Foreclosure rates in Des Moines-West Des Moines decreased to 0.96 percent of active mortgages in February, down from 1.46 percent in February 2014, according to real estate analytics firm CoreLogic Inc. The national foreclosure rate in February was 1.43 percent. The mortgage delinquency rate in the metro area dropped to 2.61 percent, down from 3.41 percent in the year-ago period. The delinquency rate is the percentage of active mortgages that are at least 90 days past due.