New York City  »  11217  »  St Marks Ave  »  20 St Marks Ave

20 St Marks Avenue, Brooklyn, NY 11217 - Property report

Also known as: 20 St Marks Ave

Property image for 20 St Marks Avenue, Brooklyn, NY 11217
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Property type

Two Family Converted from One Family (B3)

Year built

1901

Lot sq. ft.

1,511

General information

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Address
Primary address
20 St Marks Avenue
ZIP code
11217
Neighborhood
Park Slope
Borough
Brooklyn
Block & lot
00935-0016

Owner

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Building
Property type
Two Family Converted from One Family (B3)
Building sq. ft.
3,096
Building dimensions
18.75 ft x 40 ft
Buildings on lot
1
Stories
3
Year built
1901
Building material
Brick
Exterior wall
Brick/Masonary
Basement
4
Tax
Tax year
2026-2027
Property tax
$6,433
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)
St Marks Avenue (narrow)
Nearest wide street
5 Avenue
Distance to wide street
Lot dimensions
18.75 ft x 80.58 ft
Lot sq. ft.
1,511

Area overview

Walk score
99 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
90 /100.  Biker's Paradise
School district
13
Community district
6
Closest police station
0.13 Miles
Closest fire station
0.15 Miles

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

Ownership information for 20 St Marks Avenue, Brooklyn, NY

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

Sales history for 20 St Marks 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
08/04/2023 - R
07/13/2023 - D
Mortgage
(2023080300490001)
XXXXXXXX XXXXXXXX XX XXXX XX
02/28/2023 - R
02/01/2023 - D
Deed
(2023022300362001)
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
01/11/2021 - R
01/06/2021 - D
Landmark Designation
(2021010600542001)
XXX XXXXXXXXX XXXXXXXXXXXX XXXXXXXXXX
07/03/2018 - R
06/26/2018 - D
Satisfaction of Mortgage
(2018062701604001)
XXXXXXXX XXXXXXXX XX XXXX X X
07/03/2018 - R
06/26/2018 - D
Termination of Assign of L&R
(2018062701549001)
XXXXXXXX XXXXXXXX XX XXXX X X
08/05/2008 - R
06/30/2008 - D
Satisfaction of Mortgage
(2008070400017001)
XXXXX XXXX XXXX
07/30/2008 - R
06/11/2008 - D
Deed
(2008072201526001)
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
07/08/2008 - R
06/06/2008 - D
Assignment of Leases and Rents
(2008070200171001)
XXXXXXXX XXXXXXXX XX XXXX XX
07/08/2008 - R
06/06/2008 - D
Mortgage
(2008070200154001)
XXXXXXXX XXXXXXXX XX XXXX XX
05/07/1996 - R Agreement
(3380005185238)
XXXXXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 20 St Marks 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
$6,433
Municipal exemptions
Recent tax assessments
Market value
$4,473,000
Assessed value
$268,380

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 $3,630,000 $217,800 $35,127 19.843% $7,252 $6,970 -0.61%
2024/25 $3,361,000 $201,660 $34,917 20.085% $7,282 $7,013 +6.40%
2023/24 $3,819,000 $229,140 $32,816 20.085% $6,872 $6,591 +13.36%
2022/23 $3,812,000 $228,720 $28,630 20.309% $6,556 $5,814 +7.58%
2021/22 $3,895,000 $233,700 $27,076 19.963% $6,080 $5,405 -5.49%
2020/21 $3,256,000 $195,360 $27,176 21.045% $6,409 $5,719 +0.06%
2019/20 $3,197,000 $191,820 $27,004 21.167% $6,395 $5,716 +8.20%
2018/19 $2,666,000 $159,960 $25,253 20.919% $5,965 $5,283 +9.39%
2017/18 $3,303,000 $198,180 $23,690 20.385% $5,484 $4,829 +9.80%
2016/17 $2,826,000 $169,560 $22,000 19.991% $5,074 $4,398 +2.51%

Permit information for 20 St Marks Avenue, Brooklyn, NY

No recently recorded permits for this property.

More about New York City property records

HPD Violations

No recently recorded violations for this property.

Park Slope residential market stats

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

Median sale price

$1,619,646

12.4% Y-o-Y

Median price/sq. ft.

$1,514

6.4% 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
Flatbush Ave & Bergen St at SW Corner
Station lines
2-3
Distance (miles)
0.076

Access the detailed traffic volume map for 20 St Marks 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. 282 Park Slope 5 Yes Public PK, K-5 496 0.27
P.S. 282 Park Slope 5 Yes Public PK, K-5 496 0.27
Park Slope Christian Academy NR No Private PK, K-8 37 0.09
Park Slope Christian Academy NR No Private PK, K-8 37 0.09
P.S. 77 NR No Public K-12 304 0.12
P.S. 133 William A Butler 6 No Public PK, K-5 609 0.20
P.S. 133 William A Butler 6 No Public PK, K-5 609 0.20
Berkeley Carroll School NR No Private PK-12 977 0.36
Berkeley Carroll School NR No Private PK-12 977 0.36
Hensen Preparatory School NR No Private PK, K-8 0 0.39
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Park Slope Christian Academy NR No Private PK, K-8 37 0.09
P.S. 77 NR No Public K-12 304 0.12
Ms 266 Park Place Community Middle School 4 No Public 6-8 69 0.12
The Math And Science Exploratory School 7 No Public 6-8 522 0.29
Berkeley Carroll School NR No Private PK-12 977 0.36
Hensen Preparatory School NR No Private PK, K-8 0 0.39
St Francis Xavier School NR No Private PK-8 175 0.42
P.S. 753 School For Career Development NR No Public 6-12 354 0.43
Hanson Place Elementary School NR No Private PK, K-8 99 0.44
Is 340 7 No Public 6-8 150 0.47
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
P.S. 77 NR No Public K-12 304 0.12
Brooklyn High School of the Arts 5 No Public 9-12 927 0.29
Berkeley Carroll School NR No Private PK-12 977 0.36
Khalil Gibran International Academy 2 No Public 9-12 134 0.41
P.S. 753 School For Career Development NR No Public 6-12 354 0.43
Berkeley Carroll Elementary School NR No Private PK-12 940 0.44
Brooklyn Technical High School 10 No Public 9-12 5,940 0.59
P.S. 369 Coy L Cox School NR No Public K-12 487 0.60
Bishop Loughlin Memorial High School NR No Private 9-12 621 0.61
Brooklyn Free School NR No Private PK-12 76 0.66

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

Frequently asked questions

What is the year built for 20 St Marks Avenue, Brooklyn, NY 11217?

The development at 20 St Marks Avenue, Brooklyn, NY 11217 was built in 1901.

What is the total square footage of 20 St Marks Avenue, Brooklyn, NY 11217?

20 St Marks Avenue, Brooklyn, NY 11217 has a total of 3,096 square feet.

What is the assessed value of 20 St Marks Avenue, Brooklyn, NY 11217?

20 St Marks Avenue, Brooklyn, NY 11217 is currently assessed at $268,380.

What are the property taxes for 20 St Marks Avenue, Brooklyn, NY 11217?

The property taxes for 20 St Marks Avenue, Brooklyn, NY 11217 total $6,432.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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