New York City » 11231 » Union St » 210 Union St

210 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 210 Union St

Property image for 210 Union Street, Brooklyn, NY 11231

Property type

Three Families (C0)

Year built

1900

Lot sq. ft.

2,250

Sale price

$4,999,999

General information

Address

Primary address

210 Union Street

ZIP code

11231

Neighborhood

Carroll Gardens

Borough

Brooklyn

Block & lot

00344-0017

Building

Property type

Three Families (C0)

Building sq. ft.

3,600

Building dimensions

22.5 ft x 40 ft

Buildings on lot

Stories

Year built

1900

Building material

Brick

Exterior wall

Brick/Masonary

Basement

Sales

Sale date

05/18/2026

Sale price

$4,999,999

Tax

Tax year

2026-2027

Property tax

$15,536

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Qualified opportunity zone

Residential units

Residential sq. ft.

Commercial units

Office sq. ft.

Retail sq. ft.

Lot

Frontage(s)

Union Street (narrow)

Nearest wide street

Brooklyn Queens Expressway

Distance to wide street

Lot dimensions

22.5 ft x 100 ft

Lot sq. ft.

2,250

Area overview

Walk score

97 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

99 /100. Biker's Paradise

School district

Community district

Closest police station

0.07 Miles

Closest fire station

0.37 Miles

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

Ownership

Ownership information for 210 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 210 Union Street, Brooklyn, NY 11231

Sale date	Sale price	Buyer name	Seller name
05/18/2026	$4,999,999	XXXXXXX, XXXXXXX XXX XXXXXXX, XXXX	XX XXX XXXXX XXXXXX XXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
05/26/2026 - R 05/18/2026 - D	Agreement (2026052000610005)	XXXXXXX XXXXXXX	XXXXXXXX XXXXX XXXX X X
05/26/2026 - R 05/18/2026 - D	Mortgage (2026052000610004)	XXXXXXX XXXXXXX	XXXXXXXX XXXXX XXXX X X
05/26/2026 - R 05/18/2026 - D	Deed (2026052000610002)	XX XXX XXXXX XXXXXX XXX	XXXXXXX XXXXXXX
05/26/2026 - R 04/18/2026 - D	Power of Attorney (2026052000610001)	XXXXXXX XXXXXXX	XXXXXXXX XXXXXX
05/26/2026 - R 04/16/2026 - D	Assignment, Mortgage (2026052000610003)	XXXXX XXXXXXX XXXXXXXXXXX	XXXXXXXX XXXXX XXXX X X
03/05/2025 - R 01/30/2025 - D	Mortgage (2025030400967001)	XX XXX XXXXX XXXXXX XXX	XXXXX XXXXXXX XXXXXXXXXXX
08/21/2023 - R 08/14/2023 - D	Satisfaction of Mortgage (2023081700774001)	XX XXX XXXXX XXXXXX XXX	XXXXXXXX XX
02/19/2021 - R 02/05/2021 - D	Mortgage (2021021600436001)	XX XXX XXXXX XXXXXX XXX	XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
11/13/2018 - R 11/01/2018 - D	Satisfaction of Mortgage (2018110200014001)	XXXXXX XXXXXX X	XXXXXXXX X X
09/14/2018 - R	UCC3 Termination (2018091400544001)	XXXXXX XXXXXX X	XXXXXX XXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 210 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

$15,536

Municipal exemptions

Recent tax assessments

Market value

$5,766,000

Assessed value

$345,960

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	$4,385,000	$263,100	$73,865	19.843%	$14,657	$14,657	+4.72%
2024/25	$4,857,000	$291,420	$69,684	20.085%	$13,996	$13,996	0.00%
2023/24	$5,208,000	$312,480	$69,684	20.085%	$13,996	$13,996	-0.35%
2022/23	$4,192,000	$251,520	$69,158	20.309%	$14,045	$14,045	+7.83%
2021/22	$3,750,000	$225,000	$65,246	19.963%	$13,025	$13,025	+0.55%
2020/21	$4,547,000	$272,820	$61,554	21.045%	$12,954	$12,954	+5.39%
2019/20	$4,055,000	$243,300	$58,070	21.167%	$12,292	$12,292	+1.19%
2018/19	$3,381,000	$202,860	$58,070	20.919%	$12,148	$12,148	+3.40%
2017/18	$3,308,000	$198,480	$57,632	20.385%	$11,748	$11,748	+8.08%
2016/17	$3,368,000	$202,080	$54,372	19.991%	$10,870	$10,870	+8.37%

Permits

Permit information for 210 Union Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
08/11/1998	Alteration type 2

*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
	05/06/2026	A
	11/20/2025	I
	06/11/2025	A

*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

FEMA flood zones

Hurricane evacuation zones

Subway & traffic

Closest station

Smith St & President St at NW Corner

Station lines

F-G

Distance (miles)

0.276

View subway map

Access the detailed traffic volume map for 210 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	0.44
P.S. 32 Samuels Mills Sprole	6	Yes	Public	PK, K-5	452	0.44
Pache Montessori	NR	No	Private	PK-K	122	0.21
Pache Montessori	NR	No	Private	PK-K	122	0.21
P.S. 58 The Carroll	8	No	Public	PK, K-5	751	0.26
P.S. 58 The Carroll	8	No	Public	PK, K-5	751	0.26
P.S. 29 John M Harrigan	9	No	Public	PK, K-5	721	0.27
P.S. 29 John M Harrigan	9	No	Public	PK, K-5	721	0.27
Hannah Senesh Community Day School	NR	No	Private	K-8	231	0.30
Brooklyn New School-PS 146 (The)	7	No	Public	PK, K-5	649	0.30

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	0.30
Brooklyn Secondary School For Collaborative Studie	6	No	Public	6-12	671	0.30
School For International Studies	5	No	Public	6-12	782	0.31
Mary McDowell Friends School	NR	No	Private	6-10	290	0.45
International School of Brooklyn	NR	No	Private	PK, K-8	0	0.45
International School of Brooklyn	NR	No	Private	PK-8	369	0.45
Brooklyn Heights Montessori School	NR	No	Private	PK-8	260	0.47
Summit Academy Charter School	5	No	Charter	6-12	203	0.49
Pave Academy Charter School	5	No	Charter	K-8	473	0.56
P.S. 372 The Children S School	NR	No	Public	PK, K-8	436	0.84

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
Brooklyn Secondary School For Collaborative Studie	6	No	Public	6-12	671	0.30
School For International Studies	5	No	Public	6-12	782	0.31
Digital Arts and Cinema Technology High School	8	No	Public	9-12	331	0.31
Cobble Hill School of American Studies	1	No	Public	9-12	316	0.45
Mary McDowell Friends School	NR	No	Private	6-10	290	0.45
New Dawn Charter High School	2	No	Charter	9-12	233	0.46
Summit Academy Charter School	5	No	Charter	6-12	203	0.49
Brooklyn Frontiers High School	3	No	Public	9-12	145	0.70
Packer Collegiate Institute	NR	No	Private	PK-12	1,024	0.74
Al-Madinah School	NR	No	Private	PK-12	790	0.82

Frequently asked questions

What is the year built for 210 Union Street, Brooklyn, NY 11231?

The development at 210 Union Street, Brooklyn, NY 11231 was built in 1900.

What is the total square footage of 210 Union Street, Brooklyn, NY 11231?

210 Union Street, Brooklyn, NY 11231 has a total of 3,600 square feet.

When was 210 Union Street, Brooklyn, NY 11231 last sold and what was the sale price?

210 Union Street, Brooklyn, NY 11231 was last sold on 05/18/2026 for $4,999,999.

What is the assessed value of 210 Union Street, Brooklyn, NY 11231?

210 Union Street, Brooklyn, NY 11231 is currently assessed at $345,960.

What are the property taxes for 210 Union Street, Brooklyn, NY 11231?

The property taxes for 210 Union Street, Brooklyn, NY 11231 total $15,536.

How many residential units does this building have?

This building has 3 residential unit(s).

Disclaimer

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.