Mortgage rates for a second home are also typically 0.25% to 0.50% higher than the rate for a primary residence, said Garth Graham, senior partner at Stratmor Group, a mortgage advisory firm. The rate is usually 0.50% to 0.75% higher for an investment property.

The Trump administration has levied mortgage fraud accusations on other high-profile Democrats–especially Trump critics.

Bill Pulte, director of the agency that oversees mortgage giants Fannie Mae and Freddie Mac, urged the Justice Department to investigate Federal Reserve governor Lisa Cook.