Fannie Mae Down Payment Requirement to Increase in November, Says Mortgage Bank | Virtual-Strategy Magazine.   Updates to Fannie Mae’s Desktop Underwriter, known as DU, are not at all uncommon. Most changes are minor and do not directly impact a buyer’s ability to qualify for financing. In some cases though, a change comes along that … Continue reading Fannie Mae Down Payment Requirement to Increase in November, Says Mortgage Bank | Virtual-Strategy Magazine