Renters Warehouse LLC will acquire OwnAmerica Real Estate, an online service connecting buyers and sellers of SFRs. : (Bloomberg)—America’s biggest third-party manager of single-family rental homes will help investors buy properties, betting the burgeoning asset class will draw landlords big and small in need of a one-stop shop. Renters Warehouse LLC, the manager of 22,000 homes in more than 40 U.S. metro areas, agreed to acquire OwnAmerica Real Estate LLC, an online service that connects buyers and sellers of rental properties, Renters Warehouse Chief Executive Officer Kevin Ortner said in an interview. He declined to comment on the price.