12 adjacent Park Slope parcels including Grand Prospect Hall sell for $30M
![](https://www.pincusco.com/wp-content/uploads/2021/07/Screen-Shot-2021-07-14-at-4.32.23-PM.jpg)
263 Prospect Avenue (Credit: Google)
Grand Prospect Hall has a new owner.
According to city documents, Angelo Rigas, through the entity G
263 Prospect Avenue (Credit: Google)