New York City  »  11234  »  Avenue K  »  4820 Avenue K

4820 Avenue K, Brooklyn, NY 11234 - Property report

Also known as: 4820 Avenue K

Property image for 4820 Avenue K, Brooklyn, NY 11234
static Mapbox map

Property type

Adult Care Facility (I7)

Year built

1931

Lot sq. ft.

3,775

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
4820 Avenue K
Alternate address(es)
4815 Flatlands Ave
ZIP code
11234
Neighborhood
Flatlands
Borough
Brooklyn
Block & lot
07828-0062

Owner

Find out who owns 4820 Avenue K, Brooklyn, NY 11234. Uncover corporate and individual owners with a free account.

Building
Property type
Adult Care Facility (I7)
Building sq. ft.
3,700
Building dimensions
71.5 ft x 43.5 ft
Buildings on lot
1
Stories
3
Year built
1931
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
102.5 ft x 73.58 ft
Lot sq. ft.
3,775

Area overview

Walk score
87 /100.  Very Walkable
Transit score
81 /100.  Excellent Transit
Bike score
61 /100.  Bikeable
School district
22
Community district
18
Closest police station
0.67 Miles
Closest fire station
0.70 Miles

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

Ownership

Ownership information for 4820 Avenue K, Brooklyn, NY

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

Sales history for 4820 Avenue K, 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
03/30/2016 - R
03/18/2016 - D		 Satisfaction of Mortgage
(2016031800564001)		 XXXXX XXXXXXXXXX XXXXXX XXX XXXXXXXX XXXX XX
07/22/2002 - R Mortgage
(3900008774490)		 XXXXX XXXXXXXXXX XXXXXX XXXXXXXX XXXX
07/22/2002 - R Satisfaction of Mortgage
(3530008776953)		 XXXXXX XXXXXXXXXX XXXXXX XXX
04/27/1992 - R Initial UCC1
(3190003955919)		 XXXXX XXXXXXXXXX XXXXXX XXX XXXXXXXXXXXXX XXXXXXX XXXXX XXXXXXX
10/25/1991 - R Agreement
(3000001646600)		 XXXXXXXXXXXXX XXXXXXX XX XXXXX XXXXXXXXXX XXXXXX
06/16/1986 - R Satisfaction of Mortgage
(3360001174936)		 XXXXX XXXXX XXXX XXX XX XXXX
05/06/1986 - R Uniform Commercial Code 1
(3100001838610)		 XXXXX XXXXXXXXXX XXXXXX XXXXXXXXXXXXX XXXXXXX XX
05/06/1986 - R Mortgage
(3870001164787)		 XXXXX XXXXXXXXXX XXXXXX XXX XXXXXXXXXXXXX XXX XXXX
05/06/1986 - R Satisfaction of Mortgage
(3410001164841)		 XXXXX XXXXX XXXXXXXX XXXXXX XXXXX X
05/06/1986 - R
04/11/1986 - D		 Deed
(3860001164786)		 XXXXX XXXXXXX XXXXX XXXXXXXXXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4820 Avenue K, 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
$990,000
Assessed value
$445,500

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 $966,000 $434,700 $0 10.848% $44,305 $0 n/a
2024/25 $952,000 $428,400 $0 10.762% $44,225 $0 n/a
2023/24 $933,000 $419,850 $0 10.592% $43,651 $0 n/a
2022/23 $880,000 $396,000 $0 10.646% $42,158 $0 n/a
2021/22 $807,000 $363,150 $0 10.755% $39,057 $0 n/a
2020/21 $994,000 $447,300 $0 10.694% $44,167 $0 n/a
2019/20 $965,000 $434,250 $0 10.537% $41,546 $0 n/a
2018/19 $927,000 $417,150 $0 10.514% $39,251 $0 n/a
2017/18 $873,000 $392,850 $0 10.514% $37,226 $0 n/a
2016/17 $830,000 $373,500 $0 10.574% $35,725 $0 n/a
Permits

Permit information for 4820 Avenue K, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
04/23/2025 Alteration
10/02/2002 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
02/21/2018 Aeuhaz1-fail to certify class 1
01/19/2007 Ll6291-local law 62/91 - boilers
01/19/2007 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

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)
1.072
View subway map

Access the detailed traffic volume map for 4820 Avenue K, 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

Neighbors for 4820 Avenue K, Brooklyn, NY

4810 Flatlands Ave, Brooklyn 1467 E 48th St, Brooklyn 1454 E 49th St, Brooklyn 4814 Flatlands Ave, Brooklyn 1460 E 49th St, Brooklyn 1472 E 49th St, Brooklyn 4806 Avenue K, Brooklyn 1471 E 48th St, Brooklyn 4802 Avenue K, Brooklyn 1469 E 48th St, Brooklyn 1473 E 48th St, Brooklyn 1462 E 49th St, Brooklyn 1468 E 49th St, Brooklyn 1476 E 49th St, Brooklyn 1458 E 49th St, Brooklyn 4802 Flatlands Ave, Brooklyn 1466 E 49th St, Brooklyn 1478 E 49th St, Brooklyn 4810 Avenue K, Brooklyn 1474 E 49th St, Brooklyn

Nearby ZIP codes for 4820 Avenue K, 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 4820 Avenue K, Brooklyn, NY 11234?

The development at 4820 Avenue K, Brooklyn, NY 11234 was built in 1931.

What is the total square footage of 4820 Avenue K, Brooklyn, NY 11234?

4820 Avenue K, Brooklyn, NY 11234 has a total of 3,700 square feet.

What is the assessed value of 4820 Avenue K, Brooklyn, NY 11234?

4820 Avenue K, Brooklyn, NY 11234 is currently assessed at $445,500.

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