New York City » 11231 » Union St » 304 Union St

304 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 304 Union St

Property image for 304 Union Street, Brooklyn, NY 11231

Property type

Two Family Brick (B1)

Year built

1920

Lot sq. ft.

2,200

Sale price

$3,235,000

General information

Address

Primary address

304 Union Street

ZIP code

11231

Neighborhood

Carroll Gardens

Borough

Brooklyn

Block & lot

00435-0015

Building

Property type

Two Family Brick (B1)

Building sq. ft.

3,300

Building dimensions

22 ft x 50 ft

Buildings on lot

Stories

Year built

1920

Last altered

2008

Building material

Brick

Exterior wall

Brick/Masonary

Basement

Sales

Sale date

07/12/2010

Sale price

$3,235,000

Tax

Tax year

2026-2027

Property tax

$20,616

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Residential units

Residential sq. ft.

Lot

Frontage(s)

Union Street (narrow)
President Street (narrow)

Nearest wide street

Court Street

Distance to wide street

Lot dimensions

22 ft x 100 ft

Lot sq. ft.

2,200

Area overview

Walk score

98 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

96 /100. Biker's Paradise

School district

Community district

Closest police station

0.28 Miles

Closest fire station

0.53 Miles

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

Ownership

Ownership information for 304 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 304 Union Street, Brooklyn, NY 11231

Sale date	Sale price	Buyer name	Seller name
07/12/2010	$3,235,000	XXXXXXX, XXXXXX X	XXXXX, XXXXXXXXX X XXX XXXXXX, XXXXXXX
05/01/2006	$1,700,000	XXXXXX, XXXXXXX XXX XXXXX, XXXXXXXXX X	XXXXXXX, XXXXXXXXXX XXX XXXXX, XXXXXXXX XXX XXXXXX, XXXXXX XXX XXXXXX, XXXXXXX X XXX XXXXXX, XXXXX

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
04/24/2013 - R 03/12/2013 - D	Deed (2013032800631001)	XXXXXXX XXXXXX X	XXXXXXX XXXXXX X
01/12/2011 - R 12/23/2010 - D	Mortgage (2011010700328002)	XXXXXXX XXXXXX X	XXXXXXXX XXXXX XXXX X X
01/12/2011 - R 12/17/2010 - D	Power of Attorney (2011010700328001)	XXXXXXX XXXXXX X	XXXXX XXXXX
07/30/2010 - R 07/23/2010 - D	Satisfaction of Mortgage (2010072701217001)	XXXXX XXXXXXXXX X	XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XX X
07/19/2010 - R 07/12/2010 - D	Deed (2010071400541003)	XXXXX XXXXXXXXX X	XXXXXXX XXXXXX X
07/19/2010 - R 07/12/2010 - D	Power of Attorney (2010071400541002)	XXXXXX XXXXXXX	XXXXX XXXX
07/19/2010 - R 07/12/2010 - D	Power of Attorney (2010071400541001)	XXXXX XXXXXXXXX X	XXXXX XXXX
12/01/2009 - R 11/22/2009 - D	Satisfaction of Mortgage (2009112300155001)	XXXXX XXXXXXXXX X	XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XX X
11/24/2009 - R 11/10/2009 - D	Agreement (2009111200372004)	XXXXXX XXXXXXX	XXXXXXXXX XXXXXXX XXXX
11/24/2009 - R 11/10/2009 - D	Mortgage (2009111200372003)	XXXXXX XXXXXXX	XXXXXXXXX XXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 304 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

$20,616

Municipal exemptions

Recent tax assessments

Market value

$4,075,000

Assessed value

$244,500

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	$4,679,000	$280,740	$98,016	19.843%	$19,449	$19,449	+9.01%
2024/25	$3,696,000	$221,760	$98,016	20.085%	$19,687	$17,841	+0.83%
2023/24	$3,402,000	$204,120	$97,282	20.085%	$19,539	$17,694	+5.36%
2022/23	$3,103,000	$186,180	$91,776	20.309%	$18,639	$16,794	+8.77%
2021/22	$3,340,000	$200,400	$86,581	19.963%	$17,284	$15,439	-10.18%
2020/21	$3,379,000	$202,740	$81,680	21.045%	$17,190	$17,190	-0.58%
2019/20	$3,179,000	$190,740	$81,680	21.167%	$17,289	$17,289	+1.95%
2018/19	$4,159,000	$249,540	$81,068	20.919%	$16,959	$16,959	+8.78%
2017/18	$3,862,000	$231,720	$76,480	20.385%	$15,590	$15,590	+8.09%
2016/17	$2,861,000	$171,660	$72,151	19.991%	$14,424	$14,424	+8.37%

Permits

Permit information for 304 Union Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
07/28/2026	Alteration
07/24/2026	Alteration
07/22/2026	Alteration
02/14/2020	Alteration
10/23/2019	Alteration

*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

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)

0.071

View subway map

Access the detailed traffic volume map for 304 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	0.23
P.S. 32 Samuels Mills Sprole	6	Yes	Public	PK, K-5	452	0.23
P.S. 58 The Carroll	8	No	Public	PK, K-5	751	0.11
P.S. 58 The Carroll	8	No	Public	PK, K-5	751	0.11
Pache Montessori	NR	No	Private	PK-K	122	0.16
Pache Montessori	NR	No	Private	PK-K	122	0.16
Hannah Senesh Community Day School	NR	No	Private	K-8	231	0.16
Success Academy Cobble Hill	9	No	Charter	K-4	401	0.23
P.S. 29 John M Harrigan	9	No	Public	PK, K-5	721	0.36
P.S. 29 John M Harrigan	9	No	Public	PK, K-5	721	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	0.16
School For International Studies	5	No	Public	6-12	782	0.23
Mary McDowell Friends School	NR	No	Private	6-10	290	0.40
Brooklyn Secondary School For Collaborative Studie	6	No	Public	6-12	671	0.40
International School of Brooklyn	NR	No	Private	PK, K-8	0	0.40
International School of Brooklyn	NR	No	Private	PK-8	369	0.41
Brooklyn Heights Montessori School	NR	No	Private	PK-8	260	0.44
Summit Academy Charter School	5	No	Charter	6-12	203	0.60
Pave Academy Charter School	5	No	Charter	K-8	473	0.62
P.S. 372 The Children S School	NR	No	Public	PK, K-8	436	0.63

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
Digital Arts and Cinema Technology High School	8	No	Public	9-12	331	0.23
School For International Studies	5	No	Public	6-12	782	0.23
New Dawn Charter High School	2	No	Charter	9-12	233	0.27
Cobble Hill School of American Studies	1	No	Public	9-12	316	0.31
Mary McDowell Friends School	NR	No	Private	6-10	290	0.40
Brooklyn Secondary School For Collaborative Studie	6	No	Public	6-12	671	0.40
Summit Academy Charter School	5	No	Charter	6-12	203	0.60
Al-Madinah School	NR	No	Private	PK-12	790	0.63
Brooklyn Frontiers High School	3	No	Public	9-12	145	0.64
P.S. 369 Coy L Cox School	NR	No	Public	K-12	487	0.72

Frequently asked questions

What is the year built for 304 Union Street, Brooklyn, NY 11231?

The development at 304 Union Street, Brooklyn, NY 11231 was built in 1920.

What is the total square footage of 304 Union Street, Brooklyn, NY 11231?

304 Union Street, Brooklyn, NY 11231 has a total of 3,300 square feet.

When was 304 Union Street, Brooklyn, NY 11231 last sold and what was the sale price?

304 Union Street, Brooklyn, NY 11231 was last sold on 07/12/2010 for $3,235,000.

What is the assessed value of 304 Union Street, Brooklyn, NY 11231?

304 Union Street, Brooklyn, NY 11231 is currently assessed at $244,500.

What are the property taxes for 304 Union Street, Brooklyn, NY 11231?

The property taxes for 304 Union Street, Brooklyn, NY 11231 total $20,616.

How many residential units does this building have?

This building has 2 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.