New York City » 11215 » Union St » 638 Union St

638 Union Street, Brooklyn, NY 11215 - Property report

Also known as: 638 Union St

Property image for 638 Union Street, Brooklyn, NY 11215

Property type

Two Family Brick (B1)

Year built

1901

Lot sq. ft.

1,568

Sale price

$2,700,000

General information

Address

Primary address

638 Union Street

ZIP code

11215

Neighborhood

Park Slope

Borough

Brooklyn

Block & lot

00955-0017

Building

Property type

Two Family Brick (B1)

Building sq. ft.

1,968

Building dimensions

16.5 ft x 40 ft

Buildings on lot

Stories

Year built

1901

Building material

Brick

Exterior wall

Brick/Masonary

Basement

Sales

Sale date

09/27/2023

Sale price

$2,700,000

Tax

Tax year

2026-2027

Property tax

$5,267

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 (wide)

Distance to wide street

Lot dimensions

16.5 ft x 95 ft

Lot sq. ft.

1,568

Area overview

Walk score

99 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

93 /100. Biker's Paradise

School district

Community district

Closest police station

0.49 Miles

Closest fire station

0.33 Miles

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

Ownership

Ownership information for 638 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 638 Union Street, Brooklyn, NY 11215

Sale date	Sale price	Buyer name	Seller name
09/27/2023	$2,700,000	XXXXXXX XXXXX, XXXXXXXXX XXX XXXXXX, XXXXXXXX	XXXXXX, XXXXX
07/26/2011	$1,200,000	XXX, XXXXX X XXX XXXXXX, XXXXX	XXXXXXXX, XXXXXX

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
09/30/2025 - R 04/29/2025 - D	Deed (2025081401052001)	XXXXX XXXXXXXXX XXXXXXX	XXXXXXXXX XXXXXXXX XXX
10/16/2023 - R 10/03/2023 - D	Satisfaction of Mortgage (2023100200259001)	XXX XXXXX X	XXX XXXXXXXX XXXXXXX XXX
10/06/2023 - R 09/27/2023 - D	Mortgage (2023100200816004)	XXXXXXX XXXXX XXXXXXXXX	XXXXX XXXXX XXXX X X
10/06/2023 - R 09/27/2023 - D	Deed (2023100200816003)	XXXXXX XXXXX	XXXXXXX XXXXX XXXXXXXXX
10/06/2023 - R 08/29/2023 - D	Power of Attorney (2023100200816002)	XXXXXXX XXXXX XXXXXXXXX	XXXXXX XXXXXXX
10/06/2023 - R 08/29/2023 - D	Power of Attorney (2023100200816001)	XXXXXX XXXXXXXX	XXXXXX XXXXXXX
11/20/2012 - R 10/24/2012 - D	Assignment, Mortgage (2012111300456002)	XXXXX XXXXX XXXX X X	XXX XXXXXXXX XXXXXXX XX X
11/20/2012 - R 10/15/2012 - D	Agreement (2012111300456004)	XXX XXXXX X	XXX XXXXXXXX XXXXXXX XX X
11/20/2012 - R 10/15/2012 - D	Mortgage (2012111300456003)	XXX XXXXX X	XXX XXXXXXXX XXXXXXX XX X
11/20/2012 - R 07/20/2012 - D	Assignment, Mortgage (2012111300456001)	XXX XXXXXXXX XXXXXXX XX X	XXXXX XXXXX XXXX X X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 638 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

$5,267

Municipal exemptions

Recent tax assessments

Market value

$2,599,000

Assessed value

$155,940

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	$2,237,000	$134,220	$25,043	19.843%	$4,969	$4,969	+4.64%
2024/25	$2,612,000	$156,720	$23,645	20.085%	$4,749	$4,749	0.00%
2023/24	$2,745,000	$164,700	$23,645	20.085%	$4,749	$4,749	-0.26%
2022/23	$2,677,000	$160,620	$23,444	20.309%	$4,761	$4,761	+7.82%
2021/22	$2,354,000	$141,240	$22,120	19.963%	$4,416	$4,416	+0.55%
2020/21	$2,617,000	$157,020	$20,869	21.045%	$4,392	$4,392	+5.30%
2019/20	$2,333,000	$139,980	$19,704	21.167%	$4,171	$4,171	+9.28%
2018/19	$2,245,000	$134,700	$18,244	20.919%	$4,122	$3,816	+3.62%
2017/18	$1,423,000	$85,380	$18,067	20.385%	$3,983	$3,683	+9.12%
2016/17	$1,674,000	$100,440	$16,883	19.991%	$3,685	$3,375	+9.17%

Permits

Permit information for 638 Union Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
09/14/2011	Alteration type 2

*Most recent permit on record for this property.

More about New York City property records

Violations

HPD Violations

No recently recorded violations for this property.

Neighborhood

Park Slope residential market stats

Access a detailed real estate market overview of Park Slope so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Park Slope and compare it to other neighborhoods in Brooklyn.

Median sale price

$1,619,646

12.4% Y-o-Y

Median price/sq. ft.

$1,514

6.4% Y-o-Y

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

4th Ave & Union St at SE Corner

Station lines

Distance (miles)

0.04

View subway map

Access the detailed traffic volume map for 638 Union Street, Brooklyn, NY 11215 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. 282 Park Slope	5	Yes	Public	PK, K-5	496	0.24
P.S. 282 Park Slope	5	Yes	Public	PK, K-5	496	0.24
P.S. 372 The Children S School	NR	No	Public	PK, K-8	436	0.16
P.S. 372 The Children S School	NR	No	Public	PK, K-8	436	0.16
Rivendell School	NR	No	Private	PK-K	103	0.18
Rivendell School	NR	No	Private	PK-K	103	0.18
P.S. 133 William A Butler	6	No	Public	PK, K-5	609	0.24
P.S. 133 William A Butler	6	No	Public	PK, K-5	609	0.24
Park Slope Christian Academy	NR	No	Private	PK, K-8	37	0.30
Park Slope Christian Academy	NR	No	Private	PK, K-8	37	0.30

Nearest middle schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
P.S. 372 The Children S School	NR	No	Public	PK, K-8	436	0.16
Park Slope Christian Academy	NR	No	Private	PK, K-8	37	0.30
Berkeley Carroll Elementary School	NR	No	Private	PK-12	940	0.30
St Francis Xavier School	NR	No	Private	PK-8	175	0.33
Ms 51 William Alexander	7	No	Public	6-8	1,026	0.34
P.S. 77	NR	No	Public	K-12	304	0.34
Ms 266 Park Place Community Middle School	4	No	Public	6-8	69	0.34
Al-Madinah School	NR	No	Private	PK-12	790	0.36
Berkeley Carroll School	NR	No	Private	PK-12	977	0.45
The Math And Science Exploratory School	7	No	Public	6-8	522	0.49

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
Berkeley Carroll Elementary School	NR	No	Private	PK-12	940	0.30
P.S. 77	NR	No	Public	K-12	304	0.34
Al-Madinah School	NR	No	Private	PK-12	790	0.36
Berkeley Carroll School	NR	No	Private	PK-12	977	0.45
Brooklyn High School of the Arts	5	No	Public	9-12	927	0.49
Cyberarts Studio Academy	2	No	Public	9-12	298	0.56
Millennium Brooklyn High School	10	No	Public	9-12	721	0.56
Park Slope Collegiate	4	No	Public	6-12	577	0.56
John Jay School for Law	3	No	Public	9-12	461	0.56
New Dawn Charter High School	2	No	Charter	9-12	233	0.60

Frequently asked questions

What is the year built for 638 Union Street, Brooklyn, NY 11215?

The development at 638 Union Street, Brooklyn, NY 11215 was built in 1901.

What is the total square footage of 638 Union Street, Brooklyn, NY 11215?

638 Union Street, Brooklyn, NY 11215 has a total of 1,968 square feet.

When was 638 Union Street, Brooklyn, NY 11215 last sold and what was the sale price?

638 Union Street, Brooklyn, NY 11215 was last sold on 09/27/2023 for $2,700,000.

What is the assessed value of 638 Union Street, Brooklyn, NY 11215?

638 Union Street, Brooklyn, NY 11215 is currently assessed at $155,940.

What are the property taxes for 638 Union Street, Brooklyn, NY 11215?

The property taxes for 638 Union Street, Brooklyn, NY 11215 total $5,267.

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.