Kings » 11215 » Union St » 770 Union St

770 Union Street, Brooklyn, NY 11215 - Property report

Also known as: 770 Union St

Property image for 770 Union Street, Brooklyn, NY 11215

Property type

Over Six Families without Stores (C1)

Year built

1920

Lot sq. ft.

2,642

General information

Address

Primary address

770 Union Street

ZIP code

11215

Neighborhood

Park Slope

Borough

Brooklyn

Block & lot

00957-0013

Building

Property type

Over Six Families without Stores (C1)

Building sq. ft.

8,072

Building dimensions

31.08 ft x 80 ft

Buildings on lot

Stories

Year built

1920

Building material

Tax

Tax year

2026-2027

Property tax

$25,201

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Qualified opportunity zone

Residential units

Residential sq. ft.

Office sq. ft.

Retail sq. ft.

Lot

Lot dimensions

31.08 ft x 85 ft

Lot sq. ft.

2,642

Area overview

Walk score

99 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

91 /100. Biker's Paradise

School district

Community district

Closest police station

0.43 Miles

Closest fire station

0.04 Miles

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

Ownership

Ownership information for 770 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 770 Union Street, Brooklyn, NY 11215

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
03/04/2011 - R 03/03/2011 - D	Initial UCC1 (2011030300272001)	XXX XXXXX XXXXXX XXXXXXX XXXXXXXXXXX	XXXXXXX XXX X X
09/02/2003 - R	Termination of Assign of L&R (2003042100411001)	XXX XXXXX XXXXXX XXXXXXX XXXXXXXXXXX	XXXXXX XXXXXXX XXXXXXX XXXX
05/07/2003 - R	UCC3 Termination (2003041900105002)	XXX XXXXX XXXXXX XXXXXXXXXXX	XXXXXX XXXXXXX XXXXXXX XXXX
09/02/2003 - R 04/10/2003 - D	Mortgage (2003042100411003)	XXX XXXXX XXXXXX XXXXXXX XXXXXXXXXXX	XXX XXXXXX XXXXXXX XXXX
04/05/1999 - R	Mortgage (3610006534361)	XXX XXXXX XXXXXX XXXXXXX XXXXXXXXXXX	XXXXXX XXXXXXX XXXXXXX XXXX
04/05/1999 - R	Agreement (3610006535161)
01/05/1999 - R	Initial UCC1 (3210006397821)	XXX XXXXX XXXXXX XXXXXXX XXXXXXXXXXX	XXXXXX XXXXXXX XXXXXXX XXXX
09/16/1996 - R 07/30/1996 - D	Deed (3380005342638)	XXXXXXXX XXXXXXXX	XXXXXXXX XXXXXX
09/18/1996 - R 07/30/1996 - D	Deed (3200005348920)	XXXXXXXX XXXXXX	XXX XXXXX XX XXX XXXXXXXXXX
08/31/1994 - R	Agreement (3730004427073)	XXXXXX XXXXXX XXXXXXX XXXX	XXXXXXXX XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 770 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

$25,201

Municipal exemptions

Recent tax assessments

Market value

$3,328,000

Assessed value

$1,497,600

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	$2,885,000	$1,298,250	$187,591	12.439%	$23,334	$23,334	-0.49%
2024/25	$3,215,200	$1,446,840	$187,591	12.5%	$23,449	$23,449	+3.19%
2023/24	$4,019,000	$1,808,550	$181,761	12.502%	$22,724	$22,724	+10.06%
2022/23	$3,818,000	$1,718,100	$168,308	12.267%	$20,646	$20,646	+8.28%
2021/22	$4,203,000	$1,891,350	$155,843	12.235%	$19,067	$19,067	+7.71%
2020/21	$4,092,000	$1,841,400	$144,301	12.267%	$17,701	$17,701	-1.65%
2019/20	$3,410,400	$1,534,680	$144,301	12.473%	$17,999	$17,999	+2.07%
2018/19	$2,842,000	$1,278,900	$139,816	12.612%	$17,634	$17,634	+7.08%
2017/18	$2,446,000	$1,100,700	$129,468	12.719%	$16,467	$16,467	+6.55%
2016/17	$2,228,000	$1,002,600	$119,879	12.892%	$15,455	$15,455	+8.07%

Permits

Permit information for 770 Union Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
07/13/2015	Alteration type 2
11/04/2009	Alteration type 2
10/14/1997	Alteration type 1
05/19/1993	Alteration type 1

*Most recent permits 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.

Listings

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

FEMA flood zones

Hurricane evacuation zones

Subway & traffic

Closest station

Flatbush Ave & Park Pl at SW Corner

Station lines

B-Q

Distance (miles)

0.292

View subway map

Access the detailed traffic volume map for 770 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

Neighbors for 770 Union Street, Brooklyn, NY

780 Union St, Brooklyn 106 7th Ave, Brooklyn 108 7th Ave, Brooklyn 760 Union St, Brooklyn 758 Union St, Brooklyn 762 Union St, Brooklyn 217 6th Ave, Brooklyn 788 A Union St, Brooklyn 792 Union St, Brooklyn 768 Union St, Brooklyn 219 6th Ave, Brooklyn 772 Union St, Brooklyn 794 Union St, Brooklyn 110 7th Ave, Brooklyn 756 Union St, Brooklyn 808 Union St, Brooklyn 764 Union St, Brooklyn 756 Union St, Brooklyn 788 Union St, Brooklyn

Frequently asked questions

What is the year built for 770 Union Street, Brooklyn, NY 11215?

The development at 770 Union Street, Brooklyn, NY 11215 was built in 1920.

What is the total square footage of 770 Union Street, Brooklyn, NY 11215?

770 Union Street, Brooklyn, NY 11215 has a total of 8,072 square feet.

What is the assessed value of 770 Union Street, Brooklyn, NY 11215?

770 Union Street, Brooklyn, NY 11215 is currently assessed at $1,497,600.

What are the property taxes for 770 Union Street, Brooklyn, NY 11215?

The property taxes for 770 Union Street, Brooklyn, NY 11215 total $25,200.

How many residential units does this building have?

This building has 9 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.