What/where: a 3-BR, 3.5-BA duplex penthouse near Union Park in the South End
Square footage: 2,452
The skinny: This penthouse is part of a three-unit renovation project of rowhouses dating from 1900. A buyer would have the option of helping choose the spread’s finishes. Said spread also comes with 24 windows and a large private deck.
Take a look around and try to guess the price.