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The right of tanteo: buying before an outsider does

Last reviewed: September 8, 2026VerifiedPoder Judicial

In short

The tanteo right empowers its holder to acquire a thing preferentially should its owner wish to transfer it by an onerous act. The same article states its other face: the tanteo right is a right of retracto once the transfer has already taken place, letting its holder subrogate into the third-party acquirer’s position. Conventional tanteo and retracto rights for acquiring ownership may be recorded without needing to be agreed inside another recordable contract. A real one may be constituted for an indefinite time where its exercise is agreed for the first transfer, and for a maximum of ten years where agreed for second and later ones; once recorded, it lapses on the term granted, which may not exceed ten years, or four years from the contract if no term was stipulated. It may only be exercised as to the first transfer absent agreement otherwise, and it also lies even where the transfer is by judicial or extrajudicial auction. If no exercise period was fixed, it lapses thirty days from the day after the day the notice of the transfer agreement could have come to the holder’s knowledge. Owners of adjoining lands have tanteo on the sale of a rustic plot of up to ten thousand square metres, unless they are separated by streams, irrigation ditches, ravines, roads and other apparent servitudes. And if the reliable notice is missing, or the sale was made on conditions different from those notified, the tanteo becomes a retracto, with a sixty-day period where none was agreed or where the tanteo is a legal one.

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What is it?

It is Chapter III of Title VIII of Book Three of the Civil Code of 2020, Articles 1033 to 1038, plus Article 1039 on extinction. It is the second of the three preferential acquisition rights, and the one closest to what people call having first crack at buying.

Who can do it?

It may be agreed between the parties or come from the law. The Code names one legal instance in this chapter: that of owners of adjoining lands on the sale of a rustic plot whose area does not exceed ten thousand square metres.

Requirements

Documents you need

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: What it is, and its other face

    Article 1033 defines it in two sentences that must be read together. The tanteo right empowers its holder to acquire a thing preferentially should its owner wish to transfer it by an onerous act. And the tanteo right is a right of retracto once the transfer has already taken place, letting its holder subrogate into the third-party acquirer’s position. Before the sale it is called tanteo; after it, retracto.

  2. Step 2: It can be recorded on its own

    Article 1034 allows it: conventional tanteo and retracto rights for acquiring ownership may be recorded without needing to be agreed inside another recordable contract. And it adds that the transfer or encumbrance of these rights may be recorded provided they were not constituted as personalísimos.

  3. Step 3: How long it lasts, and when the recording lapses

    Article 1035 separates two cases. A real tanteo may be constituted for an indefinite time where its exercise was agreed for the first transfer, and for no more than ten years where agreed for second and later transfers. Once recorded, it lapses on the term granted, which may not exceed ten years, or four years from the contract date if no term was stipulated. Extensions by agreement may not exceed that same maximum.

  4. Step 4: The thirty days almost nobody counts right

    Article 1036 fixes them precisely: if no exercise period was fixed, the right lapses once thirty days have passed, starting the day after the day the notice of the transfer agreement between the thing’s owner and a third party could have come to the holder’s knowledge. Note the formula: not from when you found out, but from when the notice could have come to your knowledge. Where the transfer is subject to a term or suspensive condition, the period runs from the term’s expiry or from knowledge of the condition’s fulfilment.

  5. Step 5: Only the first transfer, and in auctions too

    The same Article 1036 sets two more rules. The tanteo right may only be exercised as to the first transfer, absent agreement or stipulation otherwise. And it may also be exercised even where the projected transfer takes place by judicial or extrajudicial auction; on challenge, the exercise period is suspended until the challenge is resolved.

  6. Step 6: The neighbouring landowners’ tanteo

    Article 1037 creates a legal tanteo with concrete numbers. Owners of adjoining lands have a tanteo right on the sale of a rustic plot whose area does not exceed ten thousand square metres. It does not apply to adjoining lands separated by streams, irrigation ditches, ravines, roads and other apparent servitudes benefiting other plots. And if two or more neighbours exercise the tanteo, or the retracto as the case may be, at the same time, the owner of the smaller adjoining land is preferred; if both are equal, whoever asks first.

  7. Step 7: If you were not notified: tanteo becomes retracto

    Article 1038 is the one that saves a holder who found out late. The tanteo right becomes a right of retracto if the reliable notice of the transfer agreement is missing, or if the transfer was made on conditions different from those in the notice. The retracto must be exercised within a period equal to the one agreed for the tanteo; if none was agreed, or if the tanteo is a legal one, the retracto period is sixty days. And that period runs, in every case, from the date of registry recording or of knowledge of the transfer.

  8. Step 8: How it is extinguished

    Article 1039 holds for all three preferential acquisition rights: they are extinguished once exercised, or on fulfilment of their duration and — for tanteo — of their exercise period, or by the holder’s renunciation.

Where to do it

The right is exercised against the thing’s owner, with reliable notice. Recording goes before the corresponding registry, and any dispute before the Court of First Instance. The Civil Code designates no agency to administer it.

How long it takes

Check the current processing time with the official agency.

What to do if something goes wrong

If the sale already happened, do not look for tanteo: look for retracto, the same right after the transfer. If your preference comes from being a co-owner of a common thing, that is the legal retracto and it has its own guide. If what you have is a closed deal waiting on your yes, the figure is the option to purchase. This guide does not explain the real-property registry legislation behind the recording of Article 1034 or the lapsing of Article 1035, nor the auction procedures Article 1036 contemplates, nor other legal tanteos other statutes may create: this chapter names only the neighbours’ one, and we did not read those other statutes. The Code publishes no cost and no service term, so this guide gives none; the thirty and sixty days and the year periods are the ones the statute fixes. MiPRFácil does not represent anyone in court and gives no legal advice.

Common mistakes

  • Counting the thirty days from when you found out: they run from the day after the notice could have come to your knowledge.
  • Believing that without notice the right is lost: the absence of reliable notice turns it into a retracto.
  • Thinking that selling on terms different from those notified settles it: that too turns the tanteo into a retracto.
  • Assuming tanteo covers every future sale: only the first transfer, absent agreement otherwise.
  • Believing an auction dodges it: it may also be exercised in judicial or extrajudicial auctions.
  • Claiming a neighbour’s tanteo over a plot larger than ten thousand square metres.
  • Claiming it where the plots are separated by a road, a stream or an apparent servitude benefiting another plot.

Frequently asked questions

How many days do I have to exercise the tanteo?

Whatever was agreed. If no period was fixed, thirty days counted from the day after the day the notice of the transfer agreement could have come to your knowledge.

They sold without telling me — did I lose the right?

No. Article 1038 turns the tanteo into a retracto if the reliable notice of the transfer agreement is missing, or if the sale was made on terms different from those notified. The retracto period equals the one agreed for the tanteo; if none was agreed, or if the tanteo is a legal one, it is sixty days from registry recording or from knowledge of the transfer.

Do I have tanteo for owning the plot next door?

Yes, on the sale of a rustic plot whose area does not exceed ten thousand square metres, and provided the lands are not separated by streams, irrigation ditches, ravines, roads or other apparent servitudes benefiting other plots.

Two of us neighbours are interested — who wins?

The owner of the smaller adjoining land is preferred, and if both are equal, whoever asks first.

Official sources

These are the government pages this guide is based on.

Last verified

September 8, 2026

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