U.S. mortgage rates dropped in the past week, with 30-year fixed-rate loans tumbling to their lowest level in 39 years, according to a survey released on Thursday by Freddie Mac, the second-largest U.S. mortgage finance company…Interest rates on U.S. 30-year fixed-rate mortgages, the most widely used loan, averaged 4.69 percent for the week ended June 24.

If you haven't already refinanced? Now is the time.