Back Bay townhouse with three kitchens, seven fireplaces on sale for $5.5 million

The 18-room, 4,586-square-foot townhouse at 1 Fairfield Street in Back Bay is that rare thing in the tony Boston neighborhood: a particularly wide single-family. In fact, it’s 30 feet wide.

That affords it a capaciousness other similarly swanky Back Bay townhouses might lack. In the case of 1 Fairfield—which is on sale now through Gibson Sotheby’s Michael Carucci for $5.495 million—the capacity includes three kitchens, including one in a separate apartment; and seven fireplaces. There are also five bedrooms and four full bathrooms. An elevator goes to all levels, and the tag covers two deeded parking spots.

And about that tag: A report covering closed deals in downtown Boston in the fourth quarter of 2019 pegged the average sales price for townhouses at $1,790,441 and the average price per square foot at $730. Plan accordingly.