Queens · Long Island City
Commercial buildings on 21st Street
10 large commercial buildings on 21st Street in Queens, from 21-15 21st Street to 51-02 to 51-12 21st Street, with about 1.1 million square feet of commercial space. In address order, with each building's size, age, last sale and nearest subway from the city's own records.
- Buildings
- 10
- Commercial space
- 1.1M SF
- Median year built
- 1922
- Tallest
- 47-40 21st Street, 10 floors
No space on 21st Street 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 21st Street, in address order
From 21-15 21st Street to 51-02 to 51-12 21st Street. 5 corner or through-block buildings have a main address on another street and are listed at their 21st Street address.
- 40-01 to 40-05 21st StreetMain address: 21-02 40th Avenue
- 43-01 to 43-33 21st StreetMain address: 21-16 43rd Avenue
- 49-01 21st StreetMain address: 21-02 49th Avenue
- 51-01 to 51-17 21st StreetMain address: 21-07 Borden Avenue
- 51-02 to 51-12 21st StreetMain address: 11-58 Borden Avenue
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 50,000 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 21st Street
Largest by commercial space
Buildings with their main address on 21st Street.
By year built
NYC property records (ACRIS)
Building sales on 21st Street
3 sales of the large buildings on 21st Street have been recorded since 2016, $137.8 million in all. Median price: about $498 a square foot of floor area across 3 one-building sales.
Source: NYC Department of Finance, ACRIS, Real Property Master, Legals and Parties, pulled 2026-09-29; prices as the deeds state them, buyers named only when they are companies. Condo buildings (sold unit by unit), partial interests and sales of the company that owns a building are left out.
NYC Department of Finance
Property tax on 21st Street
Estimated yearly tax per square foot of floor area across the 10 taxed large buildings on 21st Street, from the 2026/27 assessment roll: taxable value after exemptions times the Class 4 rate, before abatements.
Largest estimated bills
On 21st Street
- Median: $5.08 a square foot a year; middle half $3.06 to $8.45.
- Queens median across every tracked building: $5.67 a square foot.
- None of the buildings is fully exempt.
MTA station data
Subway along 21st Street
The closest station to each building on the list, in the order the street reaches them. Walks are straight-line estimates.
- 21 St-Queensbridge
- Court Sq-23 St
- 21 St
- Hunters Point Av
Source: Metropolitan Transportation Authority, MTA Subway Stations, pulled 2026-09-26.
Questions about 21st Street
How many commercial buildings are on 21st Street?
Leasemark tracks 10 large commercial buildings on 21st Street in Queens: 5 with their main address on 21st Street and 5 corner or through-block buildings with a 21st Street address as well. Together they hold about 1.1 million square feet of commercial space, from 21-15 21st Street to 51-02 to 51-12 21st Street in Long Island City. The list counts buildings with at least 50,000 square feet of commercial space in the neighborhoods Leasemark covers.
What is the largest commercial building on 21st Street?
The largest is 47-40 21st Street, with 179,575 square feet of commercial space on 10 floors, built in 1930. Next come 21-15 21st Street (163K SF) and 39-25 21st Street (87K SF).
How old are the buildings on 21st Street?
The median commercial building on 21st Street was built in 1922. The oldest with its main address here is 40-29 21st Street (1922) and the newest 21-15 21st Street (2013). 7 date from 1900 to 1929, 2 date from 1930 to 1959 and 1 went up in 1990 or later.
When did a building on 21st Street last sell?
The newest sale on record is 21-02 49th Avenue, which sold in March 2026 for $28 million to 2100 49 AVE LLC, per the deed recorded with the city. 3 sales, $137.8 million in all, have been recorded of the large buildings Leasemark tracks on 21st Street since 2016. The median price was about $498 a square foot of floor area across 3 one-building sales.
How much property tax do buildings on 21st Street pay?
The median estimated tax across the 10 taxed large buildings on 21st Street is about $5.08 a square foot of floor area a year on the Department of Finance's 2026/27 roll (middle half $3.06 to $8.45), against $5.67 across Queens. The largest estimated bill, about $1.78 million a year, is for 47-40 21st Street. Estimates are before abatements, and tenants usually pay their share through the lease.
What subway lines are near 21st Street?
The closest stations to the large buildings on 21st Street, in the order the street reaches them, are 21 St-Queensbridge (M), Court Sq-23 St (E F 7 G), 21 St (G) and Hunters Point Av (7). Together they serve the 7, E, F, G and M lines, per MTA station data.
Is there commercial space for lease on 21st Street?
No space on 21st Street 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.