Category:William J. Green, Jr. Federal Building

The William J. Green, Jr. Federal Building at 600 Arch Street between N. 6th and N. 7th Streets in the center City area of Philadelphia is, with the James A. Byrne United States Courthouse, part of the largest Federal complex in Philadelphia, with 1.7 million gross square feet. It shares mechanical systems and an underground garage with the courthouse. It was named after William J. Green, Jr., a longtime Democratic Congressman. (Source: GSA)