This report addresses the major management challenges and program risks facing the U.S. Department of Housing and Urban Development (HUD) as it works to carry out its multiple and highly diverse missions. The report discusses the actions that HUD has taken and that are under way to address the challenges GAO identified in its Performance and Accountability Series 2 years ago. Also, GAO summarizes the challenges that remain, new ones that have emerged, and further actions that GAO believes are needed.