New York City  »  11231  »  Union St  »  451 Union St

451 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 449 Union St

Property image for 451 Union Street, Brooklyn, NY 11231
static Mapbox map

Property type

Miscellaneous One Family (A9)

Year built

1910

Lot sq. ft.

5,783

General information

Unlock this property report with a free account

Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
451 Union Street
Alternate address(es)
449 Union St
453 Union St
ZIP code
11231
Neighborhood
Gowanus
Borough
Brooklyn
Block & lot
00430-0058

Owner

Find out who owns 451 Union Street, Brooklyn, NY 11231. Uncover corporate and individual owners with a free account.

Building
Property type
Miscellaneous One Family (A9)
Building sq. ft.
1,424
Building dimensions
16.67 ft x 38 ft
Buildings on lot
1
Stories
2
Year built
1910
Basement
4
Tax
Tax year
2026-2027
Property tax
$10,188
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
1
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
Union Street (narrow)
Sackett Street (narrow)
Nearest wide street
Hoyt Street
Distance to wide street
Lot dimensions
49.98 ft x 125 ft
Lot sq. ft.
5,783

Area overview

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

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

Ownership

Ownership information for 451 Union Street, Brooklyn, NY

Unlock full ownership info — get contact details, including phone numbers and emails for owners and the real people behind LLCs.

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

Sales history for 451 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
04/29/2021 - R
04/12/2021 - D		 Power of Attorney
(2021041300362002)		 XXXXXX XXXXXX XXXXX XXXXXX
04/29/2021 - R
04/12/2021 - D		 Deed
(2021041300362001)		 XXXXXX XXXXXX XXXXX XXXXXX
06/19/2007 - R
05/04/2007 - D		 Deed
(2007061301092001)		 XXXXXX XXXXXX XXXXX XXXXXX
02/09/1983 - R Vacate Order
(3430000946543)		 XXX XXXX XXXX XXXXXX XXXXX
03/17/1982 - R
03/12/1982 - D		 Deed
(3600000903660)		 XXXXXX XXXXXX XXXX XXXXX XXXXXX XXXXXXX
12/08/1978 - D
12/08/1978 - R		 Deed
(37830103901491)		 XXXXX XXXXXX XXXXXX XXXXXX XXXXXXXXXXX
11/11/1971 - D
11/11/1971 - R		 Deed
(37130051900937)		 XXXXX XXXXXX
03/10/1967 - D
03/10/1967 - R		 Deed
(36730037800055)

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 451 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
$10,188
Municipal exemptions
Recent tax assessments
Market value
$3,755,000
Assessed value
$225,300

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 $2,878,000 $172,680 $49,058 19.843% $9,735 $9,735 +3.84%
2024/25 $2,273,000 $136,380 $46,674 20.085% $9,374 $9,374 +5.35%
2023/24 $2,024,000 $121,440 $44,302 20.085% $8,898 $8,898 +0.73%
2022/23 $1,943,000 $116,580 $43,496 20.309% $8,834 $8,834 +3.43%
2021/22 $2,131,000 $127,860 $42,785 19.963% $8,541 $8,541 -0.73%
2020/21 $2,563,000 $153,780 $40,882 21.045% $8,604 $8,604 +4.50%
2019/20 $2,492,000 $149,520 $38,895 21.167% $8,233 $8,233 +6.60%
2018/19 $2,993,000 $179,580 $36,918 20.919% $7,723 $7,723 +4.52%
2017/18 $2,093,000 $125,580 $36,247 20.385% $7,389 $7,389 +3.67%
2016/17 $1,550,000 $93,000 $35,654 19.991% $7,128 $7,128 +6.99%
Permits

Permit information for 451 Union Street, Brooklyn, NY

No recently recorded permits 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

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
2

Subway & traffic

Closest station
Smith St & President St at NE Corner
Station lines
F-G
Distance (miles)
0.203
View subway map

Access the detailed traffic volume map for 451 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 0.06
P.S. 32 Samuels Mills Sprole 6 Yes Public PK, K-5 452 0.06
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.27
P.S. 58 The Carroll 8 No Public PK, K-5 751 0.27
Hannah Senesh Community Day School NR No Private K-8 231 0.28
Rivendell School NR No Private PK-K 103 0.32
Rivendell School NR No Private PK-K 103 0.32
Success Academy Cobble Hill 9 No Charter K-4 401 0.35
Pache Montessori NR No Private PK-K 122 0.36
Pache Montessori NR No Private PK-K 122 0.36
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 0.28
School For International Studies 5 No Public 6-12 782 0.35
P.S. 372 The Children S School NR No Public PK, K-8 436 0.38
Al-Madinah School NR No Private PK-12 790 0.44
Mary McDowell Friends School NR No Private 6-10 290 0.48
International School of Brooklyn NR No Private PK, K-8 0 0.50
International School of Brooklyn NR No Private PK-8 369 0.50
The Math And Science Exploratory School 7 No Public 6-8 522 0.58
P.S. 369 Coy L Cox School NR No Public K-12 487 0.59
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.62
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 0.17
Cobble Hill School of American Studies 1 No Public 9-12 316 0.30
School For International Studies 5 No Public 6-12 782 0.35
Digital Arts and Cinema Technology High School 8 No Public 9-12 331 0.35
Al-Madinah School NR No Private PK-12 790 0.44
Mary McDowell Friends School NR No Private 6-10 290 0.48
Brooklyn High School of the Arts 5 No Public 9-12 927 0.58
P.S. 369 Coy L Cox School NR No Public K-12 487 0.59
Brooklyn Secondary School For Collaborative Studie 6 No Public 6-12 671 0.62
Brooklyn Frontiers High School 3 No Public 9-12 145 0.66

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

Neighbors for 451 Union Street, Brooklyn, NY

431 Union St, Brooklyn 467 Union St, Brooklyn 441 Union St, Brooklyn 433 Union St, Brooklyn 429 Union St, Brooklyn 461 Union St, Brooklyn 471 Union St, Brooklyn 447 Union St, Brooklyn 437 Union St, Brooklyn 459 Union St, Brooklyn 445 Union St, Brooklyn 465 Union St, Brooklyn 439 Union St, Brooklyn 443 Union St, Brooklyn 455 Union St, Brooklyn 473 Union St, Brooklyn 435 Union St, Brooklyn 457 Union St, Brooklyn 463 Union St, Brooklyn 475 Union St, Brooklyn

Nearby ZIP codes for 451 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 451 Union Street, Brooklyn, NY 11231?

The development at 451 Union Street, Brooklyn, NY 11231 was built in 1910.

What is the total square footage of 451 Union Street, Brooklyn, NY 11231?

451 Union Street, Brooklyn, NY 11231 has a total of 1,424 square feet.

What is the assessed value of 451 Union Street, Brooklyn, NY 11231?

451 Union Street, Brooklyn, NY 11231 is currently assessed at $225,300.

What are the property taxes for 451 Union Street, Brooklyn, NY 11231?

The property taxes for 451 Union Street, Brooklyn, NY 11231 total $10,187.

How many residential units does this building have?

This building has 1 residential unit(s).

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account