Cronin Group built its reputation around a restaurant empire, and then residential development in South Boston. But Jon Cronin’s eponymous Boston company just scored a pair of victories that have little to do with either of those core business lines.
First, at City Hall: The Boston Planning & Development Agency picked Cronin to develop a five-story commercial building in the marine industrial park, at the far edge of the Seaport . The $81 million project would bring an intriguing side benefit: Cronin agreed to subsidize frequent shuttle service between Nubian Square (formerly Dudley Square) in Roxbury and the Seaport…