Christopher Carr doesn’t mind the duplexes on Spruce Street. After all, he lives in one. Built in 1890, his South End home is like so many others in Concord’s old neighborhoods: built in the late 1800s or early 1900s and later cut into multiple units. Carr grew up just a short walk away, on South … Continue reading Duplexes, driveways and developers: a dispute over housing regulation in Concord