- 190,325 SF
- Commercial floor area
- 190,325 SF
- Office
- 183,366 SF
- Retail
- 6,959 SF
- Height
- 25 floors
- Year built
- 1928
- Lot area
- 7,714 SF
- Zoning district
- M1-9A/R12
- Built FAR
- 24.67
- Max commercial FAR
- 15
- Tax lot (BBL)
- 1008050003
- 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.
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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 345 Seventh Avenue
How big is 345 Seventh Avenue?
345 Seventh Avenue has about 190,000 square feet of floor area in total, including 183,000 square feet of office and 7,000 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 345 Seventh Avenue built?
City records list 1928 as the year built. The building is 25 floors tall.
What is the zoning at 345 Seventh Avenue?
The lot is in the M1-9A/R12 zoning district. PLUTO lists a built floor area ratio (FAR) of 24.67 and a maximum commercial FAR of 15 for this lot.
Is there office space for lease at 345 Seventh Avenue?
No space at 345 Seventh 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