As a foreigner buying a home in Mexico, you will purchase real estate by way of a Fideicomiso, which is simply what you would know in the States as a trust. It is a very straightforward way of owning property in Mexico. The trust initially runs for fifty years, it is completely flexible; it's renewable and transferable, so it can be transferred to a spouse or to one's children, or simply form part of a will. This should not be confused with a lease with a Fideicomiso you own