Construction crews are making headway in Newton, where a century-old fortress is being transformed into something much needed in one of Massachusetts' most expensive cities: affordable housing.

Mayor Ruthanne Fuller didn't mince words: "We have a crisis in Massachusetts -- and in Newton."

Stream NBC10 Boston news for free, 24/7, wherever you are. WATCH HERE

With rents regularly topping $2,000, $3,000 or more, she says the city is overdue for solutions that make living here possible for working families. Now, a building that once housed the National Guard is being reimagined as a place where families can finally put down roots.

Built between 1910 and 1912, the castle-like armory is one of several similarly designed structures across the state. But this one is about to become home to

See Full Page