New York City  »  11209  »  4th Ave  »  9424 4th Ave

Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209 - Property report

Also known as: 9424 4th Ave

Property image for Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209
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Property type

Library (P8)

Year built

1942

Lot sq. ft.

10,913

General information

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Address
Building name
Fort Hamilton Branch Library
Primary address
Fort Hamilton Branch Library - 9424 4th Avenue
ZIP code
11209
Neighborhood
Bay Ridge
Borough
Brooklyn
Block & lot
06114-0037

Owner

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Building
Property type
Library (P8)
Building sq. ft.
3,725
Building dimensions
57 ft x 57 ft
Buildings on lot
1
Stories
1
Year built
1942
Last altered
2013
Building material
Tax
Tax year
2026-2027
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
0
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
103.92 ft x 124.5 ft
Lot sq. ft.
10,913

Area overview

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

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Ownership

Ownership information for Fort Hamilton Branch Library - 9424 4th 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 Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209

No recently recorded sales for this property.

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Title documents

No recently recorded documents for this property.

Tax

Property taxes for Fort Hamilton Branch Library - 9424 4th 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
Municipal exemptions
Recent tax assessments
Market value
$2,109,000
Assessed value
$949,050

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 $2,060,000 $927,000 $0 10.848% $93,756 $0 n/a
2024/25 $2,015,000 $906,750 $0 10.762% $93,129 $0 n/a
2023/24 $1,969,000 $886,050 $0 10.592% $91,849 $0 n/a
2022/23 $1,877,000 $844,650 $0 10.646% $89,921 $0 n/a
2021/22 $1,682,000 $756,900 $0 10.755% $81,405 $0 n/a
2020/21 $2,072,000 $932,400 $0 10.694% $92,868 $0 n/a
2019/20 $2,035,000 $915,750 $0 10.537% $87,521 $0 n/a
2018/19 $1,947,000 $876,150 $0 10.514% $82,419 $0 n/a
2017/18 $1,846,000 $830,700 $0 10.514% $78,104 $0 n/a
2016/17 $1,749,000 $787,050 $0 10.574% $74,715 $0 n/a
Permits

Permit information for Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
10/23/2025 Alteration
06/26/2013 Alteration type 3
01/18/2012 Alteration type 2
05/18/2011 Alteration type 2
12/02/2009 Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
12/31/2009 Lblvio-low pressure boiler
05/04/1998 Ll6291-local law 62/91 - boilers
09/16/1997 Ll6291-local law 62/91 - boilers

*Most recent DOB violations on record for this property.

Neighborhood

Brooklyn commercial market stats

Review a detailed real estate market overview of Brooklyn and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Brooklyn and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$533

1.5% Y-o-Y

Q1 2026 median price/sq. ft.

$471

-8.9% Y-o-Y

2025 median price/sq. ft.

$523

5.2% Y-o-Y

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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 & 95th St at NW Corner
Station lines
R
Distance (miles)
0.014
View subway map

Access the detailed traffic volume map for Fort Hamilton Branch Library - 9424 4th 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

Neighbors for Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY

371 95th St, Brooklyn 327 95th St, Brooklyn 9402 4th Ave, Brooklyn 329 95th St, Brooklyn 325 95th St, Brooklyn 378 94th St, Brooklyn 337 95th St, Brooklyn 366 94th St, Brooklyn 367 95th St, Brooklyn 9404 4th Ave, Brooklyn 335 95th St, Brooklyn 333 95th St, Brooklyn 9408 4th Ave, Brooklyn 368 94th St, Brooklyn 361 95th St, Brooklyn 9412 4th Ave, Brooklyn 9406 4th Ave, Brooklyn 372 94th St, Brooklyn 323 95th St, Brooklyn 364 94th St, Brooklyn

Nearby ZIP codes for Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY

10004, New York City, NY 10301, New York City, NY 10304, New York City, NY 11201, New York City, NY 11204, New York City, NY 11214, New York City, NY 11215, New York City, NY 11217, New York City, NY 11218, New York City, NY 11219, New York City, NY 11220, New York City, NY 11223, New York City, NY 11224, New York City, NY 11226, New York City, NY 11228, New York City, NY 11230, New York City, NY 11231, New York City, NY 11232, New York City, NY

Frequently asked questions

What is the year built for Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209?

The development at Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209 was built in 1942.

What is the total square footage of Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209?

Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209 has a total of 3,725 square feet.

What is the assessed value of Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209?

Fort Hamilton Branch Library - 9424 4th Avenue, Brooklyn, NY 11209 is currently assessed at $949,050.

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