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256 Union Street, Brooklyn, NY 11231 Property Information

256 Union Street, Brooklyn, NY 11231 Property Information

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

Primary address 256 Union Street
Neighborhood Carroll Gardens
Zip code 11231
Borough Brooklyn
Block & lot 00345-0015

Sales & Tax Overview for 256 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 04/03/2003
Purchase price $1,200,000
Tax class

Lot & Building Information for 256 Union Street, Brooklyn

Lot sq. ft. 2,250
Lot dimensions 22.5 ft x 100 ft
Property type Three Families (C0)
Building sqft 3,680
Building dimensions 22.5 ft x 40 ft
Buildings on lot 1
Stories 3
Structure type Brownstone
Building material Brick
Exterior wall Brick/masonry
Basement type Full
Year built 1899
Frontage Union Street (narrow)
Nearest wide street Court Street
Distance to wide street
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Zoning & Use for 256 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 0.17 Miles
Closest fire station 0.45 Miles

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

Other Property Data for 256 Union Street, Brooklyn

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Floor area ratio (FAR) for 256 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 256 Union Street, Brooklyn, NY 11231, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 256 Union Street, Brooklyn

What is the year built & the total sq. ft. for 256 Union Street, Brooklyn, NY 11231?

256 Union Street, Brooklyn, NY 11231 was built in 1899 and has a total of 3,680 square feet.

What is the assessed value of 256 Union Street, Brooklyn, NY 11231 and the property tax paid?

Assessed at $317,100, the tax amount paid for 256 Union Street, Brooklyn, NY 11231 is $9,580.

When was 256 Union Street, Brooklyn, NY 11231 last sold and what was the last sale price?

256 Union Street, Brooklyn, NY 11231 was last sold in 04/03/2003 for $1,200,000.

How many residential units does this building have?

This building has 3 residential unit(s).

Ownership Information for 256 Union Street, Brooklyn

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Property owner name for 256 Union Street, Brooklyn, NY 11231
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Building contacts for 256 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 256 Union Street, Brooklyn

Create a free account to view the complete sales history for 256 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Sale date Sale price Buyer name Seller name
04/03/2003 $1,200,000

Title Documents for 256 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
08/01/2013 - R
07/11/2013 - D
Satisfaction of Mortgage
(2013071000930001)
07/23/2013 - R
06/14/2013 - D
Mortgage
(2013070500427001)
02/24/2011 - R
01/28/2011 - D
Agreement
(2011020301102003)
02/24/2011 - R
01/28/2011 - D
Mortgage
(2011020301102002)
02/24/2011 - R
01/10/2011 - D
Subordination of Mortgage
(2011020301102004)
02/24/2011 - R
12/17/2010 - D
Assignment, Mortgage
(2011020301102001)
02/27/2004 - R
06/18/2003 - D
Satisfaction of Mortgage
(2003110600297001)
07/08/2003 - R
05/07/2003 - D
Satisfaction of Mortgage
(2003050800420001)
05/05/2003 - R Power of Attorney
(2003040600201001)
09/17/2003 - R
04/30/2003 - D
Mortgage
(2003061301790001)
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R: Recorded date
D: Document date

Property Taxes for 256 Union Street, Brooklyn

Access detailed property tax data for 256 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: $9,581
Tax assessor's market value: $5,285,000
Assessed value: $317,100

Assessment History for 256 Union Street, Brooklyn

Here's the assessment & property tax history for 256 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 $4,371,000 $262,260 $45,574 19.843% $9,043 $9,043 -1.20%
2024/25 $5,016,000 $300,960 $45,572 20.085% $9,153 $9,153 +5.99%
2023/24 $5,241,000 $314,460 $42,996 20.085% $8,636 $8,636 -0.27%
2022/23 $5,036,000 $302,160 $42,638 20.309% $8,659 $8,659 +7.80%
2021/22 $3,888,000 $233,280 $40,237 19.963% $8,033 $8,033 +0.51%

Permits for 256 Union Street, Brooklyn

The complete history of permits filed for 256 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.

No recorded permits for this property.

Carroll Gardens Residential Market Stats

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

Median Sale Price
$2,100,000
17.5% YoY
Median Price/Sqft
$1,780
7.7% 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)

Transportation

Distance to Subway
Closest station Smith St & President St at NW Corner
Station lines F-G
Distance (miles) 0.173
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 0.34
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.34
Pache Montessori NR No Private PK-K 122 0.15
Pache Montessori NR No Private PK-K 122 0.15
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.17

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 0.22
School For International Studies 5 No Public 6-12 782 0.25
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.34
Mary McDowell Friends School NR No Private 6-10 290 0.41
International School of Brooklyn NR No Private PK, K-8 0 0.42

Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Digital Arts and Cinema Technology High School 8 No Public 9-12 331 0.25
School For International Studies 5 No Public 6-12 782 0.25
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.34
New Dawn Charter High School 2 No Charter 9-12 233 0.36
Cobble Hill School of American Studies 1 No Public 9-12 316 0.37

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

Neighbors for 256 Union Street, Brooklyn

Here are the neighbors for 256 Union Street, Brooklyn, NY 11231.

Address Square feet Purchase date Purchase price
270 Union St, Brooklyn 2,688 08/19/2021
348 Court St, Brooklyn 7,500
250 Union St, Brooklyn 3,425 07/23/2003
401 Clinton St, Brooklyn 3,330 09/18/2019
403 Clinton St, Brooklyn 3,050 01/22/1993
260 Union St, Brooklyn 3,792 04/06/2022
264 Union St, Brooklyn 4,000 01/25/2021
350 Court St, Brooklyn 13,800 03/26/2007
399 Clinton St, Brooklyn 4,133 04/07/2011 $2,575,000
258 Union St, Brooklyn 4,050 07/16/2024
266 Union St, Brooklyn 4,425 11/05/1999
254 Union St, Brooklyn 3,562 08/10/2015
252 Union St, Brooklyn 3,464 02/24/2011
262 Union St, Brooklyn 3,792 07/16/1993
272 Union St, Brooklyn 2,688 05/13/2021
248 Union St, Brooklyn 4,500 06/24/2022 $2,900,000
246 Union St, Brooklyn 2,000 08/05/2013 $2,035,000
397 Clinton St, Brooklyn 3,680 02/15/2002
268 Union St, Brooklyn 2,350 10/29/1992
393 Clinton St, Brooklyn 6,425 04/08/2025 $5,500,000
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