69 A Street is a five-story office and retail building located in South Boston, Massachusetts. The 45,700 SF structure is Boston’s first cross-laminated timber (CLT) project. The renovation and adaptive reuse added a two-story Mass Timber addition to the top of the original three-story structure. The revamped building now includes 33,700 SF of office space and 12,000 SF of retail space with surrounding streetscape improvements.