If you live in Texas and need to buy, sell, or inherit real estate in Mexico, you will almost always need a power of attorney so that someone in Mexico, often a relative or a local attorney, can act on your behalf. A Texas power of attorney does not automatically work south of the border. Before a Mexican notario público will honor it, the document has to be authenticated and then folded into the Mexican notarial system. Getting the order of operations wrong is the most common reason a real estate closing in Mexico stalls.
What an apostille is
An apostille is a certificate that authenticates a public document — a notary's signature, a court seal, a registrar's certification — so it will be accepted by authorities in another country. For countries in the Hague Apostille Convention, the apostille is the finish line. For countries outside it, the same Texas certificate is the first step in a short legalization chain.
Does an apostille work in Mexico?
Yes. Mexico is a member of the Hague Apostille Convention, so a single apostille issued by the Texas Secretary of State is the correct authentication for a Texas document destined for Mexico. You do not need consular legalization. The apostille certifies the notary's signature on your power of attorney so that Mexican authorities will recognize it as genuine.
How the Texas Secretary of State apostille works
Texas apostilles come from a single office: the Secretary of State's Authentications Unit in Austin. There is no county-clerk step — a document notarized by any Texas notary, in any of the 254 counties, goes straight to the state. Since October 2023 Texas issues one Universal Apostille (Form 2102) that works for every destination, whether or not the country belongs to the Hague Apostille Convention.
The state fee is $15 per document. Mailed requests can take up to 25 business days; in-person and appointment service in Austin is same-day for up to 10 documents, and a bulk drop-box handles larger batches in 24–48 hours. There is no online submission — every request is handled by mail or in person. Certified copies of vital records (birth, death, marriage, divorce) must be less than five years old.
Federal documents — FBI background checks, USCIS naturalization certificates, IRS letters — cannot be apostilled by Texas; they go to the U.S. Department of State. We confirm the correct authority before anything is filed, so your documents are never rejected on a technicality.
What Mexico requires to make a property POA effective
An apostille alone is not the finish line in Mexico. For a power of attorney used in a real estate transaction, the practical path looks like this:
- Draft the POA, ideally bilingual, with a Mexican attorney. Use a poder especial that names the specific property and the exact powers granted (sell, sign the escritura, receive funds, pay taxes). A vague general power invites rejection.
- Sign before a Texas notary, then obtain the apostille from the Texas Secretary of State.
- Translate the document into Spanish using a perito traductor authorized in Mexico.
- Protocolización before a Mexican notario público. The notary registers the power in their protocol and issues an escritura. Only after this step does the power of attorney take legal effect in Mexico.
There is a simpler alternative that skips the apostille and translation entirely: grant the power of attorney in person at a Mexican consulate in the United States. A consular power is universally accepted in Mexico and requires no apostille and no separate translation. The trade-off is that you must appear in person at the consulate.
Documents you'll need
- The power of attorney itself, drafted as a poder especial naming the property
- A valid government-issued photo ID or passport for the grantor
- The Texas apostille attached to the notarized POA
- A certified Spanish translation by a perito traductor authorized in Mexico
- Property details for the notario (address, folio, prior deed if available)
Translation
Mexico requires the translation to be done by a perito traductor authorized in Mexico, not just any translator. Plan for the translation to happen after the apostille is issued, since the notario will protocolize the Spanish version. Build in time for both the translation and the protocolización appointment, which together can add one to two weeks depending on the notary's schedule.
We handle the whole apostille — you don't travel to Austin
Our firm provides full-service apostille handling: we prepare your document, coordinate Texas notarization or certified copies, file the Universal Apostille request with the Secretary of State, add U.S. Department of State and embassy legalization when a country requires it, arrange certified translation, and deliver the finished documents to you or your recipient abroad.
We also coordinate directly with your counsel overseas — a barrister or solicitor in Commonwealth countries, an advocate in South Asia, a notario público in Latin America — so the document is drafted with the exact wording their registry, court, or bank requires before anything is apostilled.
- 📞 Phone: (281) 348-6723
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- 📍 715 E. Whitney, Houston, TX 77008
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A note on accuracy
Apostille and legalization requirements change, and each receiving institution — a foreign land registry, bank, pension office, or consulate — can impose its own rules. This article reflects requirements verified in 2026 and is general information, not legal advice. Contact us so we can confirm the current requirements for your specific document and destination before you file.
For the full statewide process — fees, timelines, document types, and the Hague vs. non-Hague paths — see our complete Texas Apostille Guide.