Fannie Mae, Freddie Mac, and FHA currently account for more than 90 percent of the mortgage market.

Fannie Mae, Freddie Mac, and FHA currently account for more than 90 percent of the mortgage market.


NAR says lenders refuse to make loans unless FHA will insure them or the GSEs will buy them. However stricter underwriting rules from the government agencies eliminate many buyers with credit scores as high as 750, and lenders are imposing credit overlays of their own, restricting the availability of credit, according to the trade group.