New York City  »  11234  »  Avenue O  »  4821 Avenue O

4821 Avenue O, Brooklyn, NY 11234 - Property report

Also known as: 4821 Avenue O

Property image for 4821 Avenue O, Brooklyn, NY 11234
static Mapbox map

Property type

One Family Attached or Semi-Detached (A5)

Year built

1930

Lot sq. ft.

1,804

General information

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Address
Primary address
4821 Avenue O
ZIP code
11234
Neighborhood
Old Mill Basin
Borough
Brooklyn
Block & lot
07893-0002

Owner

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Building
Property type
One Family Attached or Semi-Detached (A5)
Building sq. ft.
1,152
Building dimensions
18.5 ft x 32 ft
Buildings on lot
1
Stories
2
Year built
1930
Building material
Brick
Exterior wall
Brick/Masonary
Basement
4
Tax
Tax year
2026-2027
Property tax
$6,304
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
1
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
Avenue O (wide)
Distance to wide street
Lot dimensions
18.5 ft x 97.5 ft
Lot sq. ft.
1,804

Area overview

Walk score
93 /100.  Walker's Paradise
Transit score
80 /100.  Excellent Transit
Bike score
55 /100.  Bikeable
School district
22
Community district
18
Closest police station
1.04 Miles
Closest fire station
0.09 Miles

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

Ownership information for 4821 Avenue O, Brooklyn, NY

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

Sales history for 4821 Avenue O, Brooklyn, NY 11234

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
05/06/2022 - R
04/26/2022 - D
Satisfaction of Mortgage
(2022042700038001)
XXXX XXXXXX XXXXXXXXXXXX XXXXXXXX XXXXXXX XXXX
05/16/2012 - R
04/12/2012 - D
Assignment, Mortgage
(2012042000334003)
XX XXXXXX XXXXX XXXX XX XXXX XX XXXX XXX XXX XXXX XX XXXXXX XXXXX XXXX XX
05/16/2012 - R
03/01/2012 - D
Agreement
(2012042000334002)
XXXX XXXXXX XX XXXXXX XXXXX XXXX XX
05/16/2012 - R
03/01/2012 - D
Mortgage
(2012042000334001)
XXXX XXXXXX XX XXXXXX XXXXX XXXX XX
02/14/2012 - R
02/07/2012 - D
Satisfaction of Mortgage
(2012020700231001)
XXX XXXXXX XXXXXXXX XXXXXXXX XXXXX XXXX X X
06/02/1998 - R Assignment, Mortgage
(3720006077072)
XXXXXXXX XXXXXXXX XXXXXXXXXXX XXX XXXX XX
04/23/1998 - R Assignment, Mortgage
(3270006023227)
XXXXXXXX XXXXXXXX XXXXXXXXXXX XXX XXXX
02/03/1993 - R Agreement
(3070001747107)
XXXX XXXXXX XXXXXXXX XXXX XXXX
01/17/1991 - R Satisfaction of Mortgage
(3130001593313)
XXXX XXX XXXXX XXXX XXXXXX XXXX XXXX
01/17/1991 - R Assignment, Mortgage
(3150001593115)
XXXXXXXXXXXX XXX XXXXXX XXXXXXXXX XXXX XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 4821 Avenue O, 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
$6,304
Municipal exemptions
Recent tax assessments
Market value
$830,000
Assessed value
$49,800

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 $733,000 $43,980 $29,871 19.843% $6,209 $5,927 +4.72%
2024/25 $706,000 $42,360 $28,180 20.085% $5,929 $5,660 +0.21%
2023/24 $624,000 $37,440 $28,120 20.085% $5,929 $5,648 -0.10%
2022/23 $539,000 $32,340 $27,839 20.309% $5,950 $5,654 +8.08%
2021/22 $591,000 $35,460 $26,201 19.963% $5,518 $5,231 +0.77%
2020/21 $516,000 $30,960 $24,666 21.045% $5,488 $5,191 +5.71%
2019/20 $410,000 $24,600 $23,200 21.167% $5,207 $4,911 -2.11%
2018/19 $424,000 $25,440 $23,980 20.919% $5,322 $5,016 +1.51%
2017/18 $445,000 $26,700 $24,242 20.385% $5,241 $4,942 +6.14%
2016/17 $414,000 $24,840 $23,290 19.991% $4,966 $4,656 +5.86%

Permit information for 4821 Avenue O, 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.

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

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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)
1.471

Access the detailed traffic volume map for 4821 Avenue O, 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. 207 Elizabeth G Leary 8 Yes Public PK, K-8 896 0.24
P.S. 207 Elizabeth G Leary 8 Yes Public PK, K-8 896 0.24
Scholar Skills Christian Academy NR No Private 3-11 23 0.17
P.S. 203 Floyd Bennett 7 No Public PK, K-5 501 0.37
P.S. 203 Floyd Bennett 7 No Public PK, K-5 501 0.37
St. Thomas Aquinas School NR No Private PK, K-8 0 0.38
St. Thomas Aquinas School NR No Private PK, K-8 0 0.38
Midwood Catholic Academy NR No Private PK-8 255 0.47
Midwood Catholic Academy NR No Private PK-8 255 0.47
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Jhs 278 Marine Park 7 Yes Public 6-8 1,076 0.89
Scholar Skills Christian Academy NR No Private 3-11 23 0.17
P.S. 207 Elizabeth G Leary 8 No Public PK, K-8 896 0.24
St. Thomas Aquinas School NR No Private PK, K-8 0 0.38
Midwood Catholic Academy NR No Private PK-8 255 0.47
Midwood Catholic Academy NR No Private PK-8 262 0.47
Mary Queen of Heaven Catholic Academy NR No Private PK-8 180 0.48
Hebrew Language Academy 5 No Charter PK, K-8 610 0.79
Success Academy Bergen Beach 10 No Charter K-8 1,052 0.82
Jhs 78 Roy H Mann 6 No Public 6-8 542 0.82
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 0.17
Zvi Dov Roth Academy Of Yeshiva Rambam NR No Private 9-12 67 0.76
Mesivta Tiferes Yisroel NR No Private PK, K-12 0 0.83
Yeshiva Ohr Yisrael NR No Private 9-12 54 0.88
Yeshiva Ohr Yisrael NR No Private 9-12 54 0.88
James Madison High School 5 No Public 9-12 3,630 1.15
Brooklyn Community High School for Excellence and Equity 3 No Public 9-12 181 1.27
Brooklyn Theatre Arts High School 4 No Public 9-12 216 1.27
Victory Collegiate High School 2 No Public 9-12 264 1.27
Brooklyn Bridge Academy 4 No Public 9-12 116 1.27

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

Frequently asked questions

What is the year built for 4821 Avenue O, Brooklyn, NY 11234?

The development at 4821 Avenue O, Brooklyn, NY 11234 was built in 1930.

What is the total square footage of 4821 Avenue O, Brooklyn, NY 11234?

4821 Avenue O, Brooklyn, NY 11234 has a total of 1,152 square feet.

What is the assessed value of 4821 Avenue O, Brooklyn, NY 11234?

4821 Avenue O, Brooklyn, NY 11234 is currently assessed at $49,800.

What are the property taxes for 4821 Avenue O, Brooklyn, NY 11234?

The property taxes for 4821 Avenue O, Brooklyn, NY 11234 total $6,303.

How many residential units does this building have?

This building has 1 residential unit(s).

Disclaimer

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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.

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