New York City  »  11234  »  Flatlands Ave  »  3891 Flatlands Ave

3891 Flatlands Avenue, Brooklyn, NY 11234 - Property report

Also known as: 3891 Flatlands Ave

Property image for 3891 Flatlands Avenue, Brooklyn, NY 11234
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Property type

Two Family Converted from One Family (B3)

Year built

1920

Lot sq. ft.

3,150

Sale price

$440,000

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
3891 Flatlands Avenue
Alternate address(es)
28-34 Harden St
ZIP code
11234
Neighborhood
Flatlands
Borough
Brooklyn
Block & lot
07821-0014

Owner

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Building
Property type
Two Family Converted from One Family (B3)
Building sq. ft.
1,245
Building dimensions
16 ft x 34 ft
Buildings on lot
1
Stories
2
Year built
1920
Building material
Frame
Exterior wall
Aluminum/Vinyl
Basement
4
Sales
Sale date
12/15/2014
Sale price
$440,000
Tax
Tax year
2026-2027
Property tax
$7,090
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)
Flatlands Avenue (wide)
Harden Street (narrow)
Distance to wide street
Lot dimensions
30.17 ft x 82.83 ft
Lot sq. ft.
3,150

Area overview

Walk score
94 /100.  Walker's Paradise
Transit score
80 /100.  Excellent Transit
Bike score
54 /100.  Bikeable
School district
22
Community district
18
Closest police station
0.53 Miles
Closest fire station
0.56 Miles

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

Ownership

Ownership information for 3891 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 3891 Flatlands Avenue, Brooklyn, NY 11234

Sale date Sale price Buyer name Seller name
12/15/2014 $440,000 XXXX XXXXXXXX XXX. XXXX XXXXXXX, XXXXXXX XXX XXXXXXX, 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
01/14/2015 - R
01/02/2015 - D		 Satisfaction of Mortgage
(2014123000818001)		 XXXXXXX XXXXXXX XXXXX XXXXX XXXX X X
01/10/2015 - R
12/15/2014 - D		 NYS Real Estate Transfer Tax
(2015010600723001)		 XXXXXXX XXXXXXX XXXX XXXXXXXX XXX XXXX
01/05/2015 - R
12/15/2014 - D		 Deed
(2014122900921001)		 XXXXXXX XXXXXXX XXXX XXXXXXXX XXX XXXX
11/01/2013 - R
06/03/2013 - D		 Deed
(2013080601272001)		 XXXXXXX XXXXXXX XXXXXXX XXXXXXX
01/19/2012 - R
12/30/2011 - D		 Assignment, Mortgage
(2011123001099001)		 XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX XXXXX XXXXX XXXX XX
05/02/2011 - R
04/24/2011 - D		 Satisfaction of Mortgage
(2011042500899001)		 XXXXXXX XXXXXXX XXXXXXXX XXXXX XXXX XX
12/03/2009 - R
12/01/2009 - D		 Certificate
(2009120101528002)		 XXX XXXXXXXXX XXXXXXXX XXXX
12/03/2009 - R
12/01/2009 - D		 Zoning Lot Description
(2009120101528001)		 XXXXXXX XXXXXXX
11/23/2009 - R
10/01/2009 - D		 Deed
(2009102800701001)		 XXXXXXX XXXXXXX XXXXXXX XXXXXXX
05/02/2006 - R
04/19/2006 - D		 Mortgage
(2006042701269001)		 XXXXXXX XXXXXXX XX XXXXXX XXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 3891 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
$7,090
Municipal exemptions
Recent tax assessments
Market value
$656,000
Assessed value
$39,360

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 $640,000 $38,400 $33,708 19.843% $6,689 $6,689 +4.72%
2024/25 $530,000 $31,800 $31,800 20.085% $6,387 $6,387 -2.76%
2023/24 $611,000 $36,660 $32,704 20.085% $6,569 $6,569 +4.83%
2022/23 $649,000 $38,940 $30,854 20.309% $6,266 $6,266 +2.07%
2021/22 $633,000 $37,980 $30,754 19.963% $6,139 $6,139 -3.96%
2020/21 $602,000 $36,120 $30,374 21.045% $6,392 $6,392 +5.38%
2019/20 $502,000 $30,120 $28,656 21.167% $6,066 $6,066 +6.39%
2018/19 $486,000 $29,160 $27,253 20.919% $5,701 $5,701 +8.77%
2017/18 $577,000 $34,620 $25,712 20.385% $5,241 $5,241 +2.31%
2016/17 $554,000 $33,240 $25,628 19.991% $5,123 $5,123 +3.51%
Permits

Permit information for 3891 Flatlands Avenue, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
06/26/2018 Alteration type 2
10/02/2009 Alteration type 1

*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

Flatlands residential market stats

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

Median sale price

$455,000

-34.5% Y-o-Y

Median price/sq. ft.

$478

-11% 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
4

Subway & traffic

Closest station
Nostrand Ave & Avenue H at NE Corner
Station lines
2-5
Distance (miles)
0.965
View subway map

Access the detailed traffic volume map for 3891 Flatlands Avenue, Brooklyn, NY 11234 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. 119 Amersfort 4 Yes Public PK, K-5 391 0.36
P.S. 119 Amersfort 4 Yes Public PK, K-5 391 0.36
P.S. 326 NR Yes Public PK, K-2 149 0.57
P.S. 326 NR Yes Public PK, K-2 149 0.57
Midwood Catholic Academy NR No Private PK-8 255 0.11
Midwood Catholic Academy NR No Private PK-8 255 0.11
Midwood Catholic Academy NR No Private PK-8 262 0.11
Midwood Catholic Academy NR No Private PK-8 262 0.11
St. Thomas Aquinas School NR No Private PK, K-8 0 0.19
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Andries Hudde School 3 Yes Public 6-8 423 0.66
Midwood Catholic Academy NR No Private PK-8 255 0.11
Midwood Catholic Academy NR No Private PK-8 262 0.11
St. Thomas Aquinas School NR No Private PK, K-8 0 0.19
Scholar Skills Christian Academy NR No Private 3-11 23 0.35
Mesivta Tiferes Yisroel NR No Private PK, K-12 0 0.35
P.S. 207 Elizabeth G Leary 8 No Public PK, K-8 896 0.61
Is 381 7 No Public 6-8 291 0.66
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Scholar Skills Christian Academy NR No Private 3-11 23 0.35
Mesivta Tiferes Yisroel NR No Private PK, K-12 0 0.35
Christian Heritage Academy NR No Private PK, K-12 269 0.43
Zvi Dov Roth Academy Of Yeshiva Rambam NR No Private 9-12 67 0.45
Yad Yisroel NR No Private 40 0.58
James Madison High School 5 No Public 9-12 3,630 1.05
Urban Dove Charter School 1 No Charter 10-12 210 1.06

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

Neighbors for 3891 Flatlands Avenue, Brooklyn, NY

20 Lott Pl, Brooklyn 3915 Flatlands Ave, Brooklyn 1951 Flatbush Ave, Brooklyn 23 Harden St, Brooklyn 1959 Flatbush Ave, Brooklyn 3887 Flatlands Ave, Brooklyn 3885 Flatlands Ave, Brooklyn 1961 Flatbush Ave, Brooklyn 3879 Flatlands Ave, Brooklyn 16 Lott Pl, Brooklyn 1955 Flatbush Ave, Brooklyn 14 Lott Pl, Brooklyn 22 Lott Pl, Brooklyn 3957 Flatlands Ave, Brooklyn 3883 Flatlands Ave, Brooklyn 1987 Flatbush Ave, Brooklyn 1963 Flatbush Ave, Brooklyn 21 Harden St, Brooklyn 1957 Flatbush Ave, Brooklyn 1953 Flatbush Ave, Brooklyn

Nearby ZIP codes for 3891 Flatlands Avenue, Brooklyn, NY

11203, New York City, NY 11204, 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 11218, New York City, NY 11223, New York City, NY 11225, New York City, NY 11226, New York City, NY 11229, New York City, NY 11230, New York City, NY 11233, New York City, NY 11235, New York City, NY 11236, New York City, NY 11239, New York City, NY 11694, New York City, NY 11697, New York City, NY

Frequently asked questions

What is the year built for 3891 Flatlands Avenue, Brooklyn, NY 11234?

The development at 3891 Flatlands Avenue, Brooklyn, NY 11234 was built in 1920.

What is the total square footage of 3891 Flatlands Avenue, Brooklyn, NY 11234?

3891 Flatlands Avenue, Brooklyn, NY 11234 has a total of 1,245 square feet.

When was 3891 Flatlands Avenue, Brooklyn, NY 11234 last sold and what was the sale price?

3891 Flatlands Avenue, Brooklyn, NY 11234 was last sold on 12/15/2014 for $440,000.

What is the assessed value of 3891 Flatlands Avenue, Brooklyn, NY 11234?

3891 Flatlands Avenue, Brooklyn, NY 11234 is currently assessed at $39,360.

What are the property taxes for 3891 Flatlands Avenue, Brooklyn, NY 11234?

The property taxes for 3891 Flatlands Avenue, Brooklyn, NY 11234 total $7,089.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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