Thomas P. O’Neill, Jr. Federal Building
The Thomas P. “Tip” O’Neill Federal Building is an administrative center of the U.S. federal government in Boston, Massachusetts. Named for former Massachusetts congressman and Speaker of the House of Representatives Tip O’Neill, the building houses the New England regional offices of numerous federal agencies, e.g. the Social Security Administration, the Peace Corps, Boston Passport Agency, etc. It is located at 10 Causeway Street.