Elevations proposed for Homeland Security project. Image: GBD Architects Design Advice: Department of Homeland Security Garage/Office Space Proposed in South Portland The unoccupied building on the 4300 block of Southwest Macadam may be occupied by the Department of Homeland Security. To make room for the Feds, the owners of the building seek to build a new three-story 74,000 square-foot parking garage, topped by more...









