Mortgage Rates Lower: 30 Year Mortgage Rates at 4.91%, 15 year Mortgage Rates at 4.24%

Mortgage rates are lower in the most recent mortgage survey released this morning. 30 year mortgage rates are back below 5.00% for the week ending March 12, 2010. 30 year mortgage rates have been seesawing above and below 5.00 percent for over a month now.