Mexico's Fideicomiso for Foreign Buyers in 2026: The Restricted Zone, the Bank Trust, and the Cross-Border Playbook
Published on: May 4, 2026
Quick answer: Under Article 27 of Mexico's 1917 Constitution, foreigners cannot directly own property within 50 km of any coastline or 100 km of any international border, the "restricted zone" that covers nearly every beach destination and all of Baja. To buy there, foreign buyers use a fideicomiso, a Mexican bank trust where the bank holds title as trustee while you hold all beneficial and economic rights; it runs 50 years, is renewable indefinitely, and is functionally perpetual and inheritable. Setup runs roughly USD 2,000–3,000 plus a USD 500–1,000 annual trustee fee. The losses that occur almost always trace to ejido land, weak title verification, or HOA short-term-rental issues, not the trust structure itself.
Mexico does not allow foreigners to own property directly within 50 km of any coastline or 100 km of any international border, Article 27 of the 1917 Constitution. To buy beachfront in Cancún, Tulum, Los Cabos, Puerto Vallarta, or anywhere in Baja, foreign buyers must use a fideicomiso, the bank trust system that has held over $30 billion in coastal property since the 1970s. The structure is misunderstood, often misrepresented, and increasingly relevant as American and Canadian buyers continue migrating south. Here's how it actually works in 2026, what it costs, and where the real risks sit.
The Constitutional Constraint Most American Buyers Don't Realize
Article 27 of the Mexican Constitution, ratified in 1917, prohibits foreign nationals from directly acquiring real estate within two specific geographies: any land within 50 kilometers (about 31 miles) of the Mexican coastline, and any land within 100 kilometers (about 62 miles) of any international border. These areas are collectively known as the "restricted zone."
This is not a temporary measure. It is not a permitting issue. It is a constitutional restriction on the form of ownership available to non-Mexicans. And it captures precisely the geography that international buyers most want: every beach destination on Mexico's Pacific, Caribbean, and Gulf coasts; the entire Baja California peninsula; San Miguel de Allende's neighbors near the US border; and most of the cities international retirees actually move to.
What foreigners can do, and have been doing legally since 1973, is hold property in the restricted zone through a Mexican bank trust called a fideicomiso (pronounced fee-day-coh-mee-so). The structure is not a workaround. It is the explicit legal mechanism the Mexican government created to enable foreign investment in coastal and border real estate.
Outside the restricted zone, in Mexico City, Guadalajara, San Miguel de Allende, Puebla, Mérida (technically just outside the 50 km coastal zone in some areas), and most interior locations, foreigners can hold direct title in their own name, with no fideicomiso required. The interior versus restricted-zone distinction is the single most important legal fact for any foreign buyer to internalize.
How the Fideicomiso Actually Works
A fideicomiso is a real estate trust, not a lease. The structural mechanics:
A Mexican bank holds legal title to the property as trustee. The bank is the legal owner of record on the title document. This is the part that makes foreign buyers nervous, and it is also the part that is most misunderstood.
The foreign buyer is the beneficiary with full beneficial rights. The trust agreement specifies that the bank holds title for the benefit of the named beneficiary, and the bank can act only under the beneficiary's written instructions. The bank cannot sell, transfer, mortgage, or encumber the property without the beneficiary's signed authorization.
The beneficiary holds all economic rights of ownership. You can live in the property, rent it (long-term or short-term, subject to local HOA and municipal regulations), renovate it, mortgage it, sell it, or transfer it to your heirs. The trust is structurally identical to ownership for every practical purpose except who is named on the title document.
The trust runs for 50 years and is renewable indefinitely. A common misconception is that a fideicomiso is a 50-year lease. It is not. The 50-year term can be renewed for additional 50-year periods, with no statutory cap on the number of renewals. Renewal is an administrative process, an application to the Secretaría de Relaciones Exteriores (SRE), not a re-negotiation. In practice, a fideicomiso is functionally perpetual, transferable to your heirs.
You can sell to anyone. When you sell, the buyer either becomes the new beneficiary of the existing trust (most common), establishes their own new fideicomiso, or, if Mexican, takes direct title. The fideicomiso does not lock you into a restricted resale market.
What It Costs to Set Up and Maintain
The fideicomiso adds a meaningful but manageable cost layer on top of standard Mexican closing costs:
Setup costs (one-time):
- SRE permit fee: approximately