New York City  »  11226  »  E 21st St  »  421 E 21st St

421 East 21st Street, Brooklyn, NY 11226 - Property report

Also known as: 421 E 21st St

Property image for 421 East 21st Street, Brooklyn, NY 11226
static Mapbox map

Property type

Walk-up Apartment - Over Six Families with Stores (C7)

Year built

1918

Lot sq. ft.

9,050

General information

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Address
Primary address
421 East 21st Street
Alternate address(es)
2101 E 21st St
2101-2109 Cortelyou Rd
421-425 E 21st St
ZIP code
11226
Neighborhood
Flatbush
Borough
Brooklyn
Block & lot
05152-0020

Owner

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Building
Property type
Walk-up Apartment - Over Six Families with Stores (C7)
Building sq. ft.
21,400
Building dimensions
90 ft x 81.5 ft
Buildings on lot
1
Stories
4
Year built
1918
Last altered
1995
Building material
Tax
Tax year
2026-2027
Property tax
$123,941
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
20
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
90.5 ft x 100 ft
Lot sq. ft.
9,050

Area overview

Walk score
91 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
85 /100.  Very Bikeable
School district
22
Community district
15
Closest police station
1.22 Miles
Closest fire station
0.49 Miles

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Ownership information for 421 East 21st Street, Brooklyn, NY

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

Sales history for 421 East 21st Street, Brooklyn, NY 11226

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
07/13/2026 - R
06/19/2026 - D
Deed
(2026070900202001)
XXXX XXXXXXXXX XXX XXX XXXX XXXX XXXXXX XXX
01/04/2023 - R
12/14/2022 - D
Termination of Assign of L&R
(2022122900791002)
XXXX XXXXXXXXX XXX XXXXX XX XXXX XXXXXXX XXXX XXX XXXXX XXXX
01/04/2023 - R
12/14/2022 - D
Satisfaction of Mortgage
(2022122900791001)
XXXX XXXXXXXXX XXX XXXXX XX XXXX XXXXXXX XXXX XXX XXXXX XXXX
12/21/2022 - R
12/07/2022 - D
Both RPTT and RETT
(2022121400287001)
XXXX XXXXXXXXX XXX XXXX XXXXXXXXX XXX
09/01/2021 - R
08/24/2021 - D
Agreement
(2021083000061001)
XXXXX XXXXXX XXXXXXX XXX XXXX XXXXXXXXX XXX
06/23/2009 - R
06/10/2009 - D
Deed
(2009061900080001)
XXXXXXX XXXXXXX X XXXX XXXXXXXXX XXX
01/04/1999 - R Assignment, Mortgage
(3710006397571)
XXXXXX XXXXX XX XXXXXX XXXXXX XXXXXXX XXXX
01/04/1999 - R Mortgage
(3740006397674)
XXXXXX XXXXX XX XXXXXX XXXXXX XXXXXXX XXXX
01/04/1999 - R
08/27/1998 - D
Deed
(3860006398686)
XXXXXX XXXXXXX XXXXXX XXXXX XX
09/17/1992 - R Deed
(3790001715279)
XXXX XXXXXXXXXXX XXXXXX XX XXXX XXXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 421 East 21st Street, 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
$123,941
Municipal exemptions
Recent tax assessments
Market value
$2,349,000
Assessed value
$1,057,050

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 $2,015,000 $906,750 $906,750 12.439% $112,791 $112,791 -4.81%
2024/25 $2,157,000 $970,650 $947,880 12.5% $118,485 $118,485 +3.31%
2023/24 $2,475,000 $1,113,750 $917,370 12.502% $114,690 $114,690 +9.55%
2022/23 $2,075,000 $933,750 $853,470 12.267% $104,695 $104,695 +5.94%
2021/22 $1,822,000 $819,900 $807,750 12.235% $98,828 $98,828 +2.16%
2020/21 $2,003,000 $901,350 $788,580 12.267% $96,735 $96,735 +8.15%
2019/20 $1,818,000 $818,100 $717,118 12.473% $89,446 $89,446 +9.45%
2018/19 $1,765,000 $794,250 $647,998 12.612% $81,726 $81,726 +6.91%
2017/18 $1,567,000 $705,150 $601,018 12.719% $76,443 $76,443 +8.01%
2016/17 $1,609,000 $724,050 $548,998 12.892% $70,777 $70,777 +13.25%

Permit information for 421 East 21st Street, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
05/24/2025 Alteration
05/21/2025 Alteration
05/21/2025 Alteration
03/17/2025 Alteration
05/14/2024 Alteration

*Most recent permits on record for this property.

More about New York City property records

DOB Violations

Violation ID Issue date Type Status
02/10/1997 Ll6291-local law 62/91 - boilers
08/29/1995 Ll6291-local law 62/91 - boilers
06/01/1994 Ll6291-local law 62/91 - boilers

*Most recent DOB violations on record for this property.

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
6

Subway & traffic

Closest station
Marlborough Rd & Beverly Rd at SE Corner
Station lines
B-Q
Distance (miles)
0.314

Access the detailed traffic volume map for 421 East 21st Street, Brooklyn, NY 11226 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

Frequently asked questions

What is the year built for 421 East 21st Street, Brooklyn, NY 11226?

The development at 421 East 21st Street, Brooklyn, NY 11226 was built in 1918.

What is the market value of 421 East 21st Street, Brooklyn, NY 11226?

The current market value of 421 East 21st Street, Brooklyn, NY 11226 is $2,349,000.

What is the total square footage of 421 East 21st Street, Brooklyn, NY 11226?

421 East 21st Street, Brooklyn, NY 11226 has a total of 21,400 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 5.

Disclaimer

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