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51 Union Street, Brooklyn, NY 11231 Property Information

51 Union Street, Brooklyn, NY 11231 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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51 Union Street, Brooklyn, NY 11231 1
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Address

Primary address 51 Union Street
Secondary address 59-61 Union St
Neighborhood Columbia Street Waterfront District
Zip code 11231
Borough Brooklyn
Block & lot 00334-0034

Sales & Tax Overview for 51 Union Street, Brooklyn

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

Purchase date 06/29/2021
Purchase price $6,400,000
Tax class
Estimated property tax $117,099

Lot & Building Information for 51 Union Street, Brooklyn

Lot sqft 14,600
Lot dimensions 100 ft x 146 ft
Building class Factory - Industrial Semi-Fireproof (F4) i
Building sqft 14,600
Building dimensions 100 ft x 146 ft
Buildings on lot 1
Stories 1
Year built 1935
Construction type
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Zoning & Use for 51 Union Street, Brooklyn

Zoning
Qualified opportunity zone
Commercial units 2

Area Overview

Walk Score
Transit Score
Bike Score


School district 15
Community district 6
Closest police station 0.26 Miles
Closest fire station 0.28 Miles

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

Other Property Data for 51 Union 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 51 Union Street, Brooklyn, NY 11231, 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 51 Union Street, Brooklyn, NY 11231, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 59-61 Union St, Brooklyn, NY 11231
  • 100-108 Van Brunt St, Brooklyn, NY 11231

About 51 Union Street, Brooklyn

How many sq. ft. does 51 Union Street, Brooklyn, NY 11231 have & what is the price per sq. ft?

This Factory - Industrial Semi-Fireproof (F4) located at 51 Union Street, Brooklyn, NY 11231 has a total of 14,600 square feet and a current price per square foot of $438.

What is the year built & the current market value of 51 Union Street, Brooklyn, NY 11231?

51 Union Street, Brooklyn, NY 11231 was built in 1935 and has a current tax assessor's market value of $3,932,000.

How many commercial spaces does this building have?

This building has 2 commercial spaces available for lease.

Ownership Information for 51 Union Street, Brooklyn

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Property owner name for 51 Union Street, Brooklyn, NY 11231
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Building contacts for 51 Union Street, Brooklyn, NY 11231
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 51 Union Street, Brooklyn

Create a free account to view the complete sales history for 51 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
06/29/2021 $6,400,000

Title Documents for 51 Union 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
07/13/2021 - R Initial UCC1
(2021070601627004)
06/29/2021 - D
07/13/2021 - R
Assignment of Leases and Rents
(2021070601627003)
06/29/2021 - D
07/13/2021 - R
Mortgage
(2021070601627002)
06/29/2021 - D
07/13/2021 - R
Deed
(2021070601627001)
03/01/1990 - R Satisfaction of Mortgage
(3090001521309)
03/01/1990 - R Satisfaction of Mortgage
(3080001521308)
03/01/1990 - R Satisfaction of Mortgage
(3070001521307)
03/01/1990 - R Satisfaction of Mortgage
(3060001521306)
11/16/1980 - R Maps
(38030000004373)
12/23/1971 - R Deed
(37130052701448)
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R: Recorded date
D: Document date

Property Taxes for 51 Union Street, Brooklyn

Access detailed property tax data for 51 Union Street, Brooklyn, NY 11231. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $80,537
Estimated property tax: $117,099
Tax assessor's market value: $3,932,000
Assessed value: $1,769,400

Assessment History for 51 Union Street, Brooklyn

Here's the assessment & property tax history for 51 Union 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 $3,932,000 $1,769,400 $742,410 10.848% $80,537 $80,537 +54.32%
2024/25 $1,171,000 $526,950 $484,920 10.762% $52,187 $52,187 +4.08%
2023/24 $1,207,000 $543,150 $473,400 10.592% $50,143 $50,143 +4.56%
2022/23 $1,103,000 $496,350 $450,450 10.646% $47,955 $47,955 +18.52%
2021/22 $836,000 $376,200 $376,200 10.755% $40,460 $40,460 -12.16%

Permits for 51 Union Street, Brooklyn

The complete history of permits filed for 51 Union 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
10/12/2022 Alteration
10/12/2022 Alteration
10/12/2022 Alteration
10/12/2022 Alteration
12/07/2016 Sign
09/19/2015 Alteration type 3
08/12/2015 Alteration type 2
08/07/2015 Alteration type 2
07/22/2015 Sign
07/22/2015 Sign
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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 Q3/2025
$495
3.7% YoY
Median Price/Sqft Q2/2025
$503
7% YoY
Median Price/Sqft 2024
$470
2.1% YoY

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

Risk

FEMA flood zone(s): 0.2,AE (See more on map)
Hurricane evacuation zone: 1 (See more on map)

Transportation

Distance to Subway
Closest station Smith St & President St at NW Corner
Station lines F-G
Distance (miles) 0.646
View subway map
Bus Routes
Name Columbia St/Sackett St
Line B61
Distance (miles) 0.137

Neighbors for 51 Union Street, Brooklyn

Here are the neighbors for 51 Union Street, Brooklyn, NY 11231.

Address Square feet Purchase date Purchase price
8 Sackett St, Brooklyn
65 Sackett St, Brooklyn 1,330 08/12/2021 $5,200,000
136 Sackett St, Brooklyn 05/12/1967
210 Columbia St, Brooklyn 5,577
42 Sackett St, Brooklyn
85 Sackett St, Brooklyn 5,440 02/27/2024 $1
38 Union St, Brooklyn 01/14/1972
42 Union St, Brooklyn
214 Union St, Brooklyn 2,700 09/13/2002
45 President St, Brooklyn 08/11/1978
524 Henry St, Brooklyn 6,500 07/15/2016 $1,300,000
32 Sackett St, Brooklyn 10/06/1966
18 Sackett St, Brooklyn 01/26/1968
206 Columbia St, Brooklyn 03/14/1990
117 Union St, Brooklyn 25,009
44 Union St, Brooklyn 04/05/1973
54 Sackett St, Brooklyn 11/01/1974
495 Henry St, Brooklyn 4,000 06/08/2010 $950,000
77 Sackett St, Brooklyn 4,500 05/27/2025 $1,900,000
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