New York City  »  11236  »  Flatlands Ave  »  9820 Flatlands Ave

9820 Flatlands Avenue, Brooklyn, NY 11236 - Property report

Also known as: 9820 Flatlands Ave

Property image for 9820 Flatlands Avenue, Brooklyn, NY 11236
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Property type

Three Families (C0)

Year built

1925

Lot sq. ft.

1,980

Sale price

$820,000

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
9820 Flatlands Avenue
ZIP code
11236
Neighborhood
Canarsie
Borough
Brooklyn
Block & lot
08206-0044

Owner

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Building
Property type
Three Families (C0)
Building sq. ft.
1,872
Building dimensions
18 ft x 47 ft
Buildings on lot
1
Stories
2
Year built
1925
Building material
Frame
Exterior wall
Composition
Basement
4
Sales
Sale date
12/02/2020
Sale price
$820,000
Tax
Tax year
2026-2027
Property tax
$7,269
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
3
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
Flatlands Avenue (wide)
Distance to wide street
Lot dimensions
22 ft x 90 ft
Lot sq. ft.
1,980

Area overview

Walk score
83 /100.  Very Walkable
Transit score
92 /100.  Rider's Paradise
Bike score
50 /100.  Bikeable
School district
18
Community district
18
Closest police station
0.39 Miles
Closest fire station
0.27 Miles

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

Ownership

Ownership information for 9820 Flatlands Avenue, Brooklyn, NY

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

Sales history for 9820 Flatlands Avenue, Brooklyn, NY 11236

Sale date Sale price Buyer name Seller name
12/02/2020 $820,000 XXXXX, XXXXXX XXX XXXXXX, XXXXXX XXXXXXXX, XXXXXX X XXX XXXXXXXX, XXXXXXX X

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
11/20/2025 - R
11/17/2025 - D		 Mortgage
(2025111700342001)		 XXXXX XXXXXX XXXX XXXX XXXX
03/04/2024 - R UCC3 Continuation
(2024030400033001)		 XXXXX XXXXXX XXXXXXXXX XXXXXXXX X XXX
06/23/2021 - R
05/28/2021 - D		 Assignment, Mortgage
(2021061800503002)		 XXXXXXXX XX XXXXXX XXXXXXX XXXX XXXXXXXXX XXXXXXX
06/23/2021 - R
05/07/2021 - D		 Assignment, Mortgage
(2021061800503001)		 XXXXXXXXXXX XXXXXX XXXXXXXXXXXXX XXXXX XX XXXXXXXX XX
12/15/2020 - R
12/10/2020 - D		 Satisfaction of Mortgage
(2020121100987001)		 XXXXXXXX XXXXXX X XXXXXXXX XXXXX XXXX
01/08/2021 - R
12/02/2020 - D		 Mortgage
(2020121900024002)		 XXXXX XXXXXX XXX XXXX XXXXXXXX XXXXXXX XXX
01/08/2021 - R
12/02/2020 - D		 Deed
(2020121900024001)		 XXXXXXXX XXXXXX X XXXXX XXXXXX
04/05/2019 - R Initial UCC1
(2019040301141001)		 XXXXXXXX XXXXXXX XXXXXXXXX XXXXXXXX X XXX
06/11/2019 - R
03/08/2019 - D		 Assignment, Mortgage
(2019061000681002)		 XXXXXXXXXX XXXXX XXXXX XXXXX XX XXXXXXXXXXX XXXXXX XXXXXXXXXXXXX XXXXX XX
06/11/2019 - R
08/16/2018 - D		 Power of Attorney
(2019061000681001)		 X X XXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXXX XXXXXXXX XXXXXXXXXX XXXXXXXX XXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 9820 Flatlands Avenue, 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
$7,269
Municipal exemptions
Recent tax assessments
Market value
$918,000
Assessed value
$55,080

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 $711,000 $42,660 $36,358 19.843% $7,215 $7,215 +4.72%
2024/25 $832,000 $49,920 $34,300 20.085% $6,889 $6,889 +40.16%
2023/24 $930,000 $55,800 $32,359 20.085% $6,499 $4,915 +6.49%
2022/23 $803,000 $48,180 $30,528 20.309% $6,200 $4,616 +2.35%
2021/22 $620,000 $37,200 $30,528 19.963% $6,094 $4,510 -29.27%
2020/21 $574,000 $34,440 $30,298 21.045% $6,376 $6,376 +5.39%
2019/20 $565,000 $33,900 $28,583 21.167% $6,050 $6,050 +7.25%
2018/19 $543,000 $32,580 $26,966 20.919% $5,641 $5,641 +8.78%
2017/18 $424,000 $25,440 $25,440 20.385% $5,186 $5,186 -10.46%
2016/17 $495,000 $29,700 $28,972 19.991% $5,792 $5,792 +8.37%
Permits

Permit information for 9820 Flatlands Avenue, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
08/13/2025 Alteration
08/13/2025 Alteration
02/27/2025 Alteration
09/12/2024 Alteration
04/03/2023 Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

Violation ID Inspection date Class NOV issue date Status
12/04/2019 C
12/04/2019 B
11/21/2019 A

*Most recent HPD violations on record for this property.

Neighborhood

Canarsie residential market stats

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

Median sale price

$532,500

17.3% Y-o-Y

Median price/sq. ft.

$503

14.8% 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

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
3

Subway & traffic

Closest station
Glenwood Rd & E 98th St at NW Corner
Station lines
L
Distance (miles)
0.16
View subway map

Access the detailed traffic volume map for 9820 Flatlands Avenue, Brooklyn, NY 11236 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. 115 Daniel Mucatel School 5 Yes Public PK, K-5 737 0.65
P.S. 115 Daniel Mucatel School 5 Yes Public PK, K-5 737 0.65
Canarsie Ascend Charter School 7 No Charter K-8 989 0.10
LEADERSHIP PREPARATORY CANARSIE CHARTER SCHOOL 8 No Charter K-8 808 0.34
P.S. 279 Herman Schreiber 7 No Public PK, K-5 277 0.34
P.S. 279 Herman Schreiber 7 No Public PK, K-5 277 0.34
Great Commission Christian School NR No Private K-7 9 0.36
First Impression Day Care Center NR No Private K 0 0.48
Explore Excel Charter School 6 No Charter K-8 536 0.49
P.S. 114 Ryder Elementary School 4 No Public PK, K-5 364 0.49
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Is 68 Isaac Bildersee 4 Yes Public 6-8 214 0.90
Canarsie Ascend Charter School 7 No Charter K-8 989 0.10
Is 211 John Wilson 5 No Public 6-8 190 0.18
Bais Meir NR No Private 8-12 0 0.25
LEADERSHIP PREPARATORY CANARSIE CHARTER SCHOOL 8 No Charter K-8 808 0.34
Great Commission Christian School NR No Private K-7 9 0.36
The Science And Medicine Middle School 6 No Public 6-8 282 0.43
Explore Excel Charter School 6 No Charter K-8 536 0.49
P.S. 66 5 No Public PK, K-8 568 0.50
Our Lady Of Trust School NR No Private PK, K-8 209 0.62
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Olympus Academy 2 No Public 9-12 107 0.12
Bais Meir NR No Private 8-12 0 0.25
Urban Action Academy 2 No Public 9-12 137 0.27
High School For Innovation In Advertising And Medi 3 No Public 9-12 275 0.27
High School For Medical Professions 3 No Public 9-12 390 0.27
Mesivta Lev Bonim NR No Private 9-12 56 0.69
Mesivta Lev Bonim NR No Private 10-12 0 0.69
Yeshiva Gedolah Ohr Yisroel NR No Private 8-12 163 0.73
Yeshiva Gedolah Ohr Yisroel NR No Private 10-12 98 0.73
Metropolitan Diploma Plus High School 4 No Public 9-12 200 0.89

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

Neighbors for 9820 Flatlands Avenue, Brooklyn, NY

944 E 99th St, Brooklyn 9802 Flatlands Ave, Brooklyn 952 E 99th St, Brooklyn 9814 Flatlands Ave, Brooklyn 9810 Flatlands Ave, Brooklyn 9804 Flatlands Ave, Brooklyn 1135 E 98th St, Brooklyn 9824 Flatlands Ave, Brooklyn 950 E 99th St, Brooklyn 9818 Flatlands Ave, Brooklyn 914 E 99th St, Brooklyn 924 E 99th St, Brooklyn 1133 E 98th St, Brooklyn 932 E 99th St, Brooklyn 9808 Flatlands Ave, Brooklyn 1129 E 98th St, Brooklyn 920 E 99th St, Brooklyn 922 E 99th St, Brooklyn 940 E 99th St, Brooklyn 9816 Flatlands Ave, Brooklyn

Nearby ZIP codes for 9820 Flatlands Avenue, Brooklyn, NY

11203, New York City, NY 11207, New York City, NY 11208, New York City, NY 11210, New York City, NY 11212, New York City, NY 11213, New York City, NY 11216, New York City, NY 11221, New York City, NY 11225, New York City, NY 11226, New York City, NY 11229, New York City, NY 11233, New York City, NY 11234, New York City, NY 11237, New York City, NY 11239, New York City, NY 11385, New York City, NY 11414, New York City, NY 11416, New York City, NY 11417, New York City, NY 11421, New York City, NY

Frequently asked questions

What is the year built for 9820 Flatlands Avenue, Brooklyn, NY 11236?

The development at 9820 Flatlands Avenue, Brooklyn, NY 11236 was built in 1925.

What is the total square footage of 9820 Flatlands Avenue, Brooklyn, NY 11236?

9820 Flatlands Avenue, Brooklyn, NY 11236 has a total of 1,872 square feet.

When was 9820 Flatlands Avenue, Brooklyn, NY 11236 last sold and what was the sale price?

9820 Flatlands Avenue, Brooklyn, NY 11236 was last sold on 12/02/2020 for $820,000.

What is the assessed value of 9820 Flatlands Avenue, Brooklyn, NY 11236?

9820 Flatlands Avenue, Brooklyn, NY 11236 is currently assessed at $55,080.

What are the property taxes for 9820 Flatlands Avenue, Brooklyn, NY 11236?

The property taxes for 9820 Flatlands Avenue, Brooklyn, NY 11236 total $7,269.

How many residential units does this building have?

This building has 3 residential unit(s).

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