New York City  »  11101  »  51st Ave  »  2101 51st Ave

21-01 51st Avenue, Long Island City, NY 11101 Property Information

21-01 51st Avenue, Long Island City, NY 11101 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

21-01 51st Avenue, Long Island City, NY 11101 1
static Mapbox map

Address

Primary address 21-01 51st Avenue
Neighborhood Sunnyside
Zip code 11101
Borough Queens
Block & lot 00070-0001

Sales & Tax Overview for 21-01 51st Avenue, Long Island City

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Tax class
Estimated property tax $341,467

Lot & Building Information for 21-01 51st Avenue, Long Island City

Lot sq. ft. 18,766
Lot dimensions 200 ft x 90 ft
Property type Office with Commercial - 1 to 6 Stories (O5)
Building sqft 45,977
Building dimensions 100 ft x 200 ft
Buildings on lot 1
Stories 3
Year built 1913
Year last altered 2019
Construction type
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning & Use for 21-01 51st Avenue, Long Island City

Zoning
Qualified opportunity zone
Commercial units 3
Office sqft
Conversion feasibility index

Area Overview

Walk Score
Transit Score
Bike Score


School district 30
Community district 2
Closest police station 0.99 Miles
Closest fire station 0.27 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 21-01 51st Avenue, Long Island City

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for 21-01 51st Avenue, Long Island City, NY 11101, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for 21-01 51st Avenue, Long Island City, NY 11101, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 21-01 51st Avenue, Long Island City

How many square feet does 21-01 51st Avenue, Long Island City, NY 11101 have?

This Office with Commercial - 1 to 6 Stories (O5) located at 21-01 51st Avenue, Long Island City, NY 11101 has a total of 45,977 square feet.

What is the year built & the current market value of 21-01 51st Avenue, Long Island City, NY 11101?

21-01 51st Avenue, Long Island City, NY 11101 was built in 1913 and has a current tax assessor's market value of $12,100,000.

How many commercial spaces does this building have?

This building has 3 commercial spaces available for lease.

Ownership Information for 21-01 51st Avenue, Long Island City

View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.

Property owner name for 21-01 51st Avenue, Long Island City, NY 11101
Find out who owns 21-01 51st Avenue, Long Island City, NY 11101.
Sign Up
Building contacts for 21-01 51st Avenue, Long Island City, NY 11101
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Dec 11, 2025 How to Build Property Owner Lists: Steps, Pro Tips & What to Avoid
In this guide, we’ll walk you step by step through how to build property owner lists inside the PropertyShark platform, how to customize them for your goals and how to avoid common mistakes.
Laura Pop-Badiu, Sep 10, 2025 How to Find Comps for Commercial Real Estate: A Step-by-Step GuideĀ 
Explore the key features that professionals should look for when investing in a data provider for commercial real estate comps, follow our step-by-step guide on how to leverage PropertyShark to find comparables, and discover the most frequently asked questions on the topic.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 21-01 51st Avenue, Long Island City

Create a free account to view the complete sales history for 21-01 51st Avenue, Long Island City, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 21-01 51st Avenue, Long Island City

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
03/29/2018 - D
04/05/2018 - R
Memorandum of Lease
(2018040500627001)
03/29/2001 - R Satisfaction of Mortgage
(4630007607363)
07/13/2000 - R Maps
(4500007248950)
09/29/1999 - R Declaration
(4840006842484)
09/29/1999 - R Declaration
(4820006842482)
10/26/1993 - R Assignment, Mortgage
(4740003001474)
10/26/1993 - R Agreement
(4750003001475)
06/08/1987 - R Deed
(4070002333807)
02/13/1987 - R Satisfaction of Mortgage
(4520002290352)
10/29/1982 - R Mortgage
(4960001911496)
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 21-01 51st Avenue, Long Island City

Access detailed property tax data for 21-01 51st Avenue, Long Island City, NY 11101. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $314,982
Estimated property tax: $341,467
Tax assessor's market value: $12,100,000
Assessed value: $5,445,000

Assessment History for 21-01 51st Avenue, Long Island City

Here's the assessment & property tax history for 21-01 51st Avenue, Long Island City, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessed value Taxable Tax rate % Base tax Property tax Year over year change
2025/26 $12,100,000 $5,445,000 $5,250,701 10.848% $569,596 $314,982 -1.88%
2024/25 $11,886,000 $5,348,700 $5,348,700 10.762% $575,627 $321,013 +7.91%
2023/24 $11,583,000 $5,212,350 $5,212,350 10.592% $552,092 $297,478 -37.39%
2022/23 $10,403,107 $4,681,398 $4,462,950 10.646% $475,126 $475,126 +44.65%
2021/22 $6,787,000 $3,054,150 $3,054,150 10.755% $328,474 $328,474 +15.71%

Permits for 21-01 51st Avenue, Long Island City

The complete history of permits filed for 21-01 51st Avenue, Long Island City, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Filing date Job type Job status Job description Initial cost
08/19/2025 Alteration
01/21/2025 Alteration
08/02/2023 Alteration CO
04/28/2023 Alteration
04/28/2023 Alteration
03/29/2023 Alteration
03/28/2023 Alteration CO
03/16/2023 Alteration CO
03/16/2023 Alteration CO
03/10/2023 Alteration CO
Unlock the complete permit history for 21-01 51st Avenue, Long Island City with a free account.
Sign up

Queens Commercial Market Stats

Access a detailed real estate market overview of Queens so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Queens and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$426
-1.6% YoY
Median Price/Sqft Q4/2025
$457
11.4% YoY
Median Price/Sqft 2025
$445
4.3% YoY

Check out recently sold homes in Queens and see how their prices compare.

Risk

FEMA flood zone(s): AE (See more on map)
Hurricane evacuation zone: 2 (See more on map)

Transportation

Distance to Subway
Closest station 21st St & 49th Ave at NE Corner
Station lines 7
Distance (miles) 0.091
View subway map
Bus Routes
Name 49 Av/21 St
Distance (miles) 0.08

Neighbors for 21-01 51st Avenue, Long Island City

Here are the neighbors for 21-01 51st Avenue, Long Island City, NY 11101.

Address Square feet Purchase date Purchase price
21-21 51st Ave, Long Island City 04/14/2003 $525,000
11-32 49th Ave, Long Island City 17,000
21-17 Jackson Ave, Long Island City 150 03/22/2016 $2,184,025
50-22 Midtown Tun Plz, Long Island City 4,000 02/15/1990
22-22 Jackson Ave, Long Island City 167,943 11/10/2021 $85,000,000
22-25 Jackson Ave, Long Island City 1,480
53-01 Rear 11th St, Long Island City 90,000 06/21/1972
21-00 49th Ave, Long Island City 129,087 03/09/2026 $28,000,000
21-01 49th Ave, Long Island City 3,400 08/03/2015
21-31 46th Ave, Long Island City 4,800 06/24/2010 $1,400,000
53-01 11th St, Long Island City 08/28/2024
52-15 11th St, Long Island City
25-40 Borden Ave, Long Island City
11-23 50th Ave, Long Island City 3,100 12/09/1986
46-30 21st St, Long Island City 03/28/1966
21-33 Borden Ave, Long Island City 22,500 05/09/2006 $6,000,000
47-29 11th St, Long Island City
21-27 Borden Ave, Long Island City 24,000 09/13/1994
24-00 Newtown Crk, Long Island City 42,360
Not sure if we cover all the data-points you need? View sample full report View sample full report