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433 Union Street, Brooklyn, NY 11231 Property Information

433 Union Street, Brooklyn, NY 11231 Property Information

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

Primary address 433 Union Street
Neighborhood Gowanus
Zip code 11231
Borough Brooklyn
Block & lot 00430-0069

Sales & Tax Overview for 433 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 11/08/2023
Purchase price $1,875,000
Tax class

Lot & Building Information for 433 Union Street, Brooklyn

Lot sq. ft. 1,667
Lot dimensions 16.67 ft x 100 ft
Property type Three Families (C0)
Building sqft 1,938
Building dimensions 16.67 ft x 38 ft
Buildings on lot 1
Stories 2
Structure type Row
Building material Brick
Status
Status date
Exterior wall Brick/masonry
Basement type Full
Year built 1899
Frontage Union Street (narrow)
Nearest wide street Hoyt Street
Distance to wide street
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Zoning & Use for 433 Union Street, Brooklyn

Zoning
Residential units (DOF) 3
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 15
Community district 6
Closest police station 0.52 Miles
Closest fire station 0.60 Miles

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

Other Property Data for 433 Union Street, Brooklyn

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Floor area ratio (FAR) for 433 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 433 Union Street, Brooklyn, NY 11231, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 433 Union Street, Brooklyn

What is the year built & the total sq. ft. for 433 Union Street, Brooklyn, NY 11231?

433 Union Street, Brooklyn, NY 11231 was built in 1899 and has a total of 1,938 square feet.

What is the assessed value of 433 Union Street, Brooklyn, NY 11231 and the property tax paid?

Assessed at $128,580, the tax amount paid for 433 Union Street, Brooklyn, NY 11231 is $4,785.

When was 433 Union Street, Brooklyn, NY 11231 last sold and what was the last sale price?

433 Union Street, Brooklyn, NY 11231 was last sold in 11/08/2023 for $1,875,000.

How many residential units does this building have?

This building has 3 residential unit(s).

Ownership Information for 433 Union Street, Brooklyn

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Property owner name for 433 Union Street, Brooklyn, NY 11231
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Building contacts for 433 Union Street, Brooklyn, NY 11231
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Eliza Theiss, Jun 23, 2026 NYC Resale Gains & Losses: Every Borough Made Money in 2025, Except Manhattan
In 2025, NYC home-sellers mostly made money. But, in Manhattan, resales came with losses — and it was apartments and recent buyers that absorbed them.
Eliza Theiss, Jun 04, 2026 World Cup or Your Mortgage/Rent? Ticket Prices Rival Host City Housing Costs
World Cup ticket prices rival monthly housing expenses in the 11 U.S. host cities, with even the cheapest seats covering weeks or even months of rent or mortgage payments.
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Past Sales & Property History for 433 Union Street, Brooklyn

Create a free account to view the complete sales history for 433 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Sale date Sale price Buyer name Seller name
11/08/2023 $1,875,000
03/03/2021 $10
       
       
       
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Title Documents for 433 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
11/20/2024 - R
11/14/2024 - D
Certificate
(2024111800090002)
11/20/2024 - R
11/14/2024 - D
Zoning Lot Description
(2024111800090001)
11/17/2023 - R
11/08/2023 - D
Deed
(2023110800341001)
03/25/2021 - R
03/03/2021 - D
Deed
(2021031100913001)
07/18/2019 - R
06/26/2019 - D
Deed
(2019071600208001)
07/27/2010 - R
07/10/2010 - D
Deed
(2010072600740001)
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R: Recorded date
D: Document date

Property Taxes for 433 Union Street, Brooklyn

Access detailed property tax data for 433 Union Street, Brooklyn, NY 11231. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2026-2027
Property tax: $4,786
Tax assessor's market value: $2,143,000
Assessed value: $128,580

Assessment History for 433 Union Street, Brooklyn

Here's the assessment & property tax history for 433 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 $2,081,000 $124,860 $22,786 19.843% $4,521 $4,521 +4.72%
2024/25 $1,989,000 $119,340 $21,497 20.085% $4,318 $4,318 0.00%
2023/24 $2,440,000 $146,400 $21,497 20.085% $4,318 $4,318 -0.09%
2022/23 $2,186,000 $131,160 $21,280 20.309% $4,322 $4,322 +7.72%
2021/22 $2,397,000 $143,820 $20,098 19.963% $4,012 $4,012 +0.40%

Permits for 433 Union Street, Brooklyn

The complete history of permits filed for 433 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
03/24/2026 Alteration CO
02/13/2026 Alteration
01/28/2026 Alteration
12/18/2025 Alteration
12/03/2025 Alteration CO
08/28/2025 Alteration
08/21/2025 Alteration CO
08/05/2025 Alteration CO
04/01/2025 Alteration
09/20/2024 Alteration CO
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Gowanus Residential Market Stats

Access a detailed real estate market overview of Gowanus so you can assess current trends, home values, types of properties sold and transaction volume.
View the median home sale price in Gowanus and compare it to other neighborhoods in Brooklyn.

Median Sale Price
$1,150,000
-10.5% YoY
Median Price/Sqft
$1,352
11.7% YoY
Brooklyn Median Sale Price
$885,000
2.5% YoY

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

Risk

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

Transportation

Distance to Subway
Closest station Smith St & President St at NE Corner
Station lines F-G
Distance (miles) 0.176
View subway map

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.04
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.04
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.25
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.25
Hannah Senesh Community Day School NR No Private K-8 231 0.26

Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Hannah Senesh Community Day School NR No Private K-8 231 0.26
School For International Studies 5 No Public 6-12 782 0.33
P.S. 372 The Children S School NR No Public PK, K-8 436 0.40
Al-Madinah School NR No Private PK-12 790 0.46
Mary McDowell Friends School NR No Private 6-10 290 0.47

Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
New Dawn Charter High School 2 No Charter 9-12 233 0.16
Cobble Hill School of American Studies 1 No Public 9-12 316 0.29
School For International Studies 5 No Public 6-12 782 0.33
Digital Arts and Cinema Technology High School 8 No Public 9-12 331 0.33
Al-Madinah School NR No Private PK-12 790 0.46

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 433 Union Street, Brooklyn

Here are the neighbors for 433 Union Street, Brooklyn, NY 11231.

Address Square feet Purchase date Purchase price
431 Union St, Brooklyn 2,280 08/04/2011
425 Union St, Brooklyn 2,760 01/12/2024
415 Union St, Brooklyn 3,000 01/11/2010
429 Union St, Brooklyn 3,165 12/19/1977
441 Union St, Brooklyn 1,824 08/28/2024
451 Union St, Brooklyn 1,424 04/12/2021
419 Union St, Brooklyn 3,040 04/02/2009 $1,810,000
437 Union St, Brooklyn 2,723 03/04/2016
447 Union St, Brooklyn 1,088 07/28/2017
423 Union St, Brooklyn 2,280 05/26/1999
445 Union St, Brooklyn 1,392 02/16/1984
427 Union St, Brooklyn 3,165 03/09/2016 $2,760,000
439 Union St, Brooklyn 1,824 08/28/2024
421 Union St, Brooklyn 2,289 09/06/2001
417 Union St, Brooklyn 2,400 12/26/2024 $3,325,000
443 Union St, Brooklyn 1,760 06/15/1995
455 Union St, Brooklyn 1,040 11/24/2015
305 Bond St, Brooklyn 4,000 03/31/2017 $10,000
435 Union St, Brooklyn 2,972 10/25/2022
457 Union St, Brooklyn 2,412 02/29/2016 $2,688,000
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