The short answer
Almost every check that protects a buyer in a Mexican property purchase is inexpensive, quick and available to anyone who asks. The difficulty is not what gets checked. It is when.
The document establishing whether a property carries a mortgage, a seizure order or a legal claim against it costs between roughly 300 and 1,500 pesos depending on the state — in Mexico City, 817 pesos, about 48 US dollars — and takes a few days. The register is public, so no permission from the seller is required and the buyer need not be in the country.
In the standard transaction it is obtained once, late, on the notario's instruction — after the buyer has signed a promissory agreement and paid a deposit of five to ten per cent. On a $400,000 purchase, that is $20,000 to $40,000 committed before a $48 search has been run.
The late timing has a real cause and the notario's own search cannot be moved. But understanding why it sits where it does — and running your own search earlier — is what separates a problem you can still walk away from and one that costs you a deposit.
The cheapest document in the transaction
The certificate of freedom from encumbrances — certificado de libertad de gravamen, and formally in Mexico City the certificado de existencia o inexistencia de gravámenes — is issued by the Public Registry of Property in the state where the property sits. It records whether the property carries a registered mortgage, a seizure order, a lawsuit, an easement or any other legal charge.
It is the nearest thing in the Mexican system to a definitive answer on whether the person offering to sell you a property is free to do so.
Two features of the document matter more than its price.
The register is public. Anyone who knows the property's folio real — the registry reference that appears on the existing deed — may request a certificate on payment of the fee. No cooperation from the seller or the agent is needed. In Mexico City the online version carries an advanced electronic signature and a QR code and is accepted by notaries and banks exactly as the counter-issued document is.
And it lapses. No statutory expiry applies, but in practice notaries and banks require a certificate issued within the previous 30 days at signing, and up to 60 in some states. A certificate obtained too early is worthless on the day it is needed.
Why the check comes last, and what to do instead
That expiry explains the sequence entirely. The notario needs a current certificate in order to draft the deed. Obtain it in the first week of a three-month transaction and it will have lapsed by signing, and the fee falls due again. Obtaining it once, late, is therefore the efficient choice from where the notario sits.
From where the buyer sits it is the opposite. It places the single most informative document about the property at the point where the buyer has already committed funds and forfeited the ability to withdraw without cost.
The remedy is not to move the check earlier. It is to run it twice — once early for information, once again at closing for the deed. On a Mexico City property that is about 96 dollars in total, and it turns the most important document in the transaction from a formality into a decision.
Few buyers do this, because nobody in the standard transaction has reason to propose it. The notario's single certificate is the one the notario requires, a point we set out in why no one in the transaction is acting for the buyer.
Older properties warrant an earlier start. Deeds drawn before the 1990s predate the electronic folio real and were recorded under a system of volumes, books, sections and pages. Tracing those takes longer and occasionally needs a physical archive search.
Same checks, different moment
The standard sequence
You find a property and agree a price
You sign a promissory agreement
You pay a deposit — commonly 5% to 10%
The notario then examines title
Anything found is now a renegotiation, or a forfeited deposit
With a review first
You find a property and agree a price
The checks are run — title, encumbrances, authority, permits, agrarian status
You learn what is actually there
You sign, renegotiate, or walk away — freely
The deposit is committed against something verified
Working to a deadline? Amanah completes legal due diligence in three business days once the documents are in hand, and contract review in two. Tell us where things stand and we will tell you what can be verified in the time available.
Legal Due Diligence & Title ReviewThe sequence, and where each check belongs
The checks themselves are uncontroversial. What follows is when each has to happen in order to be worth anything.
Read down the third column and the pattern is unmistakable. Everything capable of changing whether you should buy belongs before the signature. What comes after can only change the price.
The structural survey deserves particular mention, because buyers from the United States and Canada assume it is standard and in Mexico it is not. A home inspection covering structure, electrical and hydraulic installations, roofing and drainage is uncommon here, and there is no equivalent of the inspection contingency that lets a North American buyer withdraw or renegotiate on the findings. An inspection commissioned after signature therefore produces information the buyer can no longer act on freely. Commissioned before, and accompanied by a costed estimate of the remedial work, it becomes a negotiating position.
The three that most often surface too late
Agrarian origin. Communally held land that has not completed conversion to private ownership cannot lawfully be sold to a foreigner, and no contract drafting repairs that. Verification means searching the national agrarian registry and the state Public Registry — the two hold different records and one does not substitute for the other. We cover this in the guide to ejido land and what to verify.
Debts that attach to the property rather than the person. Unpaid property tax, water charges and condominium dues can become the new owner's responsibility. Crucially, none of these appears on the encumbrance certificate, because they are not registered charges. They surface only if somebody asks the municipality and the building administrator directly, and a certificate of no arrears is requested from the administrator before closing.
The gap between what is permitted and what is built. Extensions, roof terraces and converted outbuildings frequently exist without permits. The municipal construction record has to be compared against the physical building; where they diverge, regularisation becomes the buyer's problem once the deed is signed.
Who does what, and what belongs to nobody
The notario examines title at the Registry, confirms the parties' identity and legal capacity, calculates and withholds the taxes, drafts the deed and registers it. That work is obligatory and reliably done. And that's it.
The notario is not engaged to assess whether the price is sensible, to review a promissory agreement drawn before their involvement began, to obtain the building's accounts, to commission a structural survey, or to compare construction permits against the structure. Those tasks fall outside the office rather than being neglected within it — and in the standard transaction they belong to no one at all.
This brings us back to the sequence. The searches are cheap, the registers are open, and the information is available to anyone who asks in time. With a clear view of the sequence and of when each check has to happen, a buyer avoids both the expense and the pressure of finding out too late. That is work you can do yourself, or work you can put in the hands of someone acting for you — but it has to be somebody's job.