New York City  »  11215  »  Prospect Ave  »  321 Prospect Ave

321 Prospect Avenue, Brooklyn, NY 11215 - Property report

Also known as: 321 Prospect Ave

Property image for 321 Prospect Avenue, Brooklyn, NY 11215
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Property type

Two Family Converted from One Family (B3)

Year built

1901

Lot sq. ft.

1,473

Sale price

$1,950,000

General information

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Address
Primary address
321 Prospect Avenue
ZIP code
11215
Neighborhood
Park Slope
Borough
Brooklyn
Block & lot
01054-0047

Owner

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Building
Property type
Two Family Converted from One Family (B3)
Building sq. ft.
2,068
Building dimensions
18.42 ft x 30 ft
Buildings on lot
1
Stories
2
Year built
1901
Building material
Frame
Exterior wall
Composition
Basement
4
Sales
Sale date
01/20/2021
Sale price
$1,950,000
Tax
Tax year
2026-2027
Property tax
$3,049
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)
Prospect Avenue (wide)
Distance to wide street
Lot dimensions
18.42 ft x 80 ft
Lot sq. ft.
1,473

Area overview

Walk score
97 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
80 /100.  Very Bikeable
School district
15
Community district
7
Closest police station
0.74 Miles
Closest fire station
0.33 Miles

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

Ownership

Ownership information for 321 Prospect Avenue, Brooklyn, NY

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

Sales history for 321 Prospect Avenue, Brooklyn, NY 11215

Sale date Sale price Buyer name Seller name
01/20/2021 $1,950,000 XXXXXX, XXXX XXX XXXXXX, XXXXXXX XXXXXX XXX XXXXXX, XXXXXX XXX XXXXXX, XXXXXX XXX XXXXXX, XXXXXXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
02/03/2021 - R
01/28/2021 - D		 Satisfaction of Mortgage
(2021012900775001)		 XXXXXX XXXXXXX XXXXX XXXX XXXXXXX XXX
02/03/2021 - R
01/20/2021 - D		 Mortgage
(2021012100908003)		 XXXXXX XXXX XXXXX XXXXX XXXX X X
02/03/2021 - R
01/20/2021 - D		 Deed
(2021012100908002)		 XXXXXX XXX XXXXXX XXXXXX XXXXXX XXXX
02/03/2021 - R
01/13/2021 - D		 Power of Attorney
(2021012100908001)		 XXXXXX XXXXXXX XXXXXX XXXXXX
12/08/2005 - R
10/06/2005 - D		 Assignment, Mortgage
(2005101801678001)		 XXXXX XXXXXXXXX XXXXXXXX XXX XXXXX XXXX XXXXXXX XXX
02/08/2002 - R UCC3 Termination
(3700007992470)		 XXXXXX XXXXXXX XXXXXXXX XXXXXXX XX
01/24/2002 - R Mortgage
(3050007973605)		 XXXXXX XXXXXXX XXXXX XXXXXXXXX XXXXXXXX XXX
01/24/2002 - R Satisfaction of Mortgage
(3030007973803)		 XXXXXX XXXXXXX XXXXXXXX XXXXXXX XX
10/16/2001 - R Mortgage
(3250007847825)		 XXXXXX XXXXXXX XXXXXXXX XXXXXXX XX
10/16/2001 - R Power of Attorney
(3590007847459)		 XXXXXXXXXX XXXXXXX XXXXXXXXXX XXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 321 Prospect 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
$3,049
Municipal exemptions
Recent tax assessments
Market value
$3,218,000
Assessed value
$193,080

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 $2,457,000 $147,420 $23,218 19.843% $4,607 $3,049 +7.16%
2024/25 $2,450,000 $147,000 $21,924 20.085% $4,403 $2,845 -32.76%
2023/24 $2,165,000 $129,900 $21,067 20.085% $4,231 $4,231 +3.11%
2022/23 $1,853,000 $111,180 $20,206 20.309% $4,104 $4,104 +6.26%
2021/22 $1,988,000 $119,280 $19,348 19.963% $3,862 $3,862 -5.15%
2020/21 $2,149,000 $128,940 $19,348 21.045% $4,072 $4,072 +5.29%
2019/20 $1,764,000 $105,840 $18,270 21.167% $3,867 $3,867 +5.30%
2018/19 $2,362,000 $141,720 $17,556 20.919% $3,673 $3,673 +7.00%
2017/18 $1,611,000 $96,660 $16,838 20.385% $3,432 $3,432 +6.49%
2016/17 $1,200,000 $72,000 $16,123 19.991% $3,223 $3,223 +2.23%
Permits

Permit information for 321 Prospect Avenue, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
06/23/2026 Alteration
04/19/2023 Alteration
04/05/2023 Alteration
02/27/2023 Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

No recently recorded violations for this property.

Neighborhood

Park Slope South residential market stats

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

Median sale price

—

Median price/sq. ft.

—

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
4th Ave & Prospect Ave at NE Corner
Station lines
R
Distance (miles)
0.325
View subway map

Access the detailed traffic volume map for 321 Prospect Avenue, Brooklyn, NY 11215 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.10 Magnet School for Math, Science & Design Technology 8 Yes Public K-5 829 0.14
P.S. 295 7 No Public PK, K-5 242 0.14
P.S. 295 7 No Public PK, K-5 242 0.14
P.S. 53 NR No Public K-12 410 0.17
Avalon Childcare Fifth Avenue NR No Private K-1 83 0.23
Hellenic Classical Charter School 10 No Charter PK, K-8 483 0.24
Hellenic Classical Charter School 10 No Charter PK, K-8 483 0.24
P.S. 107 John W Kimball 8 No Public PK, K-5 501 0.34
P.S. 107 John W Kimball 8 No Public PK, K-5 501 0.34
P.S. 124 Silas B Dutcher 3 No Public PK, K-5 329 0.37
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
New Voices School Of Academic And Creative Arts 9 No Public 6-8 530 0.14
Jhs 88 Peter Rouget 6 No Public 6-8 1,024 0.17
P.S. 53 NR No Public K-12 410 0.17
Hellenic Classical Charter School 10 No Charter PK, K-8 483 0.24
AL-Noor School NR No Private PK-12 630 0.39
Al-Noor School NR No Private PK-12 654 0.39
Holy Name Of Jesus School NR No Private PK, K-8 239 0.41
St. Joseph the Worker Catholic Academy NR No Private PK-8 186 0.42
MS 442 Carroll Gardens School for Innovation 9 No Public 6-8 344 0.50
Brooklyn Urban Garden Charter School 6 No Charter 6-8 310 0.50
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
P.S. 53 NR No Public K-12 410 0.17
Yeshiva Machzikel Hadas NR No Private 12 0 0.26
Mesilas Bais Yaakov NR No Private 9-12 260 0.35
AL-Noor School NR No Private PK-12 630 0.39
Al-Noor School NR No Private PK-12 654 0.39
St Saviour High School NR No Private 9-12 400 0.63
John Jay School for Law 3 No Public 9-12 461 0.66
Millennium Brooklyn High School 10 No Public 9-12 721 0.66
Park Slope Collegiate 4 No Public 6-12 577 0.66
Cyberarts Studio Academy 2 No Public 9-12 298 0.66

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

Neighbors for 321 Prospect Avenue, Brooklyn, NY

33 Webster Pl, Brooklyn 23 Webster Pl, Brooklyn 323 Prospect Ave, Brooklyn 315 Prospect Ave, Brooklyn 20 Webster Pl, Brooklyn 317 Prospect Ave, Brooklyn 313 Prospect Ave, Brooklyn 31 Webster Pl, Brooklyn 29 Webster Pl, Brooklyn 30 Webster Pl, Brooklyn 27 Webster Pl, Brooklyn 16 Webster Pl, Brooklyn 319 Prospect Ave, Brooklyn 25 Webster Pl, Brooklyn 325 Prospect Ave, Brooklyn 24 Webster Pl, Brooklyn 18 Webster Pl, Brooklyn 26 Webster Pl, Brooklyn 22 Webster Pl, Brooklyn 28 Webster Pl, Brooklyn

Nearby ZIP codes for 321 Prospect Avenue, Brooklyn, NY

10004, New York City, NY 10005, New York City, NY 10038, New York City, NY 10271, New York City, NY 11201, New York City, NY 11204, New York City, NY 11205, New York City, NY 11213, New York City, NY 11216, New York City, NY 11217, New York City, NY 11218, New York City, NY 11219, New York City, NY 11220, New York City, NY 11225, New York City, NY 11226, New York City, NY 11228, New York City, NY 11230, New York City, NY 11231, New York City, NY 11232, New York City, NY 11238, New York City, NY

Frequently asked questions

What is the year built for 321 Prospect Avenue, Brooklyn, NY 11215?

The development at 321 Prospect Avenue, Brooklyn, NY 11215 was built in 1901.

What is the total square footage of 321 Prospect Avenue, Brooklyn, NY 11215?

321 Prospect Avenue, Brooklyn, NY 11215 has a total of 2,068 square feet.

When was 321 Prospect Avenue, Brooklyn, NY 11215 last sold and what was the sale price?

321 Prospect Avenue, Brooklyn, NY 11215 was last sold on 01/20/2021 for $1,950,000.

What is the assessed value of 321 Prospect Avenue, Brooklyn, NY 11215?

321 Prospect Avenue, Brooklyn, NY 11215 is currently assessed at $193,080.

What are the property taxes for 321 Prospect Avenue, Brooklyn, NY 11215?

The property taxes for 321 Prospect Avenue, Brooklyn, NY 11215 total $4,607.

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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