New York City  »  11231  »  Union St  »  401 Union St

401 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 401 Union St

Property image for 401 Union Street, Brooklyn, NY 11231
static Mapbox map

Property type

Two Family Brick (B1)

Year built

1899

Lot sq. ft.

1,740

General information

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Address
Primary address
401 Union Street
ZIP code
11231
Neighborhood
Carroll Gardens
Borough
Brooklyn
Block & lot
00429-0051

Owner

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Building
Property type
Two Family Brick (B1)
Building sq. ft.
3,094
Building dimensions
19.33 ft x 40 ft
Buildings on lot
1
Stories
3
Year built
1899
Building material
Brick
Exterior wall
Brick/Masonary
Basement
4
Tax
Tax year
2026-2027
Property tax
$11,122
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
2
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
19.33 ft x 90 ft
Lot sq. ft.
1,740

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
0.45 Miles
Closest fire station
0.62 Miles

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

Ownership

Ownership information for 401 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 401 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
03/18/2026 - R
03/17/2025 - D		 Deed
(2025030600963001)		 XXXXXX XX XXXXX XXXXXXXX XXXXXXXX XXXXX
06/24/2003 - R
04/25/2003 - D		 Satisfaction of Mortgage
(2003042800043001)		 XXXXXXXX XXXXX
02/21/2001 - R Mortgage
(3290007532029)		 XXXX XXX XXXX XXXXXXXXXXXX XXXXXXX XXXXX XXXXXXX
08/18/1997 - R Mortgage
(3640005725064)		 XXXXXXXX XXXXXX XXXXXXXXX XXXXXXX XXXX
01/08/1993 - R Satisfaction of Mortgage
(3060001741506)		 XXXXXXXX XXXXXX XXXXXX XXXXXXX XXXXXXX
05/22/1989 - R Assignment, Mortgage
(3580001455358)		 XXXXXXXXXXX XXXXXXXXXXX XXXXXXXX XXXXXXX XXXX XX
05/22/1989 - R Assignment, Mortgage
(3570001455357)		 XXXXXX XXXXXXX XXXXXXX XXXXXXXXXXX XXXXXXXXXXX
02/21/1986 - R Mortgage
(3410001146641)		 XXXXXXXX XXXXXX
12/07/1978 - R Deed
(37830103900850)		 XXXXXXXX XXXXXX XXXXXXXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 401 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
$11,122
Municipal exemptions
Recent tax assessments
Market value
$4,005,000
Assessed value
$240,300

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 $4,580,000 $274,800 $52,876 19.843% $10,492 $10,492 +3.42%
2024/25 $4,097,000 $245,820 $50,512 20.085% $10,145 $10,145 +4.44%
2023/24 $3,621,000 $217,260 $48,363 20.085% $9,714 $9,714 +1.98%
2022/23 $3,158,000 $189,480 $46,903 20.309% $9,822 $9,526 +2.63%
2021/22 $3,464,000 $207,840 $46,491 19.963% $9,568 $9,281 +30.16%
2020/21 $3,235,000 $194,100 $33,881 21.045% $7,427 $7,130 +5.53%
2019/20 $3,044,000 $182,640 $31,921 21.167% $7,053 $6,757 +7.41%
2018/19 $4,075,000 $244,500 $30,070 20.919% $6,596 $6,290 +2.65%
2017/18 $3,024,000 $181,440 $30,060 20.385% $6,427 $6,128 +3.49%
2016/17 $2,279,000 $136,740 $29,620 19.991% $6,231 $5,921 +8.81%
Permits

Permit information for 401 Union Street, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
03/16/2010 Alteration type 1
12/01/2009 Alteration type 1
12/01/2009 Alteration type 1
12/01/2009 Alteration type 1

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

No recently recorded violations 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

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FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
6

Subway & traffic

Closest station
Smith St & President St at NE Corner
Station lines
F-G
Distance (miles)
0.116
View subway map

Access the detailed traffic volume map for 401 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 0.07
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.07
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.20
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.20
Hannah Senesh Community Day School NR No Private K-8 231 0.22
Pache Montessori NR No Private PK-K 122 0.27
Pache Montessori NR No Private PK-K 122 0.27
Success Academy Cobble Hill 9 No Charter K-4 401 0.27
Rivendell School NR No Private PK-K 103 0.42
Rivendell School NR No Private PK-K 103 0.42
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 0.27
Mary McDowell Friends School NR No Private 6-10 290 0.42
International School of Brooklyn NR No Private PK, K-8 0 0.46
International School of Brooklyn NR No Private PK-8 369 0.46
Brooklyn Heights Montessori School NR No Private PK-8 260 0.47
P.S. 372 The Children S School NR No Public PK, K-8 436 0.47
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.54
P.S. 369 Coy L Cox School NR No Public K-12 487 0.62
The Math And Science Exploratory School 7 No Public 6-8 522 0.64
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 0.26
Digital Arts and Cinema Technology High School 8 No Public 9-12 331 0.27
School For International Studies 5 No Public 6-12 782 0.27
Mary McDowell Friends School NR No Private 6-10 290 0.42
Al-Madinah School NR No Private PK-12 790 0.51
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.54
P.S. 369 Coy L Cox School NR No Public K-12 487 0.62
Brooklyn Frontiers High School 3 No Public 9-12 145 0.63
Brooklyn High School of the Arts 5 No Public 9-12 927 0.64

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

Neighbors for 401 Union Street, Brooklyn, NY

399 A Union St, Brooklyn 399 Union St, Brooklyn 395 Union St, Brooklyn 391 Union St, Brooklyn 405 Union St, Brooklyn 292 Hoyt St, Brooklyn 393 Union St, Brooklyn 403 Union St, Brooklyn 294 Hoyt St, Brooklyn 290 Hoyt St, Brooklyn 389 Union St, Brooklyn 413 Union St, Brooklyn 296 Hoyt St, Brooklyn 387 Union St, Brooklyn 383 Union St, Brooklyn 409 Union St, Brooklyn 411 Union St, Brooklyn 397 Union St, Brooklyn 407 Union St, Brooklyn 385 Union St, Brooklyn

Nearby ZIP codes for 401 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 401 Union Street, Brooklyn, NY 11231?

The development at 401 Union Street, Brooklyn, NY 11231 was built in 1899.

What is the total square footage of 401 Union Street, Brooklyn, NY 11231?

401 Union Street, Brooklyn, NY 11231 has a total of 3,094 square feet.

What is the assessed value of 401 Union Street, Brooklyn, NY 11231?

401 Union Street, Brooklyn, NY 11231 is currently assessed at $240,300.

What are the property taxes for 401 Union Street, Brooklyn, NY 11231?

The property taxes for 401 Union Street, Brooklyn, NY 11231 total $11,121.

How many residential units does this building have?

This building has 2 residential unit(s).

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