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640 Dean Street, Brooklyn, NY 11238 Property Information

640 Dean Street, Brooklyn, NY 11238 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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640 Dean Street, Brooklyn, NY 11238 1
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Address

Primary address 640 Dean Street
Neighborhood Prospect Heights
Zip code 11238
Borough Brooklyn
Block & lot 01137-0039

Sales & Tax Overview for 640 Dean 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 $50,553

Lot & Building Information for 640 Dean Street, Brooklyn

Lot sq. ft. 2,784
Lot dimensions 25 ft x 111.7 ft
Property type Factory - Industrial Miscellaneous (F9)
Building sqft 11,100
Building dimensions 25 ft x 111 ft
Buildings on lot 1
Stories 5
Year built 1910
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Zoning & Use for 640 Dean Street, Brooklyn

Zoning
Commercial units 5
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 13
Community district 8

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

Other Property Data for 640 Dean Street, Brooklyn

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Floor area ratio (FAR) for 640 Dean Street, Brooklyn, NY 11238, 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 640 Dean Street, Brooklyn, NY 11238, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 640 Dean Street, Brooklyn

How many square feet does 640 Dean Street, Brooklyn, NY 11238 have?

This Factory - Industrial Miscellaneous (F9) located at 640 Dean Street, Brooklyn, NY 11238 has a total of 11,100 square feet.

What is the year built & the current market value of 640 Dean Street, Brooklyn, NY 11238?

640 Dean Street, Brooklyn, NY 11238 was built in 1910 and has a current tax assessor's market value of $1,163,000.

How many commercial spaces does this building have?

This building has 5 commercial spaces available for lease.

Ownership Information for 640 Dean Street, Brooklyn

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Property owner name for 640 Dean Street, Brooklyn, NY 11238
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Building contacts for 640 Dean Street, Brooklyn, NY 11238
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
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Past Sales & Property History for 640 Dean Street, Brooklyn

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No recorded sales for this property.

Title Documents for 640 Dean 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
04/17/2024 - D
04/18/2024 - R
Zoning Lot Description
(2024041700973001)
07/09/2018 - D
09/14/2018 - R
Deed
(2018091200844003)
07/14/1986 - D
04/29/2020 - R
Easement
(2020041600331001)
11/24/1975 - R Deed
(37530081501992)
           
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R: Recorded date
D: Document date

Property Taxes for 640 Dean Street, Brooklyn

Access detailed property tax data for 640 Dean Street, Brooklyn, NY 11238. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $46,736
Estimated property tax: $50,553
Tax assessor's market value: $1,163,000
Assessed value: $523,350

Assessment History for 640 Dean Street, Brooklyn

Here's the assessment & property tax history for 640 Dean 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 $1,163,000 $523,350 $430,830 10.848% $46,736 $46,736 +5.54%
2024/25 $1,034,000 $465,300 $411,480 10.762% $44,283 $44,283 +6.01%
2023/24 $976,000 $439,200 $394,380 10.592% $41,773 $41,773 +4.39%
2022/23 $892,000 $401,400 $375,877 10.646% $40,016 $40,016 +14.52%
2021/22 $722,000 $324,900 $324,900 10.755% $34,943 $34,943 -9.06%

Permits for 640 Dean Street, Brooklyn

The complete history of permits filed for 640 Dean 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.

Filing date Job type Job status Job description Initial cost
12/17/2019 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 Clinton Ave & Fulton Ave at SE Corner (Exit Only)
Station lines C
Distance (miles) 0.25
View subway map

Neighbors for 640 Dean Street, Brooklyn

Here are the neighbors for 640 Dean Street, Brooklyn, NY 11238.

Address Square feet Purchase date Purchase price
92 Troy Ave, Brooklyn 2,484 06/15/2015 $4,700,000
1509 Bergen St, Brooklyn 60,053 10/30/2013 $304,200
786 President St, Brooklyn 7,000 05/02/2024 $8,906,282
646 Dean St, Brooklyn 17,615 07/09/2018
1557 E New York Ave, Brooklyn 3,321 08/26/2021
331 14th St, Brooklyn 08/12/2021
52 39th St, Brooklyn 275,835
954 Atlantic Ave, Brooklyn 2,520 03/27/2000
1768 Atlantic Ave, Brooklyn 9,000 06/23/1966
1510 Prospect Pl, Brooklyn 3,324 11/03/2021 $950,000
197 Bush St, Brooklyn 2,000 12/23/2004 $205,000
1909 Pacific St, Brooklyn 1,944 04/19/2018
499 St Johns Pl, Brooklyn 5,100 08/14/2012
4315 3rd Ave, Brooklyn 2,048 03/26/2024 $1,099,710
1042 President St, Brooklyn 41,569 06/30/2021
1522 Lincoln Pl, Brooklyn 2,460 04/17/2026 $1,275,000
4502 2nd Ave, Brooklyn 38,000 07/20/2010 $1
4313 3rd Ave, Brooklyn 2,091 04/26/2024 $1,170,988
118 33rd St, Brooklyn
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