New York City  »  11217  »  S Portland Ave  »  21 S Portland Ave

21 South Portland Avenue, Brooklyn, NY 11217 - Property report

Also known as: 21 S Portland Ave

Property image for 21 South Portland Avenue, Brooklyn, NY 11217
static Mapbox map

Property type

Walk-up Cooperative Building (Other than Condominiums) (XC6)

Year built

1930

Lot sq. ft.

2,500

General information

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Address
Primary address
21 South Portland Avenue
ZIP code
11217
Neighborhood
Fort Greene
Borough
Brooklyn
Block & lot
02100-0024

Owner

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Building
Property type
Walk-up Cooperative Building (Other than Condominiums) (XC6)
Building sq. ft.
5,540
Building dimensions
25 ft x 45 ft
Buildings on lot
1
Stories
4
Year built
1930
Last altered
1986
Tax
Tax year
2026-2027
Property tax
$49,166
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
9
Residential sq. ft.
Commercial units
0
Office sq. ft.
Retail sq. ft.
Lot
Frontage(s)
South Portland Avenue (narrow)
Nearest wide street
Dekalb Avenue
Distance to wide street
Lot dimensions
25 ft x 100 ft
Lot sq. ft.
2,500

Area overview

Walk score
96 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
95 /100.  Biker's Paradise
School district
13
Community district
2
Closest police station
0.54 Miles
Closest fire station
0.26 Miles

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

Units for 21 South Portland Avenue, Brooklyn, NY

Unit Sale date Sale price Sq. ft. Price/Sq. ft.
Unit 1 05/06/2015 1,100
Unit 2F
Unit 2R 09/04/2014
Unit 3F 10/13/2020 600
Unit 3R 10/26/2021 600
Unit 4F 04/05/2007
Unit 4R 05/05/2022
Unit 6R
Unit F 09/08/2023
Unit GR 675
Unit R 03/23/2016 675

Ownership information for 21 South Portland Avenue, Brooklyn, NY

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

Sales history for 21 South Portland Avenue, Brooklyn, NY 11217

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
09/15/2021 - R
08/30/2021 - D
Termination of Assign of L&R
(2021090701242001)
XX XX XXXX XXXXXX XXX XXXXXX XXX
09/15/2021 - R
08/30/2021 - D
Satisfaction of Mortgage
(2021090701234001)
XX XX XXXX XXXXXX XXX XXXXXX XXX
07/14/2003 - R
07/07/2003 - D
Initial Coop UCC1
(2003070701116001)
XXXXXX XXXXXXXXX XX XX XXXX XXXXXX XXX
06/17/2003 - R Initial Coop UCC1
(2003061101176001)
XXXXX XXXXXXXX XXXX XX XXX XXXX
03/10/2003 - R UCC3 Termination
(2003021302491001)
XXXXXX XXXXX XXXXXXXX XX
03/06/2003 - R UCC3 Termination
(2003020301632001)
XXXXXXXXX XXXXXX X XX XXXXXX XXXXX XXXX
11/21/2002 - R Assignment, Mortgage
(3250009002325)
XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX XXXXXX XXX
11/21/2002 - R Assignment, Mortgage
(3200009002320)
XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX XXXXXX XXX
07/12/2002 - R UCC3 Assignment
(3390008714939)
XXXXXX XXXXXXX X
05/28/2002 - R Initial UCC1
(3460008402246)
XX XX XXXX XXXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 21 South Portland 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
$49,166
Municipal exemptions
Recent tax assessments
Market value
$3,624,000
Assessed value
$1,630,800

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 $3,020,000 $1,359,000 $377,729 12.439% $47,271 $43,321 +7.42%
2024/25 $2,516,400 $1,132,380 $349,721 12.5% $43,984 $40,327 +11.10%
2023/24 $2,097,000 $943,650 $321,167 12.502% $40,732 $36,299 +9.64%
2022/23 $2,621,000 $1,179,450 $298,587 12.267% $37,507 $33,107 +0.37%
2021/22 $2,885,000 $1,298,250 $298,377 12.235% $37,409 $32,985 -5.70%
2020/21 $3,105,000 $1,397,250 $285,152 12.267% $35,859 $34,980 +6.36%
2019/20 $2,981,000 $1,341,450 $263,680 12.473% $33,761 $32,889 +7.19%
2018/19 $2,905,000 $1,307,250 $243,271 12.612% $31,608 $30,681 +5.63%
2017/18 $2,490,000 $1,120,500 $228,358 12.719% $29,915 $29,045 -1.24%
2016/17 $1,992,000 $896,400 $228,118 12.892% $30,322 $29,409 +4.80%

Permit information for 21 South Portland Avenue, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
09/11/2006 Alteration type 2
10/25/2005 Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

HPD Violations

Violation ID Inspection date Class NOV issue date Status
05/05/2026 A
06/10/2025 A
11/27/2024 I

*Most recent HPD violations on record for this property.

Fort Greene residential market stats

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

Median sale price

$1,564,600

36.6% Y-o-Y

Median price/sq. ft.

$1,188

7.8% 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
Fort Greene Pl & Lafayette Ave at NE Corner
Station lines
G
Distance (miles)
0.155

Access the detailed traffic volume map for 21 South Portland Avenue, Brooklyn, NY 11217 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. 20 Clinton Hill 6 Yes Public PK, K-5 619 0.24
P.S. 20 Clinton Hill 6 Yes Public PK, K-5 619 0.24
Compass Charter School 7 No Charter PK, K-5 316 0.16
Compass Charter School 7 No Charter PK, K-5 316 0.16
Hanson Place Elementary School NR No Private PK, K-8 99 0.20
Hanson Place Elementary School NR No Private PK, K-8 99 0.20
Hanson Place Elementary School NR No Private PK-8 43 0.21
Hanson Place Elementary School NR No Private PK-8 43 0.21
Hensen Preparatory School NR No Private PK, K-8 0 0.24
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Ms 113 Ronald Edmonds Learning Center 5 No Public 6-8 226 0.16
Hanson Place Elementary School NR No Private PK, K-8 99 0.20
Hanson Place Elementary School NR No Private PK-8 43 0.21
Hensen Preparatory School NR No Private PK, K-8 0 0.24
Queen Of All Saints NR No Private K-8 121 0.29
Child Study Center of New York NR No Private 0 0.32
Fort Green Preparatory Academy 5 No Public 6-8 173 0.43
Community Roots Charter School 6 No Charter K-8 469 0.45
The Math And Science Exploratory School 7 No Public 6-8 522 0.47
P.S. 369 Coy L Cox School NR No Public K-12 487 0.48
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Brooklyn Technical High School 10 No Public 9-12 5,940 0.10
Child Study Center of New York NR No Private 0 0.32
Bishop Loughlin Memorial High School NR No Private 9-12 621 0.33
Khalil Gibran International Academy 2 No Public 9-12 134 0.34
Brooklyn Free School NR No Private PK-12 76 0.38
Brooklyn High School of the Arts 5 No Public 9-12 927 0.47
P.S. 369 Coy L Cox School NR No Public K-12 487 0.48
P.S. 753 School For Career Development NR No Public 6-12 354 0.53
Benjamin Banneker Academy 8 No Public 9-12 759 0.54
Dr Susan S Mckinney Secondary School Of The Arts 4 No Public 6-12 247 0.54

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

Frequently asked questions

What is the year built for 21 South Portland Avenue, Brooklyn, NY 11217?

The development at 21 South Portland Avenue, Brooklyn, NY 11217 was built in 1930.

What is the total square footage of 21 South Portland Avenue, Brooklyn, NY 11217?

21 South Portland Avenue, Brooklyn, NY 11217 has a total of 5,540 square feet.

What is the assessed value of 21 South Portland Avenue, Brooklyn, NY 11217?

21 South Portland Avenue, Brooklyn, NY 11217 is currently assessed at $1,630,800.

What are the property taxes for 21 South Portland Avenue, Brooklyn, NY 11217?

The property taxes for 21 South Portland Avenue, Brooklyn, NY 11217 total $49,165.

How many residential units does this building have?

This building has 9 residential unit(s).

Disclaimer

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