New York City » 11215 » Union St » 877 Union St

877 Union Street, Brooklyn, NY 11215 - Property report

Also known as: 877 Union St

Property image for 877 Union Street, Brooklyn, NY 11215

Property type

Two Family Converted from One Family (B3)

Year built

1899

Lot sq. ft.

1,995

Sale price

$4,600,000

General information

Address

Primary address

877 Union Street

ZIP code

11215

Neighborhood

Park Slope

Borough

Brooklyn

Block & lot

01063-0065

Building

Property type

Two Family Converted from One Family (B3)

Building sq. ft.

4,032

Building dimensions

21 ft x 48 ft

Buildings on lot

Stories

Year built

1899

Building material

Brick

Exterior wall

Brick/Masonary

Basement

Sales

Sale date

12/11/2024

Sale price

$4,600,000

Tax

Tax year

2026-2027

Property tax

$14,648

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

21 ft x 95 ft

Lot sq. ft.

1,995

Area overview

Walk score

99 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

92 /100. Biker's Paradise

School district

Community district

Closest police station

0.43 Miles

Closest fire station

0.11 Miles

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

Ownership

Ownership information for 877 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 877 Union Street, Brooklyn, NY 11215

Sale date	Sale price	Buyer name	Seller name
12/11/2024	$4,600,000	XXXXX, XXXXX X XXX XXXXX, XXXXXXX X	XXXXXXXX XXXXXXX, XXXXXXXX X XXX XXXXXXXX, XXXXX XXX XXXXXXXX, XXXXXXXX X XXX XXXXXXXX, XXXXX XXX XXXXXX XX XXXXXX XXXXXXX XXXXXXXX XXX XXXXX XXXXX, XXXXXXXX XXX XXXXX XXXXX, XXXXXXXX XXX XXXXXXX, XXXXXXXX X

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
12/23/2024 - R 12/11/2024 - D	Deed (2024121600791003)	XXXXXXXX XXXXXXX XXXXXXXX X	XXXXX XXXXX X
12/23/2024 - R 12/11/2024 - D	Power of Attorney (2024121600791001)	XXXXXXXX XXXXX	XXXXXX XXXXX X
12/23/2024 - R 12/05/2024 - D	Power of Attorney (2024121600791002)	XXXXXXXX XXXXX	XXXXXX XXXXX X
08/18/2016 - R 06/17/2016 - D	Deed (2016072600153001)	XXXXX XXXXX	XXXXXXXX XXXXX
01/07/1986 - R	Satisfaction of Mortgage (3370001136837)	XXXXXXXX XXXX XXXXXXXX	XXXXX XXXXXXXXX XXXX
03/05/1975 - R	Deed (37530076601573)	XXXXXXXX XXXXXX X	XXXXXXXX XXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 877 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

$14,648

Municipal exemptions

Recent tax assessments

Market value

$5,567,000

Assessed value

$334,020

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	$5,244,000	$314,640	$69,653	19.843%	$13,821	$13,821	+3.42%
2024/25	$4,235,000	$254,100	$66,536	20.085%	$13,364	$13,364	+6.00%
2023/24	$3,900,000	$234,000	$62,772	20.085%	$12,608	$12,608	-1.10%
2022/23	$4,273,000	$256,380	$62,772	20.309%	$12,748	$12,748	+3.81%
2021/22	$4,084,000	$245,040	$61,518	19.963%	$12,281	$12,281	+0.54%
2020/21	$4,698,000	$281,880	$58,044	21.045%	$12,215	$12,215	+4.08%
2019/20	$5,036,000	$302,160	$55,447	21.167%	$11,736	$11,736	+7.25%
2018/19	$4,655,000	$279,300	$52,310	20.919%	$10,943	$10,943	+5.59%
2017/18	$4,402,000	$264,120	$50,840	20.385%	$10,663	$10,364	+4.28%
2016/17	$3,755,000	$225,300	$49,715	19.991%	$10,248	$9,939	+8.63%

Permits

Permit information for 877 Union Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
12/02/2025	Alteration
11/10/2025	Alteration
11/05/2025	Alteration
06/11/2025	Alteration
04/23/2025	Alteration CO

*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

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

Flatbush Ave & Plaza Street West at NW Corner

Station lines

2-3

Distance (miles)

0.177

View subway map

Access the detailed traffic volume map for 877 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	0.23
P.S. 282 Park Slope	5	Yes	Public	PK, K-5	496	0.23
Berkeley Carroll School	NR	No	Private	PK-12	977	0.09
Berkeley Carroll School	NR	No	Private	PK-12	977	0.09
The Montessori School of New York - Brooklyn	NR	No	Private	PK, K-6	0	0.13
The Montessori School of New York - Brooklyn	NR	No	Private	PK, K-6	0	0.13
St Francis Xavier School	NR	No	Private	PK-8	175	0.13
P.S. 321 William Penn	9	No	Public	K-5	1,216	0.28
P.S. 77	NR	No	Public	K-12	304	0.32

Nearest middle schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
Berkeley Carroll School	NR	No	Private	PK-12	977	0.09
St Francis Xavier School	NR	No	Private	PK-8	175	0.13
Berkeley Carroll Elementary School	NR	No	Private	PK-12	940	0.18
Is 340	7	No	Public	6-8	150	0.28
P.S. 77	NR	No	Public	K-12	304	0.32
Ms 266 Park Place Community Middle School	4	No	Public	6-8	69	0.32
Poly Prep Lower School	NR	No	Private		0	0.36
Park Slope Collegiate	4	No	Public	6-12	577	0.41
Luria Academy of Brooklyn	NR	No	Private	PK-8	244	0.42
Ms 51 William Alexander	7	No	Public	6-8	1,026	0.55

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
Berkeley Carroll School	NR	No	Private	PK-12	977	0.09
Berkeley Carroll Elementary School	NR	No	Private	PK-12	940	0.18
P.S. 77	NR	No	Public	K-12	304	0.32
Poly Prep Lower School	NR	No	Private		0	0.36
Park Slope Collegiate	4	No	Public	6-12	577	0.41
Millennium Brooklyn High School	10	No	Public	9-12	721	0.41
John Jay School for Law	3	No	Public	9-12	461	0.41
Cyberarts Studio Academy	2	No	Public	9-12	298	0.41
St Saviour High School	NR	No	Private	9-12	400	0.53
P.S. 753 School For Career Development	NR	No	Public	6-12	354	0.63

Frequently asked questions

What is the year built for 877 Union Street, Brooklyn, NY 11215?

The development at 877 Union Street, Brooklyn, NY 11215 was built in 1899.

What is the total square footage of 877 Union Street, Brooklyn, NY 11215?

877 Union Street, Brooklyn, NY 11215 has a total of 4,032 square feet.

When was 877 Union Street, Brooklyn, NY 11215 last sold and what was the sale price?

877 Union Street, Brooklyn, NY 11215 was last sold on 12/11/2024 for $4,600,000.

What is the assessed value of 877 Union Street, Brooklyn, NY 11215?

877 Union Street, Brooklyn, NY 11215 is currently assessed at $334,020.

What are the property taxes for 877 Union Street, Brooklyn, NY 11215?

The property taxes for 877 Union Street, Brooklyn, NY 11215 total $14,648.

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.