Kings  »  11231  »  Union St  »  170 Union St

170 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 170 Union St

Property image for 170 Union Street, Brooklyn, NY 11231
static Mapbox map

Property type

Over Six Families without Stores (C1)

Year built

1900

Lot sq. ft.

2,950

General information

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Address
Primary address
170 Union Street
ZIP code
11231
Neighborhood
Carroll Gardens
Borough
Brooklyn
Block & lot
00343-0013

Owner

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Building
Property type
Over Six Families without Stores (C1)
Building sq. ft.
7,440
Building dimensions
30 ft x 62 ft
Buildings on lot
1
Stories
4
Year built
1900
Last altered
2017
Building material
Tax
Tax year
2026-2027
Property tax
$24,854
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
8
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
29.5 ft x 100 ft
Lot sq. ft.
2,950

Area overview

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

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

Ownership

Ownership information for 170 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 170 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
07/29/2024 - R
07/24/2024 - D		 Deed
(2024072500474001)		 XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXXX XXXXX
02/13/2019 - R
02/08/2019 - D		 Sundry Miscellaneous
(2019021200562001)		 XXXXXXXX XXXXX XXXX X X
01/24/2018 - R UCC3 Amendment
(2018012201089006)		 XXX XXXXXXXXX XXXXXX XXX XXXXXXXX XXXXX XXXX X X
01/24/2018 - R UCC3 Amendment
(2018012201089005)		 XXX XXXXXXXXX XXXXXX XXX XXXXXXXX XXXXX XXXX X X
01/24/2018 - R
01/11/2018 - D		 Release
(2018012201089004)		 XXXXXXXX XXXXX XXXX X X XXX XXXXXXXXX XXXXXX XXX
01/24/2018 - R
01/11/2018 - D		 Release
(2018012201089003)		 XXXXXXXX XXXXX XXXX X X XXX XXXXXXXXX XXXXXX XXX
01/24/2018 - R
01/11/2018 - D		 Partial Release of Mortgage
(2018012201089002)		 XXXXXXXX XXXXX XXXX X X XXX XXXXXXXXX XXXXXX XXX
01/24/2018 - R
01/11/2018 - D		 Partial Release of Mortgage
(2018012201089001)		 XXXXXXXX XXXXX XXXX X X XXX XXXXXXXXX XXXXXX XXX
11/03/2017 - R Initial UCC1
(2017110201250002)		 XXX XXXXXXXXX XXXXXX XXX XXXXXXXX XXXXX XXXX X X
11/03/2017 - R Initial UCC1
(2017110201250001)		 XXX XXXXXXXXX XXXXXX XXX XXXXXXXX XXXXX XXXX X X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 170 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
$24,854
Municipal exemptions
Recent tax assessments
Market value
$3,191,000
Assessed value
$1,435,950

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 $2,659,000 $1,196,550 $193,563 12.439% $24,077 $24,077 +7.46%
2024/25 $2,308,000 $1,038,600 $179,252 12.5% $22,407 $22,407 +8.19%
2023/24 $2,143,000 $964,350 $165,654 12.502% $20,710 $20,710 +10.05%
2022/23 $2,106,000 $947,700 $153,416 12.267% $18,820 $18,820 +0.26%
2021/22 $1,980,000 $891,000 $153,416 12.235% $18,770 $18,770 +2.96%
2020/21 $1,922,000 $864,900 $148,615 12.267% $18,231 $18,231 +6.22%
2019/20 $1,791,200 $806,040 $137,607 12.473% $17,164 $17,164 +6.80%
2018/19 $1,486,000 $668,700 $127,426 12.612% $16,071 $16,071 +7.07%
2017/18 $1,260,000 $567,000 $118,012 12.719% $15,010 $15,010 -1.34%
2016/17 $1,182,000 $531,900 $118,012 12.892% $15,214 $15,214 +3.30%
Permits

Permit information for 170 Union Street, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
02/22/2017 Alteration type 1

*Most recent permit on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
08/16/1993 Ll6291-local law 62/91 - boilers

*Most recent DOB violation on record for this property.

Neighborhood

Brooklyn commercial market stats

Review a detailed real estate market overview of Brooklyn and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Brooklyn and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$533

1.5% Y-o-Y

Q1 2026 median price/sq. ft.

$471

-8.9% Y-o-Y

2025 median price/sq. ft.

$523

5.2% 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
6

Subway & traffic

Closest station
Smith St & President St at NW Corner
Station lines
F-G
Distance (miles)
0.372
View subway map

Access the detailed traffic volume map for 170 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

Neighbors for 170 Union Street, Brooklyn, NY

172 Union St, Brooklyn 166 Union St, Brooklyn 162 Union St, Brooklyn 573 Hicks St, Brooklyn 180 Union St, Brooklyn 522 Henry St, Brooklyn 160 Union St, Brooklyn 575 Hicks St, Brooklyn 571 Hicks St, Brooklyn 174 Union St, Brooklyn 178 Union St, Brooklyn 522 A Henry St, Brooklyn 528 Henry St, Brooklyn 156 Union St, Brooklyn 577 Hicks St, Brooklyn 176 Union St, Brooklyn 526 Henry St, Brooklyn 164 Union St, Brooklyn 520 Henry St, Brooklyn 158 Union St, Brooklyn

Nearby ZIP codes for 170 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 170 Union Street, Brooklyn, NY 11231?

The development at 170 Union Street, Brooklyn, NY 11231 was built in 1900.

What is the total square footage of 170 Union Street, Brooklyn, NY 11231?

170 Union Street, Brooklyn, NY 11231 has a total of 7,440 square feet.

What is the assessed value of 170 Union Street, Brooklyn, NY 11231?

170 Union Street, Brooklyn, NY 11231 is currently assessed at $1,435,950.

What are the property taxes for 170 Union Street, Brooklyn, NY 11231?

The property taxes for 170 Union Street, Brooklyn, NY 11231 total $24,853.

How many residential units does this building have?

This building has 8 residential unit(s).

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