New York City  »  11236  »  Flatlands Ave  »  9817 Flatlands Ave

9817 Flatlands Avenue, Brooklyn, NY 11236 - Property report

Also known as: 9817 Flatlands Ave

Property image for 9817 Flatlands Avenue, Brooklyn, NY 11236
static Mapbox map

Property type

Three Families (C0)

Year built

1935

Lot sq. ft.

1,690

Sale price

$985,000

General information

Unlock this property report with a free account

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
9817 Flatlands Avenue
ZIP code
11236
Neighborhood
Canarsie
Borough
Brooklyn
Block & lot
08186-0003

Owner

Find out who owns 9817 Flatlands Avenue, Brooklyn, NY 11236. Uncover corporate and individual owners with a free account.

Building
Property type
Three Families (C0)
Building sq. ft.
1,680
Building dimensions
20 ft x 42 ft
Buildings on lot
1
Stories
2
Year built
1935
Building material
Frame
Exterior wall
Composition
Basement
4
Sales
Sale date
05/16/2025
Sale price
$985,000
Tax
Tax year
2026-2027
Property tax
$6,142
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
22.58 ft x 74.83 ft
Lot sq. ft.
1,690

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
0.36 Miles
Closest fire station
0.23 Miles

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

Ownership

Ownership information for 9817 Flatlands Avenue, 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 9817 Flatlands Avenue, Brooklyn, NY 11236

Sale date Sale price Buyer name Seller name
05/16/2025 $985,000 XXXX, XXXXXXX XXX XXXX, XXXXXXX XXX XXXX, XXXXX XXXX XXXXXXXXX XXXX XXX
08/22/2018 $459,010 XXXX XXXXXXXXX XXXX XXX XXXXXXXXX, XX XXXXXXX, XXXXXXXXXXX X

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
05/20/2025 - R
05/19/2025 - D		 Satisfaction of Mortgage
(2025052000011001)		 XXXX XXXXXXXXX XXXX XXX XXXX XXXXXX XXX XXXXXX XXXX
05/28/2025 - R
05/16/2025 - D		 Mortgage
(2025052800350002)		 XXXX XXXXXXX XXXX
05/28/2025 - R
05/16/2025 - D		 Deed
(2025052800350001)		 XXXX XXXXXXXXX XXXX XXX XXXX XXXXXXX
01/02/2025 - R
12/12/2024 - D		 Termination of Assign of L&R
(2024123100396002)		 XXXXXXX XXXXXXX XXXXXXXX XXX XXXXXXXXXX XXXX XXXXXXXXX XXXX XXX X XX XXXXXXXXXXX
01/02/2025 - R
12/12/2024 - D		 Satisfaction of Mortgage
(2024123100396001)		 XXXX XXXXXXXXX XXXX XXX XX XXX XXXX XXXXXXXXXXX XXXXXXX XXXXXXX XXXXXXXX XXX XXXXXXXXXX
04/23/2024 - R
04/12/2024 - D		 Assignment of Leases and Rents
(2024042300351002)		 XXXX XXXXXXXXX XXXX XXX XXXXXXX XXXXXXX XXXXXXXX XXX
04/23/2024 - R
04/12/2024 - D		 Mortgage
(2024042300351001)		 XXXX XXXXXXXXX XXXX XXX XXXXXXX XXXXXXX XXXXXXXX XXX
07/21/2021 - R
06/24/2021 - D		 Satisfaction of Mortgage
(2021071500017001)		 XXXX XXXXXXXXX XXXX XXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
04/03/2020 - R
02/28/2020 - D		 Satisfaction of Mortgage
(2020040100782001)		 XXXX XXXXXXXXX XXXX XXX XXX XXXX XXXXXXXX XXXXXXXXXXX
03/02/2020 - R
02/10/2020 - D		 Agreement
(2020030200689001)		 XXXX XXXXXXXXX XXXX XXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 9817 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
$6,142
Municipal exemptions
Recent tax assessments
Market value
$1,031,000
Assessed value
$61,860

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 $830,000 $49,800 $30,954 19.843% $6,142 $6,142 +4.60%
2024/25 $799,000 $47,940 $29,237 20.085% $5,872 $5,872 +4.62%
2023/24 $795,000 $47,700 $27,946 20.085% $5,613 $5,613 +3.68%
2022/23 $712,000 $42,720 $26,656 20.309% $5,414 $5,414 +5.14%
2021/22 $550,000 $33,000 $25,795 19.963% $5,149 $5,149 -5.15%
2020/21 $525,000 $31,500 $25,795 21.045% $5,429 $5,429 +5.26%
2019/20 $527,000 $31,620 $24,364 21.167% $5,157 $5,157 +5.86%
2018/19 $470,000 $28,200 $23,288 20.919% $4,872 $4,872 +7.59%
2017/18 $497,000 $29,820 $22,213 20.385% $4,528 $4,528 +5.37%
2016/17 $443,000 $26,580 $21,496 19.991% $4,297 $4,297 +2.23%
Permits

Permit information for 9817 Flatlands Avenue, Brooklyn, NY

No recently recorded permits for this property.

More about New York City property records

Violations

HPD Violations

Violation ID Inspection date Class NOV issue date Status
11/25/2025 I
09/25/2019 C
09/25/2019 C

*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)
0.125
View subway map

Access the detailed traffic volume map for 9817 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. 114 Ryder Elementary School 4 Yes Public PK, K-5 364 0.47
P.S. 114 Ryder Elementary School 4 Yes Public PK, K-5 364 0.47
Canarsie Ascend Charter School 7 No Charter K-8 989 0.08
Great Commission Christian School NR No Private K-7 9 0.36
P.S. 279 Herman Schreiber 7 No Public PK, K-5 277 0.36
P.S. 279 Herman Schreiber 7 No Public PK, K-5 277 0.36
LEADERSHIP PREPARATORY CANARSIE CHARTER SCHOOL 8 No Charter K-8 808 0.36
First Impression Day Care Center NR No Private K 0 0.46
P.S. 66 5 No Public PK, K-8 568 0.47
P.S. 66 5 No Public PK, K-8 568 0.47
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Is 211 John Wilson 5 Yes Public 6-8 190 0.22
Canarsie Ascend Charter School 7 No Charter K-8 989 0.08
Bais Meir NR No Private 8-12 0 0.26
Great Commission Christian School NR No Private K-7 9 0.36
LEADERSHIP PREPARATORY CANARSIE CHARTER SCHOOL 8 No Charter K-8 808 0.36
The Science And Medicine Middle School 6 No Public 6-8 282 0.44
P.S. 66 5 No Public PK, K-8 568 0.47
Explore Excel Charter School 6 No Charter K-8 536 0.47
Our Lady Of Trust School NR No Private PK, K-8 209 0.62
Yeshiva Gedolah Ohr Yisroel NR No Private 8-12 163 0.76
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Olympus Academy 2 No Public 9-12 107 0.11
Bais Meir NR No Private 8-12 0 0.26
High School For Innovation In Advertising And Medi 3 No Public 9-12 275 0.30
Urban Action Academy 2 No Public 9-12 137 0.30
High School For Medical Professions 3 No Public 9-12 390 0.30
Mesivta Lev Bonim NR No Private 9-12 56 0.70
Mesivta Lev Bonim NR No Private 10-12 0 0.70
Yeshiva Gedolah Ohr Yisroel NR No Private 8-12 163 0.76
Yeshiva Gedolah Ohr Yisroel NR No Private 10-12 98 0.76
Brooklyn Democracy Academy 1 No Public 9-12 140 0.85

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

Neighbors for 9817 Flatlands Avenue, Brooklyn, NY

9823 Flatlands Ave, Brooklyn 1066 E 98th St, Brooklyn 9805 Flatlands Ave, Brooklyn 225 Conklin Ave, Brooklyn 223 Conklin Ave, Brooklyn 249 Conklin Ave, Brooklyn 251 Conklin Ave, Brooklyn 1073 E 98th St, Brooklyn 9811 Flatlands Ave, Brooklyn 9807 Flatlands Ave, Brooklyn 1052 E 98th St, Brooklyn 9813 Flatlands Ave, Brooklyn 9821 Flatlands Ave, Brooklyn 1054 E 98th St, Brooklyn 9719 Flatlands Ave, Brooklyn 243 Conklin Ave, Brooklyn 227 Conklin Ave, Brooklyn 245 Conklin Ave, Brooklyn 221 Conklin Ave, Brooklyn 215 Conklin Ave, Brooklyn

Nearby ZIP codes for 9817 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 9817 Flatlands Avenue, Brooklyn, NY 11236?

The development at 9817 Flatlands Avenue, Brooklyn, NY 11236 was built in 1935.

What is the total square footage of 9817 Flatlands Avenue, Brooklyn, NY 11236?

9817 Flatlands Avenue, Brooklyn, NY 11236 has a total of 1,680 square feet.

When was 9817 Flatlands Avenue, Brooklyn, NY 11236 last sold and what was the sale price?

9817 Flatlands Avenue, Brooklyn, NY 11236 was last sold on 05/16/2025 for $985,000.

What is the assessed value of 9817 Flatlands Avenue, Brooklyn, NY 11236?

9817 Flatlands Avenue, Brooklyn, NY 11236 is currently assessed at $61,860.

What are the property taxes for 9817 Flatlands Avenue, Brooklyn, NY 11236?

The property taxes for 9817 Flatlands Avenue, Brooklyn, NY 11236 total $6,142.

How many residential units does this building have?

This building has 3 residential unit(s).

Disclaimer

Copyright 2003-2026 by PropertyShark.com

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.

Sign up for a free account