120 Prospect Park West in Park Slope is an enchanting Victorian brownstone mansion facing Prospect Park. Within its grand 20 by 80-foot structure, discover exquisite architectural details, including meticulously preserved original woodwork, decorative fireplaces, soaring ceilings, and charming window features such as shutters, stained glass details, and bowed barrel windows.
Situated among the distinguished residences of Prospect Park West, this timeless mansion was crafted in 1899 by architect William J. Ryan, epitomizing neo-Italian Renaissance architecture. Seamlessly blending elegance and practicality, it reflects an era when master artisans meticulously crafted magnificent homes.
Limited off-market opportunities might be available at 120 Prospect Park West – ideal for those looking to explore listings not currently on the market. Contact us to learn more.
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For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.
By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.
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Year
Avg Price / Room (Est)
Avg. Actual Price
Med. Actual Price
Transactions
2025
-
-
0
2024
-
-
0
2023
-
-
0
2022
-
-
0
2021
-
-
0
2020
-
-
0
2019
-
-
0
2018
-
-
0
2017
$275,000
$1,100,000
1
2016
-
-
0
2015
-
-
0
2014
-
-
0
|
Year
Avg Price / Room (Est)
Avg. Actual Price
Med. Actual Price
Transactions
2013
-
-
0
2012
-
-
0
2011
-
-
0
2010
-
-
0
2009
-
-
0
2008
$199,750
$799,000
1
2007
-
-
0
2006
-
-
0
2005
$170,750
$683,000
1
2004
-
-
0
2003
-
-
0
|
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