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Heir Who Lives Alone in Inherited Property Can Request Usucapião and Keep Full Ownership, While Other Siblings Can Turn to the Courts to Secure Compensation or Force the Judicial Sale of the Asset.
An heir who remained alone in their parents’ house, bearing expenses and maintaining the property without opposition from others, can obtain full ownership through special urban usucapião and, thus, exclude the siblings from the inheritance.
This hypothesis is provided for in the Article 183 of the Federal Constitution and in the Article 9 of the City Statute (Law No. 10,257/2001), which authorize the transfer of ownership when there is peaceful possession of urban property up to 250 m² for five uninterrupted years, for housing purposes, and provided that the possessor does not own another property.
Special Urban Usucapião: Requirements and Limits
Special urban usucapião requires residence on the premises, a maximum area of 250 m², and the absence of another property in the name of the possessor.
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Furthermore, the occupation must occur without effective contestation and with behavior typical of an owner.
In practice, the courts tend to value evidence that the resident took care of the house, paid property taxes, utility bills, and maintenance, demonstrating the intention of ownership.
There are also situations in probate cases where the occupying heir supports usucapião based on the Civil Code, when the time span is longer and the legal conditions are different, such as in cases of exclusive possession for many years.
In both scenarios, the essence of the debate is the same: continuous and uncontested possession, combined with acts of ownership.
When the Courts Recognize the Loss of the Siblings’ Fraction
Courts have been confirming that co-ownership siblings can lose their ideal fraction if they do not react to prolonged exclusive use.
In a case cited by attorney João Victor Duarte Salgado from the Celso Candido de Souza Advogados law firm, the Superior Court of Justice (STJ) recognized that the other heirs did not act for 15 years.
During that period, one of them lived alone in the property, paid taxes, and maintained the house.
According to the professional: “The son lived in the property, paid the taxes, maintained the asset, made improvements, and lived as if he were the owner, without opposition from the siblings. So, during that time […] he acquired the period for usucapião.”
This type of decision reinforces the need for vigilance among co-owners.
The absence of concrete acts of opposition — such as formal notifications, attempts to share usage, or seek judicial solutions — can pave the way for the consolidation of ownership in the name of the occupant.
How to Avoid Usucapião Within the Family
To reduce the risk of losing the hereditary fraction, the guidance is to document the use of the common asset in writing.
João Victor warns: “Verbal agreements, even among siblings, are not valid; the idea is to put everything in writing.”
He recommends instruments such as comodato, partial free assignment of use, or rental agreements, depending on the parties’ convenience and the intended duration.
This way, the occupant begins to use the property with express authorization recognized by others, contradicting the idea of exclusive possession and preventing the acquisition period from running.
Even though trust among family members weighs heavily, formalization helps address unforeseen circumstances, changes in income, or differing needs over time.
In the attorney’s words: “People trust one another and forget that each person’s life context can change. Formalizing agreements brings security for both sides.”
Extinction of Condominium: Alternative for Those Who Do Not Occupy
When there is no written agreement and the situation indicates an advance toward usucapião, the co-owner who does not use the property can resort to action for the extinction of condominium.
The aim is to terminate the co-ownership of an indivisible asset, with judicial sale and distribution of the proceeds among the co-owners.
In a recent ruling, the São Paulo Court of Justice (TJ-SP) authorized the sale of an inherited house used only by two of the three siblings and established monthly compensation of R$ 755.55 to the sibling excluded from use.
In this type of dispute, the property owner who is outside the property requests two actions: financial compensation for the exclusive use of the others and the sale of the asset if there is no agreement to acquire the other’s share.
The understanding of the courts prioritizes the right of any co-owner not to be indefinitely bound to a common asset.
Compensation for Exclusive Use and Preference in Purchase
According to João Victor, the dispute often unfolds into two complementary requests.
The first seeks compensation for the period in which the property was exclusively used by some, serving as a proportional “rent” for the share of the party that was left out.
The second seeks the judicial sale of the asset to end the co-ownership.
At this stage, the occupants have preference to purchase.
If they do not exercise it, the judge determines a public auction with the appointment of an auctioneer, date, and rules for the auction.
Once the sale is concluded, each co-owner receives their portion according to their ideal fraction, minus any compensations or properly proven common expenses.
Additionally, it remains possible to adjust, by agreement, deadlines and amounts, as long as it is formalized in writing and homologated if necessary.
Warning Signs and Immediate Measures
Those inheriting a property with siblings should watch for signs of exclusivity in possession: changing locks without handing over keys, systematic refusal of visitation, solitary and continuous payment of taxes, and works without notice.
Such elements, when combined, can characterize the exercise of ownership by only one co-owner.
In light of this scenario, it is advisable to formalize a usage term or notify the occupant to define conditions, routines, and responsibilities, breaking the appearance of exclusive possession.
Another useful measure is to register agreements in the probate process or, if the probate is already concluded, to establish a private instrument with recognized signatures, preferably with legal advice.
This way, the rules become clear, and the history of formal communications distances the claim that possession has always been exclusive and unchallenged.
What Remains as a Lesson for Families in Probate
Cases of usucapião among heirs do not arise only from bad faith.
In many families, the combination of practical urgency — one of the children moving in to take care of the property — with the lack of documentation sustains, years later, the argument of rightful possession.
The legislation offers pathways to both regulate shared use and to terminate co-ownership without prejudice to those who do not occupy.
The choice depends on dialogue and, when it fails, on swift action to safeguard rights.
In your opinion, would it be more worthwhile to formalize a free use assignment between siblings early on or to proceed directly to the extinction of the condominium when living together in the common property proves unfeasible?
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