Back Bay penthouse with 11 rooms drops for nearly $9M

The 11-room, 6,000-square-foot penthouse at 274 Beacon Street in Back Bay just hit the sales market through Coldwell Banker, and instantly becomes one of Boston’s most expensive listings of the calendar year.

How expensive? Unit 9R is asking $8,995,000, which is still a lot of money in the city, recent developments notwithstanding.

The duplex includes at least six bedrooms as well as an incredible six full bathrooms. There are also Charles River views.

Buyers can also purchase 9R along with the building’s Unit 9F, a smaller affair that would add 2,000 square feet and four more rooms. But that will bring the tag to a stonking $11,995,000.

The building that hosts both units is that rare thing in Boston—a co-op—and the co-op fee entitles a buyer to up to two parking spaces. So there’s that, too.

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