Needham-based Nauset Construction has broken ground on St. James Place, a long-delayed 46-unit condominium complex in Cambridge’s Porter Square neighborhood.
Acorn Holdings LLC is developing the project at 2013 Massachusetts Ave., a lot adjacent to St. James’s Episcopal Church that houses an out-of-use car wash. The project will also feature 2,000 square feet of retail and an 11,400-square-foot parish hall that will house classrooms for children’s programs, a library, a neighborhood food…