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323 Kosciuszko Street, Brooklyn, NY 11221 Property Information

323 Kosciuszko Street, Brooklyn, NY 11221 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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323 Kosciuszko Street, Brooklyn, NY 11221 1
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Address

Primary address 323 Kosciuszko Street
Neighborhood Bedford-Stuyvesant
Zip code 11221
Borough Brooklyn
Block & lot 01782-0067

Sales & Tax Overview for 323 Kosciuszko Street, Brooklyn

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 $29,758

Lot & Building Information for 323 Kosciuszko Street, Brooklyn

Lot sqft 2,500
Lot dimensions 25 ft x 100 ft
Building class Factory - Light Manufacturing (F5)
Building sqft 7,500
Building dimensions 25 ft x 100 ft
Buildings on lot 1
Stories 3
Year built 1931
Construction type
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Zoning & Use for 323 Kosciuszko Street, Brooklyn

Zoning
Qualified opportunity zone
Commercial units 1

Area Overview

Walk Score
Transit Score
Bike Score


School district 16
Community district 3
Closest police station 0.22 Miles
Closest fire station 0.21 Miles

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

Other Property Data for 323 Kosciuszko Street, Brooklyn

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 323 Kosciuszko Street, Brooklyn, NY 11221, 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 323 Kosciuszko Street, Brooklyn, NY 11221, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 323 Kosciuszko Street, Brooklyn

How many square feet does 323 Kosciuszko Street, Brooklyn, NY 11221 have?

This Factory - Light Manufacturing (F5) located at 323 Kosciuszko Street, Brooklyn, NY 11221 has a total of 7,500 square feet.

What is the year built & the current market value of 323 Kosciuszko Street, Brooklyn, NY 11221?

323 Kosciuszko Street, Brooklyn, NY 11221 was built in 1931 and has a current tax assessor's market value of $573,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 323 Kosciuszko Street, Brooklyn

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Property owner name for 323 Kosciuszko Street, Brooklyn, NY 11221
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Building contacts for 323 Kosciuszko Street, Brooklyn, NY 11221
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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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 
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Past Sales & Property History for 323 Kosciuszko Street, Brooklyn

Create a free account to view the complete sales history for 323 Kosciuszko Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 323 Kosciuszko Street, Brooklyn

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
02/24/1984 - R Deed
(3320001004532)
01/26/1984 - R Deed
(3860000999586)
08/05/1969 - R Deed
(36930035200999)
08/05/1969 - R Deed
(36930035200997)
           
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R: Recorded date
D: Document date

Property Taxes for 323 Kosciuszko Street, Brooklyn

Access detailed property tax data for 323 Kosciuszko Street, Brooklyn, NY 11221. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $27,972
Estimated property tax: $29,758
Tax assessor's market value: $573,000
Assessed value: $257,850

Assessment History for 323 Kosciuszko Street, Brooklyn

Here's the assessment & property tax history for 323 Kosciuszko Street, Brooklyn, 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 $573,000 $257,850 $257,850 10.848% $27,972 $27,972 +5.40%
2024/25 $548,000 $246,600 $246,600 10.762% $26,539 $26,539 -10.11%
2023/24 $661,000 $297,450 $278,730 10.592% $29,523 $29,523 +1.96%
2022/23 $637,000 $286,650 $271,980 10.646% $28,955 $28,955 +15.95%
2021/22 $516,000 $232,200 $232,200 10.755% $24,973 $24,973 -11.02%

Permits for 323 Kosciuszko Street, Brooklyn

The complete history of permits filed for 323 Kosciuszko Street, Brooklyn, 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.

No recorded permits for this property.

Brooklyn Commercial Market Stats

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

Median Price/Sqft Q1/2026
$426
-10.8% YoY
Median Price/Sqft Q4/2025
$493
11.7% YoY
Median Price/Sqft 2025
$492
6.6% YoY

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

Risk

FEMA flood zone(s): X (See more on map)

Transportation

Distance to Subway
Closest station Marcy Ave & Myrtle Ave at NE Corner
Station lines G
Distance (miles) 0.441
View subway map
Bus Routes
Name Throop Av/DE Kalb Av
Line B43
Distance (miles) 0.064

Neighbors for 323 Kosciuszko Street, Brooklyn

Here are the neighbors for 323 Kosciuszko Street, Brooklyn, NY 11221.

Address Square feet Purchase date Purchase price
995 Bedford Ave, Brooklyn 2,500 01/02/1991
16 Kosciuszko St, Brooklyn 2,763 01/20/1999
1001 Bedford Ave, Brooklyn
331 Kosciuszko St, Brooklyn 7,246 03/18/2015 $4,300,000
355 Kosciuszko St, Brooklyn 2,700 01/27/2025
1005 Bedford Ave, Brooklyn 35,532 08/15/2017 $4,300,000
359 Kosciuszko St, Brooklyn 2,700 03/22/2002
319 Kosciuszko St, Brooklyn 5,000 02/28/1972
993 Bedford Ave, Brooklyn 3,680 02/25/2015 $1,000,000
347 Kosciuszko St, Brooklyn 1,980 10/17/2012 $540,000
357 Kosciuszko St, Brooklyn 2,700 04/20/2020 $995,000
18 Kosciuszko St, Brooklyn 2,832 09/14/2011 $280,000
333 Kosciuszko St, Brooklyn 38,740 11/09/2001
349 Kosciuszko St, Brooklyn 1,980 03/21/2013 $590,000
997 Bedford Ave, Brooklyn 1,800 01/30/2024
14 Kosciuszko St, Brooklyn 2,805 10/12/2018
325 Kosciuszko St, Brooklyn 3,000 09/25/2007
361 Kosciuszko St, Brooklyn 2,700 03/07/2007
12 Kosciuszko St, Brooklyn 2,805 06/13/2006 $742,000
351 Kosciuszko St, Brooklyn 1,980 01/23/2020 $1,020,000
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