Fannie Mae and Freddie Mac buy mortgages which means that they guarantee them. Without the backing of Fannie and Freddie, mortgage lenders have to find other investors to sell their mortgage loans to and those investors charge more so interest rates are higher. Fannie and Freddie backed mortgages are called conforming; the others are called jumbo. The limit on a conforming mortgage is $417,000 but that is about to change….
