New York City  »  11231  »  Union St  »  371 Union St

371 Union Street, Brooklyn, NY 11231 Property Information

371 Union Street, Brooklyn, NY 11231 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

371 Union Street, Brooklyn, NY 11231 1
static Mapbox map

Address

Primary address 371 Union Street
Neighborhood Carroll Gardens
Zip code 11231
Borough Brooklyn
Block & lot 00429-0069

Sales & Tax Overview for 371 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 10/05/2007
Purchase price $210,000
Tax class

Lot & Building Information for 371 Union Street, Brooklyn

Lot sq. ft. 1,260
Lot dimensions 14 ft x 90 ft
Property type Two Family Brick (B1)
Building sqft 3,024
Building dimensions 14 ft x 60 ft
Buildings on lot 1
Stories 3
Structure type Brownstone
Building material Brick
Status
Status date
Exterior wall Brick/masonry
Basement type Full
Year built 1899
Year last altered 2024
Frontage Union Street (narrow)
Nearest wide street Hoyt Street
Distance to wide street
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning & Use for 371 Union Street, Brooklyn

Zoning
Residential units (DOF) 2
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 15
Community district 6
Closest police station 0.39 Miles
Closest fire station 0.65 Miles

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

Other Property Data for 371 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 371 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 371 Union Street, Brooklyn, NY 11231, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 371 Union Street, Brooklyn

What is the year built & the total sq. ft. for 371 Union Street, Brooklyn, NY 11231?

371 Union Street, Brooklyn, NY 11231 was built in 1899 and has a total of 3,024 square feet.

What is the assessed value of 371 Union Street, Brooklyn, NY 11231 and the property tax paid?

Assessed at $245,280, the tax amount paid for 371 Union Street, Brooklyn, NY 11231 is $10,104.

When was 371 Union Street, Brooklyn, NY 11231 last sold and what was the last sale price?

371 Union Street, Brooklyn, NY 11231 was last sold in 10/05/2007 for $210,000.

How many residential units does this building have?

This building has 2 residential unit(s).

Ownership Information for 371 Union Street, Brooklyn

View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.

Property owner name for 371 Union Street, Brooklyn, NY 11231
Find out who owns 371 Union Street, Brooklyn, NY 11231.
Sign Up
Building contacts for 371 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.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 371 Union Street, Brooklyn

Create a free account to view the complete sales history for 371 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Sale date Sale price Buyer name Seller name
10/05/2007 $210,000

Title Documents for 371 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
05/12/2023 - R
05/05/2023 - D
Satisfaction of Mortgage
(2023051100989001)
08/26/2011 - R
03/18/2010 - D
Satisfaction of Mortgage
(2011081701122001)
07/12/2010 - R
03/08/2010 - D
Mortgage
(2010070700692001)
01/09/2008 - R
10/25/2007 - D
Mortgage
(2008010701303001)
10/30/2007 - R
10/17/2007 - D
Satisfaction of Mortgage
(2007102300501001)
10/19/2007 - R
10/05/2007 - D
Deed
(2007101800722001)
06/25/2007 - R
06/03/2007 - D
Assignment, Mortgage
(2007061500186001)
07/28/2005 - R
07/13/2005 - D
Mortgage
(2005072000450001)
08/02/2002 - R Agreement
(3930008796893)
08/02/2002 - R Assignment, Mortgage
(3660008796866)
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 371 Union Street, Brooklyn

Access detailed property tax data for 371 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: $10,105
Tax assessor's market value: $4,088,000
Assessed value: $245,280

Assessment History for 371 Union Street, Brooklyn

Here's the assessment & property tax history for 371 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 $3,857,000 $231,420 $50,349 19.843% $9,991 $9,991 +3.82%
2024/25 $3,687,000 $221,220 $47,913 20.085% $9,623 $9,623 +23.82%
2023/24 $2,907,000 $174,420 $38,695 20.085% $7,772 $7,772 -1.10%
2022/23 $3,185,000 $191,100 $38,695 20.309% $7,859 $7,859 +7.71%
2021/22 $2,961,000 $177,660 $36,547 19.963% $7,296 $7,296 -3.88%

Permits for 371 Union Street, Brooklyn

The complete history of permits filed for 371 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
02/10/2026 Alteration
04/08/2025 Alteration CO
10/15/2024 Alteration
09/13/2024 Alteration
08/05/2024 Alteration
08/01/2024 Alteration
07/30/2024 Alteration CO
02/09/2024 Alteration
09/27/2023 Alteration
09/27/2023 Alteration
Unlock the complete permit history for 371 Union Street, Brooklyn with a free account.
Sign up

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)
Hurricane evacuation zone: 6 (See more on map)

Transportation

Distance to Subway
Closest station Smith St & President St at NE Corner
Station lines F-G
Distance (miles) 0.075
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 0.13
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.13
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.16
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.16
Hannah Senesh Community Day School NR No Private K-8 231 0.19

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 0.19
School For International Studies 5 No Public 6-12 782 0.23
Mary McDowell Friends School NR No Private 6-10 290 0.40
Brooklyn Heights Montessori School NR No Private PK-8 260 0.44
International School of Brooklyn NR No Private PK, K-8 0 0.44

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 0.18
School For International Studies 5 No Public 6-12 782 0.23
Digital Arts and Cinema Technology High School 8 No Public 9-12 331 0.23
Cobble Hill School of American Studies 1 No Public 9-12 316 0.26
Mary McDowell Friends School NR No Private 6-10 290 0.40

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

Neighbors for 371 Union Street, Brooklyn

Here are the neighbors for 371 Union Street, Brooklyn, NY 11231.

Address Square feet Purchase date Purchase price
367 Union St, Brooklyn 3,200 12/13/1981
297 Hoyt St, Brooklyn 3,292 06/09/2022
371 A Union St, Brooklyn 2,568 08/04/2008 $2,250,000
379 Union St, Brooklyn 3,960 10/21/2025
391 Union St, Brooklyn 3,200 09/19/2014 $1,669,000
361 Union St, Brooklyn 3,600 07/01/2025 $3,397,000
381 Union St, Brooklyn 3,960 04/13/2026 $7,000,000
369 Union St, Brooklyn 4,012 09/14/2021 $6,750,000
289 Hoyt St, Brooklyn 1,950 03/06/2000
389 Union St, Brooklyn 3,200 05/23/1986
377 Union St, Brooklyn 4,400 04/08/2022 $4,772,785
383 Union St, Brooklyn 2,700 04/29/2020
387 Union St, Brooklyn 2,748 10/09/2007
365 Union St, Brooklyn 3,200 02/28/1981
375 Union St, Brooklyn 4,164 10/21/2011
363 Union St, Brooklyn 4,080 12/29/2025
295 Hoyt St, Brooklyn 1,965 12/09/2013 $1,725,000
293 Hoyt St, Brooklyn 1,950 06/30/2021 $2,650,000
291 Hoyt St, Brooklyn 1,950 07/10/2012 $1,582,000
385 Union St, Brooklyn 2,748 05/28/2008
Not sure if we cover all the data-points you need? View sample full report View sample full report