Often residential tenancy is a month-to-month lease. If the residential landlord is lucky it may go up to six months to a year. However, commercial real estate in Greenville, SC often includes long term leases. Usually, a commercial lease will be for two, three, five, or even longer. And commercial real estate leases sometimes have lengths of ten to twenty-five years. These exceptionally long leases are sometimes found in large properties with tenants such as large retailers and banks.