U.S. housing prices will continue to decline at least through the end of next year and may not begin creeping upward again until 2010, executives from the biggest mortgage financiers said Monday.

Officials with government-sponsored mortgage companies Fannie Mae and Freddie Mac and CEOs from two major mortgage banks told the Mortgage Bankers Association's annual convention that the continuing spike in foreclosures and a glut of unsold homes will prevent any quick price rebound.