Manhattan · Murray Hill and Midtown
Office buildings on First Avenue
6 large office buildings on First Avenue in Manhattan, from 673 First Avenue to 860-874 First Avenue, with about 1.5 million square feet of office space, through Murray Hill and Midtown. In address order, with each building's size, age, last sale and nearest subway from the city's own records.
- Buildings
- 6
- Office space
- 1.5M SF
- Median year built
- 1967
- Tallest
- 787 First Avenue, 39 floors
No space on First 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
Every large building on First Avenue, in address order
From 673 First Avenue to 860-874 First Avenue. 1 corner or through-block building has a main address on another street and is listed at its First Avenue address.
- 860-874 First AvenueMain address: 866 United Nations Plaza
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-09-27, with other addresses on each lot from the city's Property Address Directory and sales from ACRIS. Buildings with at least 100,000 square feet of commercial space in the neighborhoods Leasemark covers; floor areas are the city's estimates for whole buildings, not available space.
Largest and oldest on First Avenue
Largest by office space
Buildings with their main address on First Avenue.
By year built
MTA station data
Subway along First Avenue
The closest station to each building on the list, in the order the street reaches them. Walks are straight-line estimates.
- Grand Central-42 St
- Lexington Av/53 St
Source: Metropolitan Transportation Authority, MTA Subway Stations, pulled 2026-09-26.
Questions about First Avenue
How many office buildings are on First Avenue?
Leasemark tracks 6 large office buildings on First Avenue in Manhattan: 5 with their main address on First Avenue and 1 corner or through-block building with a First Avenue address as well. Together they hold about 1.5 million square feet of office space, from 673 First Avenue to 860-874 First Avenue, through Murray Hill and Midtown. The list counts buildings with at least 100,000 square feet of commercial space in the neighborhoods Leasemark covers.
What is the largest office building on First Avenue?
The largest is 787 First Avenue, with 372,861 square feet of office space on 39 floors, built in 1977. Next come 673 First Avenue (330K SF) and 799 First Avenue (325K SF).
How old are the buildings on First Avenue?
The median office building on First Avenue was built in 1967. The oldest with its main address here is 673 First Avenue (1928) and the newest 821 First Avenue (2018). 1 dates from 1900 to 1929, 3 date from 1960 to 1989 and 2 went up in 1990 or later.
What subway lines are near First Avenue?
The closest stations to the large buildings on First Avenue, in the order the street reaches them, are Grand Central-42 St (4 5 6 7 S) and Lexington Av/53 St (E F 6). Together they serve the 4, 5, 6, 7, E, F and S lines, per MTA station data.
Is there office space for lease on First Avenue?
No space on First Avenue is listed on Leasemark right now. Owners and brokers can list space here for free and it is matched against every active requirement the day it goes up; tenants can post a requirement to be matched when space opens up.