New York City  »  11231  »  Union St  »  350 Union St

350 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 350 Union St

Property image for 350 Union Street, Brooklyn, NY 11231
static Mapbox map

Property type

Walk-up Cooperative Building (Other than Condominiums) (XC6)

Year built

1920

Lot sq. ft.

1,960

General information

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Address
Primary address
350 Union Street
ZIP code
11231
Neighborhood
Carroll Gardens
Borough
Brooklyn
Block & lot
00436-0017

Owner

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Building
Property type
Walk-up Cooperative Building (Other than Condominiums) (XC6)
Building sq. ft.
3,625
Building dimensions
20 ft x 45 ft
Buildings on lot
1
Stories
3
Year built
1920
Last altered
1983
Tax
Tax year
2026-2027
Property tax
$28,040
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
4
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
Union Street (narrow)
Nearest wide street
Hoyt Street
Distance to wide street
Lot dimensions
20 ft x 98 ft
Lot sq. ft.
1,960

Area overview

Walk score
99 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
97 /100.  Biker's Paradise
School district
15
Community district
6
Closest police station
0.39 Miles
Closest fire station
0.63 Miles

View more such as transportation, nearby schools and risk designations.

Units for 350 Union Street, Brooklyn, NY

Unit Sale date Sale price
Unit 2 09/23/2021
Unit 3 10/07/2022
Unit 4 01/08/2018
Ownership

Ownership information for 350 Union Street, Brooklyn, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 350 Union Street, Brooklyn, NY 11231

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
04/18/2016 - R
05/07/2015 - D		 Termination of Assign of L&R
(2016041501176001)		 XXX XXXXX XXXXXX XXXX XXXXXXXXX XXXX
04/15/2016 - R
05/07/2015 - D		 Satisfaction of Mortgage
(2016041500939001)		 XXX XXXXX XXXXXX XXXX XXXXXXXXX XXXX
03/01/2011 - R
02/23/2011 - D		 Initial UCC1
(2011022301136001)		 XXX XXXXX XXXXXX XXX X XXXXXXXXX XXXX
06/27/2005 - R
05/31/2005 - D		 Assignment of Leases and Rents
(2005062101929003)		 XXXXXXXXXXXX XXXXXXXXX XXXX XXX XXXXX XXXXXX XXXX
06/27/2005 - R
05/31/2005 - D		 Agreement
(2005062101929002)		 XXXXXXXXXXXX XXXXXXXXX XXXX XXX XXXXX XXXXXX XXXX
06/27/2005 - R
05/31/2005 - D		 Mortgage
(2005062101929001)		 XXX XXXXX XXXXXX XXXX XXXXXXXXXXXX XXXXXXXXX XXXX
08/26/2005 - R
05/31/2005 - D		 Initial UCC1
(2005060600229001)		 XXX XXXXX XXXXXX XXXX XXXXXXXXXXXX XXXXXXXXX XXXX
07/05/2000 - R Initial Coop UCC1
(3070007231207)		 XXXX XXXXXX X XXXXXXXX XX
05/02/2000 - R Mortgage
(3090007205009)		 XXX XXXXXX XXX XXX XXXX XXXX XXXXXXX XXXXXXXXXXX XXXXXXXXXXX
01/29/1999 - R Initial Coop UCC1
(3070006435407)		 XXXX XXXXXX X XXXXXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 350 Union Street, Brooklyn, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$28,040
Municipal exemptions
Recent tax assessments
Market value
$2,586,000
Assessed value
$1,163,700

More about New York City property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $2,438,000 $1,097,100 $277,787 12.439% $35,124 $28,471 +2.52%
2024/25 $2,031,600 $914,220 $269,308 12.5% $34,201 $27,772 +7.83%
2023/24 $1,693,000 $761,850 $248,705 12.502% $31,673 $25,754 +19.11%
2022/23 $1,411,000 $634,950 $229,800 12.267% $28,776 $21,622 +11.42%
2021/22 $1,129,000 $508,050 $212,285 12.235% $26,575 $19,405 -24.68%
2020/21 $1,096,000 $493,200 $210,035 12.267% $26,645 $25,765 +1.52%
2019/20 $913,200 $410,940 $203,478 12.473% $26,252 $25,380 +8.73%
2018/19 $761,000 $342,450 $185,081 12.612% $24,578 $23,342 +7.12%
2017/18 $645,000 $290,250 $171,326 12.719% $22,951 $21,791 +7.22%
2016/17 $606,000 $272,700 $157,641 12.892% $21,540 $20,323 +0.04%
Permits

Permit information for 350 Union Street, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
10/12/2001 Alteration type 3

*Most recent permit on record for this property.

More about New York City property records

Violations

HPD Violations

Violation ID Inspection date Class NOV issue date Status
11/15/2016 I
02/25/2015 I

*Most recent HPD violations on record for this property.

Neighborhood

Carroll Gardens, Columbia, RedHook residential market stats

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

Median sale price

—

Median price/sq. ft.

—

Brooklyn median sale price

$899,000

6% Y-o-Y

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

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Smith St & President St at NE Corner
Station lines
F-G
Distance (miles)
0.046
View subway map

Access the detailed traffic volume map for 350 Union Street, Brooklyn, NY 11231 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic 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 0.12
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.12
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.13
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.13
Hannah Senesh Community Day School NR No Private K-8 231 0.16
Pache Montessori NR No Private PK-K 122 0.24
Pache Montessori NR No Private PK-K 122 0.24
Success Academy Cobble Hill 9 No Charter K-4 401 0.27
International School of Brooklyn NR No Private PK, K-8 0 0.41
International School of Brooklyn NR No Private PK, K-8 0 0.41
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 0.16
School For International Studies 5 No Public 6-12 782 0.27
International School of Brooklyn NR No Private PK, K-8 0 0.41
International School of Brooklyn NR No Private PK-8 369 0.41
Mary McDowell Friends School NR No Private 6-10 290 0.43
Brooklyn Heights Montessori School NR No Private PK-8 260 0.47
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.47
P.S. 372 The Children S School NR No Public PK, K-8 436 0.52
Pave Academy Charter School 5 No Charter K-8 473 0.67
Summit Academy Charter School 5 No Charter 6-12 203 0.67
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 0.21
School For International Studies 5 No Public 6-12 782 0.27
Digital Arts and Cinema Technology High School 8 No Public 9-12 331 0.27
Cobble Hill School of American Studies 1 No Public 9-12 316 0.29
Mary McDowell Friends School NR No Private 6-10 290 0.43
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.47
Al-Madinah School NR No Private PK-12 790 0.54
Brooklyn Frontiers High School 3 No Public 9-12 145 0.65
Summit Academy Charter School 5 No Charter 6-12 203 0.67
P.S. 369 Coy L Cox School NR No Public K-12 487 0.67

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 350 Union Street, Brooklyn, NY

360 Union St, Brooklyn 378 Union St, Brooklyn 348 Union St, Brooklyn 340 Union St, Brooklyn 368 Union St, Brooklyn 374 Union St, Brooklyn 307 Smith St, Brooklyn 313 Smith St, Brooklyn 338 Union St, Brooklyn 354 Union St, Brooklyn 356 Union St, Brooklyn 344 Union St, Brooklyn 309 Smith St, Brooklyn 352 Union St, Brooklyn 376 Union St, Brooklyn 362 Union St, Brooklyn 380 Union St, Brooklyn 346 Union St, Brooklyn 342 Union St, Brooklyn 311 Smith St, Brooklyn

Nearby ZIP codes for 350 Union Street, Brooklyn, NY

10002, New York City, NY 10004, New York City, NY 10005, New York City, NY 10006, New York City, NY 10007, New York City, NY 10038, New York City, NY 10271, New York City, NY 10278, New York City, NY 10279, New York City, NY 10280, New York City, NY 10282, New York City, NY 11201, New York City, NY 11205, New York City, NY 11215, New York City, NY 11217, New York City, NY 11218, New York City, NY 11219, New York City, NY 11220, New York City, NY 11232, New York City, NY 11238, New York City, NY

Frequently asked questions

What is the year built for 350 Union Street, Brooklyn, NY 11231?

The development at 350 Union Street, Brooklyn, NY 11231 was built in 1920.

What is the total square footage of 350 Union Street, Brooklyn, NY 11231?

350 Union Street, Brooklyn, NY 11231 has a total of 3,625 square feet.

What is the assessed value of 350 Union Street, Brooklyn, NY 11231?

350 Union Street, Brooklyn, NY 11231 is currently assessed at $1,163,700.

What are the property taxes for 350 Union Street, Brooklyn, NY 11231?

The property taxes for 350 Union Street, Brooklyn, NY 11231 total $34,026.

How many residential units does this building have?

This building has 4 residential unit(s).

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