Support WBURThe Cost Of Owning 150,000 Foreclosed HomesPlay04:24Download AudioTamara KeithJuly 07, 2011 ShareA lawn maintenance worker mows the lawn of a foreclosed Lanham, Md., home. Fannie Mae spends tens of millions of dollars a year just on lawn maintenance for the more than 150,000 foreclosed properties on its books. (NPR)