Boston has granted building permits to another office-to-housing conversion, this time in the South End.

Developers are converting a former office building at 615 Albany St. into 24 apartments as part of the city’s effort to transform underused commercial space into much-needed housing.

It is one of 19 projects participating in Boston’s office-to-residential incentive program, which aims to revitalize downtown by replacing outdated offices with homes.

The South End project is one of three under construction in the city , with 129 Portland St. in the Bulfinch Triangle and 263 Summer St. in Fort Point still awaiting building permits.

The project involves converting a five-story, 19,200-square-foot office building into a six-story, 20,000-square-foot residential building with 24 uni

See Full Page