New York City  »  11233  »  Marconi Pl  »  21 Marconi Pl

21 Marconi Place, Brooklyn, NY 11233 - Property report

Also known as: 21 Marconi Pl

Property image for 21 Marconi Place, Brooklyn, NY 11233
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Property type

Miscellaneous Two Family (B9)

Year built

1901

Lot sq. ft.

1,639

Sale price

$137,000

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
21 Marconi Place
ZIP code
11233
Neighborhood
Ocean Hill
Borough
Brooklyn
Block & lot
01566-0008

Owner

Find out who owns 21 Marconi Place, Brooklyn, NY 11233. Uncover corporate and individual owners with a free account.

Building
Property type
Miscellaneous Two Family (B9)
Building sq. ft.
1,530
Building dimensions
17.25 ft x 45 ft
Buildings on lot
1
Stories
2
Year built
1901
Building material
Frame
Exterior wall
Artificial MS
Basement
4
Sales
Sale date
03/31/2015
Sale price
$137,000
Tax
Tax year
2026-2027
Property tax
$2,482
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)
Marconi Place (narrow)
Nearest wide street
Atlantic Avenue
Distance to wide street
Lot dimensions
17.25 ft x 95 ft
Lot sq. ft.
1,639

Area overview

Walk score
88 /100.  Very Walkable
Transit score
100 /100.  Rider's Paradise
Bike score
66 /100.  Bikeable
School district
23
Community district
16
Closest police station
0.40 Miles
Closest fire station
0.39 Miles

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

Ownership information for 21 Marconi Place, Brooklyn, NY

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

Sales history for 21 Marconi Place, Brooklyn, NY 11233

Sale date Sale price Buyer name Seller name
03/31/2015 $137,000 XXXXXX, XXXXXX XXXXXXX, XXXXXX XXX XXXXXX, XXXXXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
10/11/2019 - R
10/09/2019 - D
Satisfaction of Mortgage
(2019101001109001)
XXXXXX XXXXXX XXX XXXXXXXXXXXX XX XXXXXX XXXXXXXX
09/16/2019 - D
09/16/2019 - R
Deed
(2019091600465001)
XXXXXX XXXXXX XXXXXX XXXXXX X
04/22/2019 - R
01/25/2019 - D
Mortgage
(2019042200208001)
XXXXXX XXXXXX XXX XXXXXXXXXXXX XX XXXXXX XXXXXXXX
06/03/2016 - R
03/19/2016 - D
Mortgage and Consolidation
(2016052700418001)
XXXXXX XXXXXX XX XXXX XX
04/23/2015 - R
03/31/2015 - D
Deed
(2015040600870001)
XXXXXXX XXXXXX XXXXXX XXXXXX
11/04/2011 - R
05/28/2009 - D
Mortgage
(2011102600495001)
XXXXXXX XXXXXX XXXXXXXXX XX XXXXXXX XXX XXXXX XXXXXXXXXXX
11/12/2009 - R
05/27/2009 - D
Mortgage and Consolidation
(2009110900033001)
XXXXXXX XXXXX X X XXXX X X
04/21/2008 - R
03/31/2008 - D
Assignment, Mortgage
(2008041600688001)
XXXXXXXX XXXXXXXX XXXXXXX XXXX XX XXXX XX
04/04/2003 - R Satisfaction of Mortgage
(2003022701065005)
XXXXXX XXXXXXXX XXXXX XXX
10/16/2002 - R Mortgage
(3130008912513)
XXXXXX XXXXXXXX XXXXX XXX XXXXXXXX XXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 21 Marconi Place, 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
$2,482
Municipal exemptions
Recent tax assessments
Market value
$884,000
Assessed value
$53,040

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 $781,000 $46,860 $11,822 19.843% $2,346 $2,346 +4.51%
2024/25 $627,000 $37,620 $11,176 20.085% $2,245 $2,245 0.00%
2023/24 $747,000 $44,820 $11,176 20.085% $2,245 $2,245 +0.17%
2022/23 $819,000 $49,140 $11,034 20.309% $2,241 $2,241 +7.68%
2021/22 $632,000 $37,920 $10,423 19.963% $2,081 $2,081 +0.37%
2020/21 $766,000 $45,960 $9,852 21.045% $2,073 $2,073 +23.79%
2019/20 $643,000 $38,580 $7,913 21.167% $1,971 $1,675 +1.96%
2018/19 $861,000 $51,660 $7,853 20.919% $1,948 $1,643 +4.32%
2017/18 $672,000 $40,320 $7,725 20.385% $1,874 $1,575 +10.39%
2016/17 $506,000 $30,360 $7,136 19.991% $1,736 $1,427 +10.04%

Permit information for 21 Marconi Place, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
12/27/2022 Alteration
06/14/2021 Alteration
02/10/2021 Alteration
02/10/2021 Alteration
01/15/2021 Alteration

*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
12/20/2004 C
12/20/2004 C
11/23/2001 C

*Most recent HPD violations on record for this property.

Ocean Hill residential market stats

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

Median sale price

$615,000

-17.7% Y-o-Y

Median price/sq. ft.

$799

-1.8% 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

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Hopkinson Ave & Fulton St at SW Corner
Station lines
A-C
Distance (miles)
0.115

Access the detailed traffic volume map for 21 Marconi Place, Brooklyn, NY 11233 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)
Achievement First Brownsville Charter School 6 No Charter K-12 1,057 0.19
P.S. 178 Saint Clair Mckelway 4 No Public PK, K-8 280 0.19
P.S. 178 Saint Clair Mckelway 4 No Public PK, K-8 280 0.19
P.S. Is 155 Nicholas Herkimer 7 No Public PK, K-8 296 0.20
P.S. Is 155 Nicholas Herkimer 7 No Public PK, K-8 296 0.20
Ocean Hill Collegiate Charter School 7 No Charter K-9 411 0.23
Brooklyn Landmark Elementary School 8 No Public PK, K-5 404 0.26
Brooklyn Landmark Elementary School 8 No Public PK, K-5 404 0.26
Ark Christian Academy NR No Private K-6 14 0.30
Ark Christian Academy NR No Private K-5 60 0.31
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Achievement First Brownsville Charter School 6 No Charter K-12 1,057 0.19
P.S. 178 Saint Clair Mckelway 4 No Public PK, K-8 280 0.19
P.S. Is 155 Nicholas Herkimer 7 No Public PK, K-8 296 0.20
Eagle Academy for Young Men II 6 No Public 6-12 599 0.23
Ocean Hill Collegiate Charter School 7 No Charter K-9 411 0.23
Brooklyn Environmental Exploration 3 No Public 6-8 165 0.26
Our Lady of Lourdes School NR No Private PK, K-8 0 0.42
Leadership Preparatory Ocean Hill Charter School 6 No Charter K-12 1,202 0.46
People's Elementary School NR No Private PK-8 435 0.47
Ronald Edmonds Learning Center Ii 6 No Public 6-8 135 0.47
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Achievement First Brownsville Charter School 6 No Charter K-12 1,057 0.19
Brooklyn Collegiate A College Board School 3 No Public 9-12 413 0.19
Eagle Academy for Young Men II 6 No Public 6-12 599 0.23
Leadership Preparatory Ocean Hill Charter School 6 No Charter K-12 1,202 0.46
Charles Churn Christian Academy NR No Private PK-12 117 0.54
Teachers Preperatory High School NR No Public 9-12 189 0.78
Frederick Douglas Academy Vii High School 5 No Public 9-12 227 0.78
W H Maxwell Career and Technical Education High School 2 No Public 9-12 408 0.89
Brooklyn High School Law And Tech 3 No Public 9-12 549 0.91
Brownsville Academy High School 2 No Public 9-12 77 0.95

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

Frequently asked questions

What is the year built for 21 Marconi Place, Brooklyn, NY 11233?

The development at 21 Marconi Place, Brooklyn, NY 11233 was built in 1901.

What is the total square footage of 21 Marconi Place, Brooklyn, NY 11233?

21 Marconi Place, Brooklyn, NY 11233 has a total of 1,530 square feet.

When was 21 Marconi Place, Brooklyn, NY 11233 last sold and what was the sale price?

21 Marconi Place, Brooklyn, NY 11233 was last sold on 03/31/2015 for $137,000.

What is the assessed value of 21 Marconi Place, Brooklyn, NY 11233?

21 Marconi Place, Brooklyn, NY 11233 is currently assessed at $53,040.

What are the property taxes for 21 Marconi Place, Brooklyn, NY 11233?

The property taxes for 21 Marconi Place, Brooklyn, NY 11233 total $2,481.

How many residential units does this building have?

This building has 2 residential unit(s).

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