How to Get an RFC in Mexico as a Foreigner for a Property Purchase

To get an RFC in Mexico as a foreigner buying property, you gather your passport and proof of address, register with the SAT (the tax authority), and receive your 13-character tax ID the same day. The process is straightforward, and most foreign buyers complete it with help from their notary or a local advisor as part of the purchase. Having an RFC is what lets you transact cleanly and claim valuable tax benefits later. Here is the step-by-step guide.

Why you want an RFC before you buy

The RFC (Registro Federal de Contribuyentes) is Mexico's tax identification number. Notaries increasingly require it to complete a property purchase, and it is essential at sale to claim the primary-residence capital gains exemption and to document improvements through facturas. Setting it up at purchase, rather than scrambling at sale, protects your tax position from day one. See how it fits the broader buying picture on our investment overview.

Step 1: Gather your documents

Requirements can vary slightly by SAT office, but foreign buyers typically need:

• Valid passport (and a copy).
• Proof of a Mexican address: a recent utility bill or a lease/contract.
• CURP or immigration document if you have one (such as a residency card); some offices register non-residents with passport and address alone.
• Email address for your digital registration.

Having clean, recent copies ready is what makes the appointment fast.

Step 2: Book a SAT appointment

You register at a SAT office (oficina del SAT), generally by appointment booked online through the SAT portal. Appointments can fill up, so book early. In many cases your notary, attorney, or a local advisor experienced with foreign buyers will arrange and accompany you, which removes the language and logistics friction.

Step 3: Attend and register

At the appointment, the SAT verifies your documents and registers you. You will receive:

• Your RFC, a 13-character alphanumeric identifier.
• A constancia de situación fiscal (proof of tax status certificate) confirming your registration.

The RFC is typically issued the same day, so the appointment itself is the milestone. Keep both the RFC and the constancia safe; you will need them at closing and at any future sale.

Step 4: Use it at closing and beyond

Provide your RFC to the notary handling your purchase so the deed and tax filings are recorded correctly under your tax identity. From there, your RFC enables you to:

• Receive facturas for renovations and improvements (which reduce future capital gains tax).
• Claim the primary-residence exemption when you sell, if you qualify.
• Stay fully compliant with the SAT as a property owner.

How the RFC works with your fideicomiso

Because coastal property at El Sauzal is in the restricted zone, an American owns through a fideicomiso (bank trust). The fideicomiso gives you full ownership rights, while the RFC gives you the tax identity to transact and claim benefits. Establishing both at purchase creates a clean, compliant ownership structure with no loose ends. Explore how Viento structures ownership on our residences page.

Let the experts streamline it

For most foreign buyers, the RFC is a same-day formality once documents and an appointment are in place, and developers experienced with American buyers help coordinate it. Treat it as a standard, early step in your purchase and you will avoid complications at sale.

Get hands-on help

Because office requirements can vary and an appointment is needed, guidance saves time. Want help obtaining your RFC and completing the full buying process for a Viento oceanfront condo at El Sauzal? Schedule a private visit and our advisors will walk you through every step. Reach us on WhatsApp or via our contact page to book your tour.