New York City  »  11209  »  Gelston Ave  »  84 Gelston Ave

84 Gelston Avenue, Brooklyn, NY 11209 - Property report

Also known as: 84 Gelston Ave

Property image for 84 Gelston Avenue, Brooklyn, NY 11209
static Mapbox map

Property type

Two Family Brick (B1)

Year built

1940

Lot sq. ft.

2,809

General information

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Address
Primary address
84 Gelston Avenue
ZIP code
11209
Neighborhood
Bay Ridge
Borough
Brooklyn
Block & lot
06067-0044

Owner

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Building
Property type
Two Family Brick (B1)
Building sq. ft.
1,977
Building dimensions
20.33 ft x 35 ft
Buildings on lot
1
Stories
2
Year built
1940
Building material
C Blck + Brick
Exterior wall
Brick/Masonary
Basement
4
Garage type
Basement Garage
Tax
Tax year
2026-2027
Property tax
$10,902
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)
Gelston Avenue (narrow)
Nearest wide street
5 Avenue
Distance to wide street
Lot dimensions
24.17 ft x 116.25 ft
Lot sq. ft.
2,809

Area overview

Walk score
98 /100.  Walker's Paradise
Transit score
89 /100.  Excellent Transit
Bike score
72 /100.  Very Bikeable
School district
20
Community district
10
Closest police station
1.36 Miles
Closest fire station
0.17 Miles

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

Ownership information for 84 Gelston Avenue, Brooklyn, NY

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

Sales history for 84 Gelston Avenue, Brooklyn, NY 11209

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
11/18/2004 - R
10/19/2004 - D
Satisfaction of Mortgage
(2004110402146001)
XXXXXXXX XXXXXXX
02/27/2004 - R
08/21/2003 - D
UCC3 Termination
(2003121200256001)
XXXX XXXXXX X XXXXXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
05/05/2000 - R Initial UCC1
(3380007142838)
XXXX XXXXXX X XXXXXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
02/01/1999 - R Agreement
(3570006438557)
XXXXXXXX XXXXXXX
02/10/1998 - R Mortgage
(3760005933176)
XXXXXXXX XXXXXXXX XXXX XXXXXXXX (XX)XXXXXXX XXXXXX XXXXX
02/10/1998 - R
12/19/1997 - D
Deed
(3240005933324)
XXXXXX XXXXXX X XXXXXXXX XXXXXXXX
01/31/1997 - R
11/27/1996 - D
Deed
(3750005505175)
XXXXXX XXXXXX X XXXXXX XXXXXX X
08/13/1984 - R Satisfaction of Mortgage
(3860001035086)
XXXXXX XXXXX XXXXXXXX XXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 84 Gelston 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
$10,902
Municipal exemptions
Recent tax assessments
Market value
$1,369,000
Assessed value
$82,140

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 $1,279,000 $76,740 $54,942 19.843% $10,902 $10,902 +0.50%
2024/25 $1,191,000 $71,460 $54,012 20.085% $10,848 $10,848 +5.99%
2023/24 $1,363,000 $81,780 $50,959 20.085% $10,235 $10,235 +3.85%
2022/23 $1,282,000 $76,920 $48,528 20.309% $9,856 $9,856 +7.83%
2021/22 $1,230,000 $73,800 $45,785 19.963% $9,140 $9,140 -5.14%
2020/21 $1,028,000 $61,680 $45,785 21.045% $9,635 $9,635 +1.14%
2019/20 $1,137,000 $68,220 $45,010 21.167% $9,527 $9,527 +7.25%
2018/19 $918,000 $55,080 $42,466 20.919% $8,883 $8,883 +7.76%
2017/18 $857,000 $51,420 $40,440 20.385% $8,244 $8,244 +8.08%
2016/17 $931,000 $55,860 $38,154 19.991% $7,627 $7,627 +2.23%

Permit information for 84 Gelston Avenue, 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.

Bay Ridge residential market stats

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

Median sale price

$501,940

-8.7% Y-o-Y

Median price/sq. ft.

$618

-5.5% 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
4th Ave & 93th St at NE Corner
Station lines
R
Distance (miles)
0.214

Access the detailed traffic volume map for 84 Gelston Avenue, Brooklyn, NY 11209 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. 264 Bay Ridge Elementary School For The Arts 7 Yes Public K-5 387 0.17
P.S. Is 104 The Fort Hamilton School 7 No Public K-8 1,103 0.11
St Patrick School NR No Private PK-8 167 0.38
St Patrick School NR No Private PK-8 167 0.38
St Anselm Elementary School NR No Private PK-8 340 0.42
St Anselm Elementary School NR No Private PK-8 340 0.42
P.S. 185 Walter Kassenbrock 8 No Public K-5 576 0.45
Adelphi Academy NR No Private PK, K-12 0 0.47
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
P.S. Is 104 The Fort Hamilton School 7 Yes Public K-8 1,103 0.11
St Patrick School NR No Private PK-8 167 0.38
St Anselm Elementary School NR No Private PK-8 340 0.42
Adelphi Academy NR No Private PK, K-12 0 0.47
Visitation Academy NR No Private PK-8 114 0.48
Poly Prep Country Day School NR No Private PK-12 1,060 0.49
Madeleine Brennan School (The) 9 No Public 6-8 1,554 0.74
Jhs 259 William Mckinley 7 No Public 6-8 1,591 0.81
P.S. 229 Dyker 7 No Public PK, K-8 1,144 0.96
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Fort Hamilton High School 4 Yes Public 9-12 3,925 0.84
Adelphi Academy NR No Private PK, K-12 0 0.47
Poly Prep Country Day School NR No Private PK-12 1,060 0.49
Fontbonne Hall Academy NR No Private 9-12 439 0.62
Bay Ridge Preparatory School NR No Private K-12 375 0.83
High School of Telecommunication Arts and Technology 6 No Public 9-12 1,273 1.23
Xaverian High School NR No Private 6-12 1,537 1.28
New Utrecht High School 3 No Public 9-12 3,112 1.38

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

Frequently asked questions

What is the year built for 84 Gelston Avenue, Brooklyn, NY 11209?

The development at 84 Gelston Avenue, Brooklyn, NY 11209 was built in 1940.

What is the total square footage of 84 Gelston Avenue, Brooklyn, NY 11209?

84 Gelston Avenue, Brooklyn, NY 11209 has a total of 1,977 square feet.

What is the assessed value of 84 Gelston Avenue, Brooklyn, NY 11209?

84 Gelston Avenue, Brooklyn, NY 11209 is currently assessed at $82,140.

What are the property taxes for 84 Gelston Avenue, Brooklyn, NY 11209?

The property taxes for 84 Gelston Avenue, Brooklyn, NY 11209 total $10,902.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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