(HAR report):Consumers snapped up rental homes in strong numbers in May. Leases of single-family homes surged 11.9 percent year-over-year. However, leases of townhomes and condominiums slid 4.6 percent. The average rent for single-family homes was down 2.8 percent to $1,822 while the average rent for townhomes and condominiums was fell 4.6 percent to $1,586.