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329 Union Street, Brooklyn, NY 11231 Property Information

329 Union Street, Brooklyn, NY 11231 Property Information

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

Primary address 329 Union Street
Neighborhood Carroll Gardens
Zip code 11231
Borough Brooklyn
Block & lot 00428-0049

Sales & Tax Overview for 329 Union Street, Brooklyn

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Purchase date 08/14/2014
Purchase price $8,500,000
Tax class
Estimated property tax $275,713

Lot & Building Information for 329 Union Street, Brooklyn

Lot sq. ft. 5,333
Lot dimensions 53.33 ft x 100 ft
Property type Over Six Families without Stores (C1)
Building sqft 18,773
Building dimensions 53 ft x 87 ft
Buildings on lot 1
Stories 4
Year built 1930
Year last altered 2017
Construction type
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Zoning & Use for 329 Union Street, Brooklyn

Zoning
Residential units (DOF) 20
Regulatory status Rent stabilized
Stabilized units 6
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 15
Community district 6
Closest police station 0.30 Miles
Closest fire station 0.57 Miles

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

Other Property Data for 329 Union Street, Brooklyn

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Floor area ratio (FAR) for 329 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 329 Union Street, Brooklyn, NY 11231, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 329 Union Street, Brooklyn

What is the year built & the total sq. ft. for 329 Union Street, Brooklyn, NY 11231?

329 Union Street, Brooklyn, NY 11231 was built in 1930 and has a total of 18,773 square feet.

What is the assessed value of 329 Union Street, Brooklyn, NY 11231 and the property tax paid?

Assessed at $2,558,700, the tax amount paid for 329 Union Street, Brooklyn, NY 11231 is $255,824. For the next year, the tax amount for 329 Union Street, Brooklyn, NY 11231 is estimated at $275,713.

When was 329 Union Street, Brooklyn, NY 11231 last sold?

329 Union Street, Brooklyn, NY 11231 was last sold in 12/17/2018.

How many residential units does this building have?

This building has 20 residential unit(s).

Ownership Information for 329 Union Street, Brooklyn

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Property owner name for 329 Union Street, Brooklyn, NY 11231
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Building contacts for 329 Union Street, Brooklyn, NY 11231
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 329 Union Street, Brooklyn

Create a free account to view the complete sales history for 329 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
08/14/2014 $8,500,000

Title Documents for 329 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
02/09/2026 - R UCC3 Termination
(2026020500283002)
07/16/2025 - R Initial UCC1
(2025070900847004)
07/16/2025 - R
07/01/2025 - D
Assignment of Leases and Rents
(2025070900847003)
07/16/2025 - R
07/01/2025 - D
Agreement
(2025070900847002)
07/16/2025 - R
06/25/2025 - D
Assignment, Mortgage
(2025070900847001)
06/12/2024 - R
01/01/2024 - D
Agreement
(2024052200991002)
09/18/2023 - R UCC3 Continuation
(2023091800451001)
01/31/2020 - R UCC3 Assignment
(2020013100820002)
01/31/2020 - R
04/26/2019 - D
Assignment, Mortgage
(2020013100820001)
02/05/2019 - R Initial UCC1
(2019011400160007)
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R: Recorded date
D: Document date

Property Taxes for 329 Union Street, Brooklyn

Access detailed property tax data for 329 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: $255,825
Estimated property tax: $275,713
Tax assessor's market value: $5,686,000
Assessed value: $2,558,700

Assessment History for 329 Union Street, Brooklyn

Here's the assessment & property tax history for 329 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 $5,686,000 $2,558,700 $2,056,635 12.439% $255,825 $255,825 +5.48%
2024/25 $5,307,000 $2,388,150 $1,940,283 12.5% $242,535 $242,535 +31.64%
2023/24 $4,186,000 $1,883,700 $1,473,750 12.502% $184,248 $184,248 +11.31%
2022/23 $3,399,000 $1,529,550 $1,349,370 12.267% $165,527 $165,527 +8.32%
2021/22 $2,813,000 $1,265,850 $1,248,930 12.235% $152,807 $152,807 +6.14%

Permits for 329 Union Street, Brooklyn

The complete history of permits filed for 329 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
04/04/2024 Alteration
05/07/2019 Alteration
04/11/2019 Alteration type 2
05/16/2018 Alteration type 2
01/29/2018 Alteration type 2
01/11/2018 Alteration type 2
03/13/2017 Alteration type 2
04/15/2016 Alteration type 3
01/25/2016 Alteration type 2
01/13/2016 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 Smith St & President St at NW Corner
Station lines F-G
Distance (miles) 0.075
View subway map

Neighbors for 329 Union Street, Brooklyn

Here are the neighbors for 329 Union Street, Brooklyn, NY 11231.

Address Square feet Purchase date Purchase price
315 Union St, Brooklyn 2,370 12/10/2004 $1,350,000
313 Union St, Brooklyn 2,853 07/19/2022
297 Smith St, Brooklyn 2,640 09/23/2015
294 Smith St, Brooklyn 3,983
301 Smith St, Brooklyn 3,600 05/03/2026
337 Union St, Brooklyn 3,080 08/14/2023 $10
296 Smith St, Brooklyn 5,040 12/22/2000
319 Union St, Brooklyn 3,660 10/15/2014
317 Union St, Brooklyn 4,375 04/16/2015
299 Smith St, Brooklyn 2,640 05/13/2021
349 Union St, Brooklyn 3,360 10/04/1999
290 Smith St, Brooklyn 2,280 02/27/2025
288 Smith St, Brooklyn 2,280 04/14/2023 $2,500,000
286 Smith St, Brooklyn 2,280 03/14/2026
327 Union St, Brooklyn 2,025 11/04/2024 $2,615,000
347 Union St, Brooklyn 3,360 05/19/1980
325 Union St, Brooklyn 2,025 01/04/2017 $1,825,000
335 Union St, Brooklyn 3,600 12/19/2012
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