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643 Flatbush Avenue, Brooklyn, NY Property Information

643 Flatbush Avenue, Brooklyn, NY Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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643 Flatbush Avenue, Brooklyn, NY 1
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Address

Primary address 643 Flatbush Avenue
Neighborhood Prospect - Lefferts Gardens
Zip code 11225
Borough Brooklyn
Block & lot 05042-0007

Sales & Tax Overview for 643 Flatbush Avenue, Brooklyn

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Purchase date 06/28/2006
Purchase price $740,000
Tax class

Lot & Building Information for 643 Flatbush Avenue, Brooklyn

Lot sq. ft. 3,620
Lot dimensions 32.08 ft x 112 ft
Property type Over Six Families without Stores (C1)
Building sqft 10,760
Building dimensions 32 ft x 85 ft
Buildings on lot 1
Stories 4
Year built 1931
Construction type
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Zoning & Use for 643 Flatbush Avenue, Brooklyn

Zoning
Residential units (DOF) 8
Regulatory status Rent stabilized
Stabilized units 8
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 17
Community district 9
Closest police station 0.76 Miles
Closest fire station 0.38 Miles

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

Other Property Data for 643 Flatbush Avenue, 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 643 Flatbush Avenue, Brooklyn, NY, 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 643 Flatbush Avenue, Brooklyn, NY, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 643 Flatbush Avenue, Brooklyn

What is the year built & the total sq. ft. for 643 Flatbush Avenue, Brooklyn, NY?

643 Flatbush Avenue, Brooklyn, NY was built in 1931 and has a total of 10,760 square feet.

What is the assessed value of 643 Flatbush Avenue, Brooklyn, NY and the property tax paid?

Assessed at $703,800, the tax amount paid for 643 Flatbush Avenue, Brooklyn, NY is $24,638.

When was 643 Flatbush Avenue, Brooklyn, NY last sold and what was the last sale price?

643 Flatbush Avenue, Brooklyn, NY was last sold in 06/28/2006 for $740,000.

How many residential units does this building have?

This building has 8 residential unit(s).

Ownership Information for 643 Flatbush Avenue, Brooklyn

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Property owner name for 643 Flatbush Avenue, Brooklyn, NY
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Building contacts for 643 Flatbush Avenue, Brooklyn, NY
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Laura Pop-Badiu, Jul 02, 2026 How to Find Foreclosed Homes Step-by-Step Using PropertyShark
To help real estate professionals find foreclosed homes in a timely and efficient manner, this guide breaks down every step of the research process — from understanding foreclosure status all the way to finding contact information for owners and looking past LLCs.
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Past Sales & Property History for 643 Flatbush Avenue, Brooklyn

Create a free account to view the complete sales history for 643 Flatbush Avenue, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Sale date Sale price Buyer name Seller name
06/28/2006 $740,000

Title Documents for 643 Flatbush Avenue, 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
07/18/2006 - R
06/28/2006 - D
Deed
(2006071000606003)
07/18/2006 - R
05/24/2006 - D
Power of Attorney
(2006071000606002)
07/18/2006 - R
05/24/2006 - D
Power of Attorney
(2006071000606001)
03/31/2005 - R
03/17/2005 - D
Release
(2005032800475001)
06/15/1999 - R
02/24/1995 - D
Deed
(3530006643753)
08/13/1992 - R Agreement
(3960001706296)
08/13/1992 - R Mortgage
(3950001706295)
08/13/1992 - R Deed
(3940001706294)
07/07/1986 - D
07/07/1986 - R
Deed
(3870001179887)
07/14/1981 - D
07/14/1981 - R
Deed
(38130125100466)
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R: Recorded date
D: Document date

Property Taxes for 643 Flatbush Avenue, Brooklyn

Access detailed property tax data for 643 Flatbush Avenue, Brooklyn, NY. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2026-2027
Property tax: $24,639
Tax assessor's market value: $1,564,000
Assessed value: $703,800
Exemptions granted by city:

Assessment History for 643 Flatbush Avenue, Brooklyn

Here's the assessment & property tax history for 643 Flatbush Avenue, 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 $1,382,000 $621,900 $132,001 12.439% $36,751 $16,420 +79.72%
2024/25 $1,299,000 $584,550 $73,090 12.5% $34,196 $9,136 +218.27%
2023/24 $1,206,000 $542,700 $22,961 12.502% $31,668 $2,871 +3.31%
2022/23 $1,245,000 $560,250 $22,652 12.267% $29,718 $2,779 -3.72%
2021/22 $1,004,000 $451,800 $23,586 12.235% $29,640 $2,886 +3.35%

Permits for 643 Flatbush Avenue, Brooklyn

The complete history of permits filed for 643 Flatbush Avenue, 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.

Filing date Job type Job status Job description Initial cost
07/19/2025 Alteration
12/11/2024 Alteration
03/13/2019 Alteration type 2
11/09/2011 Alteration type 2
04/01/1992 Alteration type 2
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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
$444
-15% YoY
Median Price/Sqft Q4/2025
$523
9.6% YoY
Median Price/Sqft 2025
$523
5.9% 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 Ocean Ave & Parkside Ave at NE Corner
Station lines B-Q
Distance (miles) 0.191
View subway map

Neighbors for 643 Flatbush Avenue, Brooklyn

Here are the neighbors for 643 Flatbush Avenue, Brooklyn, NY.

Address Square feet Purchase date Purchase price
76 Fenimore St, Brooklyn 3,516 04/11/2012
80 Fenimore St, Brooklyn 3,516 09/27/2024 $1,700,000
289 Fenimore St, Brooklyn 6,375 09/12/2016 $1,100,000
635 Flatbush Ave, Brooklyn 10,284 05/26/1987
659 Flatbush Ave, Brooklyn 4,120 11/14/1972
287 Fenimore St, Brooklyn 2,400 09/12/2017 $1,250,000
293 Fenimore St, Brooklyn 6,263 03/15/2018 $1,175,000
82 Fenimore St, Brooklyn 3,516 12/14/2016 $1,750,000
631 Flatbush Ave, Brooklyn 9,408 10/19/1981
84 Fenimore St, Brooklyn 3,161 10/11/2022 $1,570,000
647 Flatbush Ave, Brooklyn 10,728 11/07/2025 $10
651 Flatbush Ave, Brooklyn 3,120 01/28/2000
657 Flatbush Ave, Brooklyn 3,151 05/21/2019
74 Fenimore St, Brooklyn 3,516 01/10/2012
297 Fenimore St, Brooklyn 2,347 06/30/2014
639 Flatbush Ave, Brooklyn 10,284 07/14/2004
653 Flatbush Ave, Brooklyn 3,036 04/19/2023
655 Flatbush Ave, Brooklyn 3,300 06/08/2022
78 Fenimore St, Brooklyn 3,516 03/06/2014 $1,396,101
86 Fenimore St, Brooklyn 3,360 07/30/1987
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