Office building with commercial space · Long Island City, Queens

45-18 Court Square

Long Island City, NY 11101

45-18 Court Square is a 6-floor office building with commercial space in Long Island City, Queens, built in 1920, with about 107,000 square feet of office space according to city records.

Also at 45-18 to 45-22 Court Square West and 45-17 to 45-35 Pearson Street.

Office space
107K SF
Floors
6
Year built
1920
Zoning
M1-5/R7-3

Office space next to its nearest neighbors

  1. One Court Square2 min walk1.3M SF
  2. 23-21 44th Drive3 min walk441K SF
  3. 24-01 44th Road4 min walk274K SF
  4. 45-18 Court SquareThis building107K SF

The 28th largest of the 48 office buildings we track in Long Island City. Compare it with 6 neighbors

No space at 45-18 Court Square 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. Nothing free right now? Get tenant alerts for Long Island City and hear the moment a tenant posts a requirement there. Manage or lease this building? Claim this page.

Get an alert

Email me when space at 45-18 Court Square is listed

No account needed. One email to confirm, then only when a matching space is posted. Stop any time in one click. Privacy

Compared with its neighbors

How 45-18 Court Square compares

Next to the 6 nearest large office buildings, all within a 5 minute walk, 45-18 Court Square ranks 5th of 7 by office floor area. It went up in 1920; the median neighbor dates from 1953. Its property tax is fully exempt on the city's assessment roll.

45-18 Court Square and the 6 nearest large office buildings: size, floors, year built, estimated property tax per square foot and last sale
BuildingOffice spaceFloorsBuiltTax / SFLast sale
45-18 Court SquareThis building107K SF61920ExemptJul 2007, $33M (2 lots)
One Court Square, 25-01 Jackson Avenue2 min walk1.3M SF491987$6.17Jul 2012, $481M
23-21 44th Drive3 min walk441K SF152006$1.30n/a
24-01 44th Road4 min walk274K SF162005$3.75n/a
47-16 Austell Place4 min walk50K SF41916$6.79Sep 2024, $11M
44-02 23rd Street5 min walk55K SF51919$3.73n/a
47-37 Austell Place5 min walk136K SF51916$10.13Nov 2015, $35M
The 28th largest of the 48 office buildings we track in Long Island City: see the full list

Sources: NYC Department of City Planning, PLUTO 26v2 for size, floors and year built; NYC Department of Finance 2026/27 roll for tax (taxable value times the class rate, before abatements, over the whole floor area); ACRIS for the last deed that moved the whole lot for a real price (a price for several lots is their combined price; condominiums sell by the unit and show n/a). Large means at least 35,000 SF of the building's main use. Walking times are straight-line estimates.

NYC tax lot records

Building facts

Other addresses
45-18 to 45-22 Court Square West; 45-17 to 45-35 Pearson Street
ZIP code
11101
Building type
Office building with commercial space (city class O5)
Total floor area
213,103 SF
Commercial floor area
213,103 SF
Office
106,552 SF
Height
6 floors
Year built
1920
Last major alteration
2020
Lot area
36,875 SF
Zoning district
M1-5/R7-3
Built FAR
5.78
Max commercial FAR
5
Tax lot (BBL)
4000840011

Nearest subway

  • Court Sq1 min walk · Accessible station · connects to Court Sq-23 St
  • 21 St6 min walk · Not accessible
  • Hunters Point Av7 min walk · Not accessible

Nearby large buildings

Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-16; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-16. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates. How we build these pages. Something wrong on this page? Tell us.

NYC Department of Finance records

Owner, property tax and assessed value

The Department of Finance lists 45-18 COURT SQUARE LLC as the owner of record. For tax year 2026/27 the city values 45-18 Court Square at $78 million and assesses it at $35.1 million. Exemptions on the roll cover the whole taxable value, which is common for government, nonprofit and payment-in-lieu-of-taxes properties.

Owner of record
45-18 COURT SQUARE LLC
Tax class
Class 4 (commercial and industrial)
City market value
$77,986,000
Land market value
$4,376,000
Assessed value
$35,093,700
Exemptions
$35,093,700
Estimated yearly tax
Fully exempt on the roll

City market value by tax year

  • 2022/23$40.5 million
  • 2023/24$40.6 million
  • 2024/25$42 million
  • 2025/26$43.2 million
  • 2026/27$78 million

Market value rose 92% from 2022/23 ($40.5 million) to 2026/27.

How Long Island City compares: property tax per SF across NYC neighborhoodsHow NYC commercial property tax works, and why some towers show $0

Manage or lease this building? Claim this page. Requests are reviewed by hand.

How to find who owns any NYC building

Source: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll; owner names as the roll records them, which cuts some long names short), pulled 2026-10-16. Exempt properties can still owe charges or payments in lieu of taxes that the roll does not show.

Own or manage 45-18 Court Square? List a space here free and we match it against every active requirement. Renting it out yourself? Read the landlord's checklist.

NYC property records (ACRIS)

Sales history

45-18 Court Square last sold in July 2007 in a $33 million sale that covered 2 tax lots, this one among them, according to the deed recorded with the city. 45-18 COURT SQUARE, LLC, AZ VENTURES I, LLC and others sold it to 45-18 LLC and 45-18 RIVERSIDE LLC.

Last sale (deed date)
July 25, 2007
Combined price
$33,000,000 for 2 tax lots
Seller
45-18 COURT SQUARE, LLC, AZ VENTURES I, LLC and others
Buyer
45-18 LLC and 45-18 RIVERSIDE LLC
Deed recorded
August 2, 2007
ACRIS document
2007072700300002
All 45 building sales in Long Island City since 2016

Source: NYC Department of Finance, ACRIS, Real Property Master, Legals and Parties, pulled 2026-10-16; prices as the deeds state them, names as recorded (companies and public bodies only). Shown are deeds that move the whole lot for a real price. Transfers between related companies for a nominal sum, sales of partial interests, land sales before the building went up and sales of the company that owns a building are left out; a price for several tax lots is the combined price, not this building's alone.

NYC Department of Buildings permits

Work permits and build-outs

In the 12 months to October 2026, the Department of Buildings issued first permits for 1 job at 45-18 Court Square. In the last two years, interior work was permitted on 2 floors (floors 5 and 6). The newest build-out, on floors 5 and 6, was first permitted in February 2025 (plumbing, sprinklers; filed cost estimate $228,000).

New jobs, last 12 months
1
Initial permits, last 12 months
1
Newest job first permitted
February 2026
Interior build-outs, last 24 months
2
Floors with interior work, last 24 months
5 and 6
Facade and sidewalk jobs, last 24 months
2

Recent build-outs

  • Floors 5 and 6February 2025Plumbing, Sprinklers; est. $228,000; signed off
  • Floor 6February 2025Construction, Mechanical, Plumbing, Sprinklers; 5 jobs; est. $1.7 million; signed off

New jobs by year

  • 202110
  • 20226
  • 202314
  • 20242
  • 20258
  • 2026 to date1

Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-24 (permits issued through 2026-10-22). A job counts once, when its first permit is issued; renewals are not new work. A build-out groups jobs on the same floors first permitted within 120 days of each other. Costs are the estimates filed with the jobs. Jobs filed before DOB NOW (in the older BIS system) are not counted. A permit is approval to do the work; it does not say who the work is for or whether it is finished.

No office space listed in Long Island City yet

Own or broker space at 45-18 Court Square? List it free: it shows on this page and is matched against every active requirement the day it goes up.

Before you sign

Plain-English guides to square footage, rent and lease terms in New York, and free calculators to run your own numbers.

All guides

Questions about 45-18 Court Square

How big is 45-18 Court Square?

45-18 Court Square has about 213,000 square feet of floor area in total, including 107,000 square feet of office, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.

When was 45-18 Court Square built?

City records list 1920 as the year built, with a major alteration recorded in 2020. The building is 6 floors tall.

What other addresses does 45-18 Court Square have?

City records list 45-18 to 45-22 Court Square West and 45-17 to 45-35 Pearson Street on the same tax lot (BBL 4000840011) as 45-18 Court Square. A space listed on Leasemark at any of these addresses shows up on this page.

What is the ZIP code of 45-18 Court Square?

45-18 Court Square is in ZIP code 11101, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 45-18 Court Square, Long Island City, NY 11101.

What is the zoning at 45-18 Court Square?

The lot is in the M1-5/R7-3 zoning district. PLUTO lists a built floor area ratio (FAR) of 5.78 and a maximum commercial FAR of 5 for this lot.

What subway station is closest to 45-18 Court Square?

The closest subway station to 45-18 Court Square is Court Sq (the 7, G, E and F trains, connected to Court Sq-23 St), about 350 feet away in a straight line, roughly 1 minute on foot. The MTA lists it as an accessible station. Also nearby: 21 St (the G train), 6 min walk; Hunters Point Av (the 7 train), 7 min walk. Walking times are straight-line estimates; the street route is longer.

Who owns 45-18 Court Square?

The NYC Department of Finance's 2026/27 assessment roll lists 45-18 COURT SQUARE LLC as the owner of record of 45-18 Court Square (BBL 4000840011). Big buildings are usually held through a company set up for that one property, so the name on the roll can differ from the landlord's brand or the managing agent. Deeds and mortgages for the lot are public in ACRIS, the city's property records system.

When was 45-18 Court Square last sold?

45-18 Court Square last sold in July 2007 in a $33 million sale that covered 2 tax lots, this one among them, according to the deed recorded with the city. 45-18 COURT SQUARE, LLC, AZ VENTURES I, LLC and others sold it to 45-18 LLC and 45-18 RIVERSIDE LLC. The deed is ACRIS document 2007072700300002 (BBL 4000840011) in the city's property records. A sale of the company that owns a building is not recorded as a deed, so it would not show there.

Is there construction at 45-18 Court Square?

In the 12 months to October 2026, the Department of Buildings issued first permits for 1 job at 45-18 Court Square. In the last two years, interior work was permitted on 2 floors (floors 5 and 6). The newest build-out, on floors 5 and 6, was first permitted in February 2025 (plumbing, sprinklers; filed cost estimate $228,000). These are the Department of Buildings' DOB NOW work permits for tax lot 4000840011. A permit is approval to do the work; it does not say who the work is for or whether it is finished.

What are the property taxes at 45-18 Court Square?

The Department of Finance's 2026/27 assessment roll lists exemptions covering the whole taxable value of 45-18 Court Square, so there is no property tax on the roll to estimate. That is common for government, nonprofit and payment-in-lieu-of-taxes (PILOT) properties. The city's property tax records for BBL 4000840011 show what is actually billed.

What is the assessed value of 45-18 Court Square?

For tax year 2026/27, the NYC Department of Finance puts the market value of 45-18 Court Square at $78 million ($4.38 million of it land) and its assessed value at $35.1 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 92% from 2022/23 ($40.5 million) to 2026/27.

Is there office space for lease at 45-18 Court Square?

No space at 45-18 Court Square 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.

2,723 buildings from city records

Look up another building

Size, owner of record and property tax, plus the last sale and energy grade where the city has them, for every large office, retail and industrial building we track. Type any address on the lot (like 350 Fifth Avenue), a building name, a street or a neighborhood.