After a long decline last year, the number of delinquent mortgages in the District had started to trend upwards in the first few months of this year. But in March, according to the latest report from NeighborhoodInfoDC, the number dropped again, putting the kibosh for the moment on a possible repeat foreclosure rash. D.C.’s still better off than the rest of the metropolitan area, with only 2.8 percent of mortgages more than 90 days delinquent, compared to 3.6 percent region-wide.