Immigration residency and tax residency are different things, and confusing them is the most expensive mistake foreigners make in Mexico. You can become a Mexican tax resident without ever holding a resident card, simply by spending 183 days here or by making Mexico the center of your life.
Key facts
| What triggers tax residency | 183 or more days in a calendar year, or Mexico being your center of vital interests |
| What tax residents owe | Mexican tax on worldwide income, reported to SAT |
| Income tax (ISR) rates | Eleven progressive bands from 1.92 percent to 35 percent |
| Simplified regime (RESICO) | 1 to 2.5 percent of gross revenue, capped near MXN 3.5 million a year |
| Tax ID | RFC, issued by SAT, required to file and to lift bank deposit limits |
| US-Mexico tax treaty | In force since 1994, with relief from double taxation |
| Rental income | Taxable in Mexico, usually withheld by the tenant or property manager |
| Property sale by a non-resident | 25 percent of gross proceeds or 35 percent of net gain, seller chooses |
| Figures checked | August 2026 |
This page is general information, not tax advice. Cross-border tax is genuinely complicated and the cost of getting it wrong is high. Use it to know what questions to ask, then take advice from a Mexican accountant and, if you are American, one who also handles US returns.
The two tests, and why the card is irrelevant
Mexico decides tax residency on facts, not paperwork. You become a tax resident if either test is met.
The day count. 183 days or more inside Mexico in a calendar year. They do not need to be consecutive, and nobody has to stamp anything for it to be true.
The center of vital interests. Mexico is where your home, your family or the majority of your income sits. This can catch someone who spends under 183 days here but has moved their life across.
Two consequences people miss. A long-staying tourist who never applied for residency can still be a Mexican tax resident. And a temporary resident card does not by itself create a tax obligation. The card is immigration; these tests are tax.
RESICO, and why it draws people
RESICO is Mexico’s simplified regime for individuals with business or professional income. It charges roughly 1 to 2.5 percent of gross revenue rather than a percentage of profit, with an annual revenue ceiling near MXN 3.5 million, about USD 175,000. Since 2026 the monthly payments are final and no annual return is required.
For a freelancer or consultant billing foreign clients, that is a strikingly low rate, and it is why Mexico has become popular with self-employed remote workers. Two cautions. It taxes gross revenue, so it suits high-margin work and punishes anything with real costs. And qualifying is not automatic — it depends on the type of income and on staying compliant monthly.
If you are American
The United States taxes citizens on worldwide income wherever they live, so moving to Mexico does not end your US filing obligation. The US-Mexico treaty has been in force since 1994 and, together with the Foreign Tax Credit, is what stops the same income being taxed twice. It does not remove the requirement to file.
Separately, holding a Mexican bank account can trigger foreign account reporting obligations in the US once balances cross the relevant thresholds. That is a filing requirement rather than a tax, but the penalties for missing it are disproportionate to the effort of doing it.
Property
Rental income from Mexican property is taxable in Mexico regardless of where you live, and tax is generally withheld at source by the tenant or the managing agent.
On sale, a non-resident chooses between 25 percent of the gross sale price and 35 percent of the net gain, with acquisition costs, documented improvements and notary fees deductible when computing the gain. Which is cheaper depends entirely on how much the property appreciated, so it is worth modeling both before signing. Keeping receipts for improvements over the years of ownership is what makes the second option viable, and it is exactly what people fail to do.
Note also that state-level property tax, predial, is separate from all of this and is set locally rather than nationally.
Frequently asked questions
Am I a tax resident of Mexico?
If you spend 183 days or more in Mexico in a calendar year, or Mexico is the center of your vital interests — your home, your family or the bulk of your income — then yes, regardless of what immigration status you hold. Neither test requires you to have a resident card.
Does having a temporary resident card make me a Mexican tax resident?
Not on its own. Immigration status and tax residency are decided separately. Tax residency turns on days present and where the center of your life sits, not on which card you hold.
What is RESICO and who can use it?
RESICO is a simplified regime taxing gross revenue at roughly 1 to 2.5 percent, with an annual ceiling around MXN 3.5 million. It is aimed at individuals with business or professional income, which makes it attractive to freelancers and consultants. Because it taxes revenue rather than profit, it suits high-margin work and is poor value for anything with substantial costs.
Do Americans still file US taxes while living in Mexico?
Yes. The United States taxes its citizens on worldwide income wherever they live. The US-Mexico treaty and the Foreign Tax Credit prevent the same income being taxed twice, but they do not remove the obligation to file a US return each year.
How much tax will I pay when I sell Mexican property?
A non-resident seller chooses between 25 percent of the gross sale price and 35 percent of the net gain. Acquisition cost, documented improvements and notary fees reduce the gain, so the second option is often cheaper on a property that has not appreciated dramatically — but only if you kept the receipts.
Sources
- Servicio de Administracion Tributaria (SAT) on tax residency, RFC registration and the RESICO regime.
- Mexican Federal Fiscal Code on residency tests, including the center of vital interests.
- Convention between the United States and Mexico for the Avoidance of Double Taxation, in force since 1994.
- Page checked August 2026. Tax rules and thresholds change annually; confirm current figures with a Mexican accountant before acting.
