111 Eighth Avenue is a prewar cooperative located in the heart of Park Slope near Prospect Park, Grand Army Plaza, the Brooklyn Public Library, Union Market, Key Foods, the Park Slope Food Co-op, 7th Avenue dining and shopping, and the 2/3 and Q trains. The 10-story, five-story walk-up building features original woodwork, a beautiful façade, a central laundry room, and bike storage in the basement.
The building allows cats, and the building allows dogs, co-purchasing, and parents buying for children on a case by case basis. Subletting is allowed on a first-come, first-serve basis - three apartments maximum, and for up to three years at a time. Pied-a-terres are not permitted.
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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
$280,000
$1,400,000
1
2021
-
-
0
2020
-
-
0
2019
$268,333
$805,000
1
2018
-
-
0
2017
-
-
0
2016
$196,000
$490,000
1
2015
-
-
0
2014
$234,667
$954,000
2
|
Year
Avg Price / Room (Est)
Avg. Actual Price
Med. Actual Price
Transactions
2013
$138,333
$415,000
1
2012
-
-
0
2011
-
-
0
2010
$149,000
$447,000
1
2009
$166,000
$830,000
1
2008
$168,333
$467,500
2
2007
$133,333
$400,000
1
2006
-
-
0
2005
$111,667
$335,000
1
2004
$93,000
$279,000
1
2003
-
-
0
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