Guide to the Fideicomiso: Buying Property in Mexico as a Foreigner For foreigners looking to invest in Mexican real estate, the fideicomiso, or Mexican bank trust, is a vital tool. Established to allow non-Mexican citizens to buy property in certain "restricted zones," which include areas within 100 kilometers (about 62 miles) of the border and 50 kilometers (about 31 miles) from the coast, the...