New York City  »  11215  »  Carroll St  »  866 Carroll St

866 Carroll Street, Brooklyn, NY 11215 - Property report

Also known as: 866 Carroll St

Property image for 866 Carroll Street, Brooklyn, NY 11215
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Property type

Two Family Converted from One Family (B3)

Year built

1901

Lot sq. ft.

1,700

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
866 Carroll Street
ZIP code
11215
Neighborhood
Park Slope
Borough
Brooklyn
Block & lot
01072-0021

Owner

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Building
Property type
Two Family Converted from One Family (B3)
Building sq. ft.
2,880
Building dimensions
20 ft x 50 ft
Buildings on lot
1
Stories
4
Year built
1901
Building material
Brick
Exterior wall
Brick/Masonary
Basement
4
Tax
Tax year
2026-2027
Property tax
$13,984
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
2
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
Carroll Street (narrow)
Nearest wide street
Prospect Park West
Distance to wide street
Lot dimensions
20 ft x 84.25 ft
Lot sq. ft.
1,700

Area overview

Walk score
89 /100.  Very Walkable
Transit score
100 /100.  Rider's Paradise
Bike score
88 /100.  Very Bikeable
School district
15
Community district
6
Closest police station
0.63 Miles
Closest fire station
0.29 Miles

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

Ownership information for 866 Carroll Street, Brooklyn, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 866 Carroll Street, Brooklyn, NY 11215

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
11/24/2021 - R
11/12/2021 - D
Satisfaction of Mortgage
(2021111600090001)
XXXXXXXXX XXXX XXX XXXXXXXX XXXXXXX XXX
01/24/2022 - R
10/24/2021 - D
Mortgage
(2022011101401001)
XXXXXXXXX XXXX XXXX
02/09/2011 - R
11/19/2010 - D
Agreement
(2010120800394003)
XXXXXXXXX XXXX XXX XXXXXXXX XXXXXXX XXX
02/09/2011 - R
11/19/2010 - D
Mortgage
(2010120800394002)
XXXXXXXXX XXXX XXXX XXX
02/09/2011 - R
11/02/2010 - D
Assignment, Mortgage
(2010120800394001)
XXXX XXX XXX XXXXXXXX XXXXXXX XXX
02/11/2004 - R
11/12/2003 - D
Satisfaction of Mortgage
(2003111302495001)
XXXXXXXX XXXXXX XXXXXXX XXXX
03/08/2004 - R
08/27/2003 - D
Mortgage
(2003121900662001)
XXXXXXXXX XXXX XXXX
06/28/2002 - R Satisfaction of Mortgage
(3160008746016)
XXXXXXXXX XXXX
06/13/2002 - R Agreement
(3940008718294)
XXXX XXXXXXXX XXXXXXXXXXX XXX
06/13/2002 - R Assignment, Mortgage
(3610008717861)
XXXXXXXX XXXXXX XXXXXXX XXXX XXXX XXXXXXXX XXXXXXXXXXX (XXX)

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 866 Carroll 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
$13,984
Municipal exemptions
Recent tax assessments
Market value
$3,938,000
Assessed value
$236,280

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 $2,995,000 $179,700 $66,502 19.843% $13,196 $13,196 +4.67%
2024/25 $3,512,000 $210,720 $62,772 20.085% $12,608 $12,608 0.00%
2023/24 $3,608,000 $216,480 $62,772 20.085% $12,608 $12,608 +4.63%
2022/23 $3,366,000 $201,960 $59,335 20.309% $12,050 $12,050 +2.79%
2021/22 $3,181,000 $190,860 $58,726 19.963% $11,723 $11,723 +0.52%
2020/21 $3,372,000 $202,320 $55,418 21.045% $11,663 $11,663 +5.33%
2019/20 $3,487,000 $209,220 $52,310 21.167% $11,072 $11,072 +4.09%
2018/19 $4,239,000 $254,340 $50,850 20.919% $10,943 $10,637 +8.77%
2017/18 $3,722,000 $223,320 $47,976 20.385% $10,080 $9,780 +3.24%
2016/17 $3,997,000 $239,820 $47,388 19.991% $9,783 $9,473 +8.62%

Permit information for 866 Carroll Street, Brooklyn, NY

No recently recorded permits for this property.

More about New York City property records

HPD Violations

No recently recorded violations for this property.

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

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FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Flatbush Ave & Plaza Street West at SW Corner
Station lines
2-3
Distance (miles)
0.251

Access the detailed traffic volume map for 866 Carroll 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. 321 William Penn 9 Yes Public K-5 1,216 0.31
The Montessori School of New York - Brooklyn NR No Private PK, K-6 0 0.09
The Montessori School of New York - Brooklyn NR No Private PK, K-6 0 0.09
Poly Prep Lower School NR No Private PK-4 240 0.15
Poly Prep Lower School NR No Private PK-4 240 0.15
Poly Prep Lower School NR No Private 0 0.16
P.S. 282 Park Slope 5 No Public PK, K-5 496 0.44
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Poly Prep Lower School NR No Private 0 0.16
Berkeley Carroll School NR No Private PK-12 977 0.29
St Francis Xavier School NR No Private PK-8 175 0.30
Berkeley Carroll Elementary School NR No Private PK-12 940 0.33
Park Slope Collegiate 4 No Public 6-12 577 0.35
Is 340 7 No Public 6-8 150 0.36
Saint Saviour Catholic Academy NR No Private PK, K-8 370 0.43
P.S. 77 NR No Public K-12 304 0.53
Ms 266 Park Place Community Middle School 4 No Public 6-8 69 0.53
Elijah Stroud Middle School 5 No Public 6-8 121 0.62
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Poly Prep Lower School NR No Private 0 0.16
Berkeley Carroll School NR No Private PK-12 977 0.29
Berkeley Carroll Elementary School NR No Private PK-12 940 0.33
Park Slope Collegiate 4 No Public 6-12 577 0.35
John Jay School for Law 3 No Public 9-12 461 0.35
Millennium Brooklyn High School 10 No Public 9-12 721 0.35
Cyberarts Studio Academy 2 No Public 9-12 298 0.35
St Saviour High School NR No Private 9-12 400 0.39
P.S. 77 NR No Public K-12 304 0.53
International High School at Prospect Heights 1 No Public 9-12 272 0.59

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 866 Carroll Street, Brooklyn, NY 11215?

The development at 866 Carroll Street, Brooklyn, NY 11215 was built in 1901.

What is the total square footage of 866 Carroll Street, Brooklyn, NY 11215?

866 Carroll Street, Brooklyn, NY 11215 has a total of 2,880 square feet.

What is the assessed value of 866 Carroll Street, Brooklyn, NY 11215?

866 Carroll Street, Brooklyn, NY 11215 is currently assessed at $236,280.

What are the property taxes for 866 Carroll Street, Brooklyn, NY 11215?

The property taxes for 866 Carroll Street, Brooklyn, NY 11215 total $13,983.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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