Quick answer

One heir generally cannot sell the other heirs’ shares in inherited property without their consent. Before partition, the heirs own the estate in common, subject to the decedent’s debts. An heir may sell only that heir’s undivided interest. Even if the deed describes the entire property or a specific physical portion, the buyer ordinarily acquires only whatever share is ultimately allotted to the selling heir.

The sale is therefore not automatically void in its entirety. It may remain valid as to the seller’s lawful share but is ineffective or not binding as to the shares of the non-consenting heirs. If an extrajudicial settlement falsely excludes heirs, that settlement may be void and inexistent as against them, while a transfer of the participating heir’s own disposable share may still be recognized after proper liquidation and partition.

The appropriate remedy depends on what was sold, whether the estate has been partitioned, whether title has already been transferred, and whether the buyer qualifies as an innocent purchaser for value. Possible remedies include legal redemption, partition and accounting, declaration that the sale is not binding beyond the seller’s share, nullification of a fraudulent settlement or deed, cancellation of title, reconveyance, injunction, and damages.

Act promptly. Legal-redemption periods can be as short as 30 days, and further transfers or mortgages can make recovery substantially more difficult.

Why the property belongs to all the heirs before partition

Successional rights pass to the heirs at the moment of the decedent’s death under Article 777 of the Civil Code. When there are two or more heirs, Article 1078 provides that the whole estate is owned in common before partition, subject to payment of the decedent’s debts.

This does not mean that every heir owns a separately identified corner, room, or number of square meters. Each heir initially owns an abstract or pro indiviso share in the common estate. The exact property or portion that will belong exclusively to an heir is determined only through a valid partition, estate settlement, or court judgment.

The size of an heir’s share should not be assumed simply by dividing the property by the number of children. It can depend on:

Whether the decedent left a valid will;
The identity and number of compulsory or intestate heirs;
The surviving spouse’s marital-property share;
Representation by descendants of a predeceased heir;
Valid donations, advances, waivers, or previous partitions;
Estate debts and charges; and
Whether the property actually belonged entirely to the decedent.

The governing provisions appear in the Civil Code of the Philippines.

What an individual heir may validly sell

Article 493 of the Civil Code allows a co-owner to sell, assign, or mortgage that co-owner’s part. However, as against the other co-owners, the transaction is limited to the portion eventually allotted to the seller when the co-ownership ends.

This produces three important results.

If the deed sells only the heir’s undivided share

The consent of the other heirs is generally unnecessary. The buyer replaces the seller as a co-owner, subject to estate debts, partition, and any applicable right of legal redemption.

The other heirs cannot ordinarily cancel this sale merely because they did not approve it. Their principal options may be to exercise legal redemption or seek partition.

If the deed purports to sell the entire inherited property

The buyer normally acquires only the selling heir’s undivided share—not the shares of the heirs who did not consent. The Supreme Court has held that a sale of the whole property by one co-owner is not necessarily void in its entirety; it is effective only to the extent of the seller’s rights. See Aguirre v. Court of Appeals, G.R. No. 122249, January 29, 2004.

The buyer consequently becomes a co-owner rather than the exclusive owner of the whole property.

If the deed identifies a specific physical portion before partition

The seller cannot guarantee that the buyer will receive that exact portion. The sale remains subject to the outcome of partition and is effective only within the seller’s eventual allotment. If the identified area is allotted to another heir, the buyer’s rights may have to be satisfied from the portion actually assigned to the seller.

The Supreme Court applied this principle in Mabalo v. Heirs of Babuyo, G.R. No. 238468, July 11, 2022.

Situations in which the other heirs’ consent is not required

Consent from the other heirs may not be necessary when:

A valid partition already assigned the property exclusively to the selling heir;
The seller is the sole heir and has validly adjudicated the estate, subject to the rights of creditors and other claimants;
The deed expressly transfers only the seller’s undivided share;
The seller is disposing of property that was personally owned and was not part of the estate;
The seller is transferring the surviving spouse’s own marital-property share, although any inherited share must still be correctly determined;
The other heirs previously gave valid authority, such as through a properly executed special power of attorney; or
The sale was validly authorized by the probate or estate court.

A court must examine the actual deed and estate documents. The label placed on a document—“absolute sale,” “waiver,” “quitclaim,” or “extrajudicial settlement with sale”—does not by itself determine its legal effect.

When an extrajudicial settlement excludes an heir

An extrajudicial settlement under Rule 74 is available only under its stated conditions, including that the decedent left no will and no debts and that all heirs are adults, or that minors are properly represented by judicial or legal representatives duly authorized for the purpose.

Rule 74 also states that an extrajudicial settlement is not binding on a person who did not participate in it or had no notice of it. Publication does not give one heir ownership of another heir’s share or cure a forged signature.

The Supreme Court has held that an extrajudicial settlement or conveyance excluding co-heirs from their inheritance may be void and inexistent. Nevertheless, the conveyance may still be preserved insofar as it covers the conveying heir’s own disposable share. See Delos Santos v. Delos Santos, G.R. No. 258887, July 5, 2023.

The commonly mentioned two-year period under Rule 74 is not a universal deadline that automatically defeats an omitted heir. The Supreme Court has explained that the Rule 74 bar applies only in the circumstances covered by the Rule, including participation or notice and proper compliance with the extrajudicial-settlement requirements. See Treyes v. Larlar, G.R. No. 232579, September 8, 2020.

Available legal remedies

1. Legal redemption

Legal redemption allows the remaining heirs or co-owners to take the buyer’s place by reimbursing the purchase price and complying with the sale’s lawful terms. It is useful when the sale of the seller’s own share is valid but the family wants to keep a stranger out of the co-ownership.

Two related provisions may apply.

Sale of hereditary rights in the estate as a whole

Article 1088 applies when an heir sells hereditary rights in the abstract—without limiting the transfer to a particular inherited property—and the sale occurs before partition. A co-heir may redeem by reimbursing the buyer within one month from written notice of the completed sale by the selling heir.

Sale of a share in a particular inherited property

Articles 1620 and 1623 generally apply when the transaction concerns an undivided interest in a particular property. The co-owner has 30 days from the required notice to exercise legal redemption.

The distinction is explained in Guillen v. Court of Appeals, G.R. No. 159755, June 18, 2009.

Do not assume that the redemption period has not started merely because no formal demand letter was received. Written notice remains the statutory rule, but Supreme Court decisions have recognized fact-specific exceptions involving clear actual knowledge and long, unexplained delay. A copy of the deed containing the material terms may also constitute sufficient written notice. See Baltazar v. Court of Appeals, G.R. No. 239859, June 28, 2021.

A person intending to redeem should immediately:

Obtain the complete deed and proof of its date, price, and terms;
Send a clear written exercise of the right to the seller and buyer;
Make a genuine tender of the proper redemption amount;
Preserve proof of delivery and ability to pay; and
If payment is refused or the terms are disputed, consult counsel about filing the redemption action and consigning the amount in court within the applicable period.

A verbal statement that the heir “plans to buy it back” is unsafe. The timeliness and sufficiency of the offer, payment, tender, or consignation can determine whether redemption succeeds.

2. Voluntary settlement and corrective instruments

If the buyer and all heirs are willing to cooperate, they may negotiate:

Cancellation or amendment of the deed;
Resale of the share to the co-heirs;
A proper extrajudicial settlement and partition;
Assignment of the property to one heir who pays the others;
Recognition of the buyer only as to the seller’s share; or
Sale of the entire property by everyone, followed by distribution of the net proceeds.

Any settlement should identify the estate, the parties’ shares, the consideration, taxes, expenses, possession, and responsibility for registration. For land, proper notarization and registration are normally necessary to protect the parties and third persons.

3. Judicial partition and accounting

Partition is often the primary remedy when the sale is valid only as to the selling heir’s share. Article 494 provides that no co-owner is generally required to remain in co-ownership.

Under Rule 69 of the Rules of Court, an heir with the right to compel partition may file an action that:

Identifies the nature and extent of the heir’s title;
Adequately describes the property;
Joins all other persons interested in it;
Determines the parties’ respective shares;
Physically divides the property when feasible; and
Includes an accounting of rents and profits received from the property.

If division would prejudice the parties, the court may assign the property to a willing party who pays the others. If an interested party requests it under the conditions in Rule 69, the court may instead order a public sale and distribute the proceeds according to the adjudged shares.

Partition also determines which portion, if any, passes to the buyer under the unauthorized deed.

4. Declaration of nullity or non-binding effect, cancellation of title, and reconveyance

Court action may be appropriate when the seller:

Falsely represented being the sole heir or owner;
Forged another heir’s signature;
Used an invalid affidavit of self-adjudication;
Included omitted heirs’ shares in an extrajudicial settlement and sale;
Registered the deed and obtained a title inconsistent with the true co-ownership; or
Transferred the property to a buyer who knew of the other heirs’ rights.

Depending on the documents and present title, the complaint may seek a declaration that the instrument is void or not binding beyond the seller’s share, cancellation or correction of certificates of title, reconveyance, partition, accounting, possession, and damages.

A Registry of Deeds generally cannot decide a disputed ownership case simply because an heir presents a protest letter. Cancellation of a registered deed or title ordinarily requires an appropriate voluntary instrument or a final court order.

5. Injunction, adverse claim, and notice of lis pendens

Urgent protective relief may be necessary if the property is about to be resold, mortgaged, demolished, subdivided, or developed.

Before litigation, counsel can evaluate whether the heir’s claim qualifies for annotation as an adverse claim under Section 70 of Presidential Decree No. 1529. An adverse claim has technical requirements and is not appropriate for every dispute.

Once a court action directly affecting registered land has been filed, the claimant may register a notice of lis pendens. It warns later buyers and lenders that the property is in litigation and that they acquire their interest subject to the case’s outcome. Partition, recovery of possession, quieting of title, and similar proceedings directly affecting the land are covered by Section 76 of the Property Registration Decree.

A preliminary injunction may also be requested when the legal requirements are present. Injunction is not automatic; the applicant must establish the right requiring protection and the threatened irreparable injury.

6. Accounting, proceeds, and damages

An heir who exclusively collected rents, crops, or other income may be required to account to the co-owners. Rule 69 expressly allows recovery of each party’s just share of rents and profits in a partition case.

Damages may also be claimed when supported by the applicable law and evidence—for example, where fraud, forgery, bad faith, unauthorized receipt of proceeds, or wrongful exclusion caused a proven loss. Damages are not presumed merely because a family dispute arose.

7. Criminal or administrative complaints when documents were falsified

Lack of consent alone does not automatically make the sale a crime. A co-owner is legally allowed to transfer that co-owner’s own undivided share.

Separate criminal issues may arise, however, if someone forged signatures, knowingly used falsified documents, made material false statements under oath, or obtained money through actionable deception. The precise offense and responsible persons depend on the documents, intent, and evidence. A complaint may be brought to the appropriate law-enforcement agency or prosecutor after legal review.

A criminal complaint does not by itself cancel a deed or restore a land title. The necessary civil or estate remedies should be addressed separately.

The buyer’s good faith can affect the remedy

Registration does not automatically validate a sale of property that the seller did not own. A certificate of title is evidence of ownership, not a license to take another heir’s share.

However, recovery can become more difficult if the property is later transferred to an innocent purchaser for value who relied on a clean title without notice of another person’s claim. Good faith is highly factual. Reliance on the face of a title may be insufficient where:

The seller was not the registered owner;
Another heir or occupant was visibly possessing the property;
The title contained an adverse claim, lis pendens, Rule 74 annotation, or other warning;
The buyer knew the property came from an unsettled estate;
The deed or estate papers contained inconsistencies; or
Other circumstances should have caused a prudent buyer to investigate.

The Supreme Court’s discussion of these conditions appears in Republic v. Spouses Pasig-Rizal Co., Inc., G.R. No. 259815, August 20, 2024.

If reconveyance can no longer be obtained because protected third-party rights have intervened, the injured heir may have to pursue damages against the persons responsible. This is a major reason to act before another transfer or mortgage is registered.

Practical steps for a non-consenting heir

Step 1: Confirm that the property formed part of the estate

Check the title, deed by which the decedent acquired the property, tax declaration, marriage records, and any marital-property settlement. Determine whether the decedent owned all or only part of the property.

Step 2: Establish the family and estate records

Obtain certified copies of relevant:

PSA death, birth, and marriage certificates;
Will and probate orders, if any;
Extrajudicial or judicial settlement documents;
Affidavits of self-adjudication;
Deeds of sale, waivers, donations, and powers of attorney;
Court orders appointing an executor or administrator; and
Prior partition agreements or subdivision plans.

Step 3: Check the current title and registration history

Secure a current certified true copy of the title and all relevant annotations from the Registry of Deeds. The Land Registration Authority also accepts online certified-title requests through its eSerbisyo portal.

Ask for copies of the registered deed and supporting estate documents. Trace prior titles if the original title has already been cancelled.

Step 4: Determine exactly what was transferred

Review whether the document sold:

The seller’s hereditary rights in the estate generally;
The seller’s undivided share in one property;
A definite physical portion;
The whole property;
The shares of supposed co-signatories; or
Property already assigned through a previous partition.

This classification affects the remedy and the applicable redemption provision.

Step 5: Notify the seller and buyer in writing

A written demand should identify the claimant’s relationship to the decedent, the property, the disputed deed, and the relief requested. It may demand preservation of the property, disclosure of the documents and consideration, recognition of the claimant’s share, cessation of further transfers, and negotiation.

If redemption is intended, the communication must be prepared with the short legal period and payment requirements in mind. An ordinary protest letter is not necessarily a valid exercise of redemption.

Step 6: Consider barangay conciliation

When the dispute falls within the authority of the lupon, prior barangay conciliation is generally a condition before filing in court. Real-property disputes within the system are brought in the barangay where the property or its larger portion is situated.

Exceptions include actions coupled with provisional remedies such as preliminary injunction and cases that may otherwise become time-barred. Coverage also depends on the parties’ actual residences and other exceptions in Sections 408–412 of the Local Government Code. Obtain a Certificate to File Action when required.

Step 7: File in the proper court and include the necessary parties

An action affecting title to or an interest in real property is generally filed where the property is situated. Court level depends on the assessed value—not the selling price or market value. Under Republic Act No. 11576:

First-level courts have jurisdiction when the assessed value of the property or interest does not exceed ₱400,000; and
Regional Trial Courts have jurisdiction when the assessed value exceeds ₱400,000.

Different rules may control if an estate proceeding is already pending. All persons whose interests will be affected—including the buyer and relevant subsequent titleholders—must be properly considered as parties.

Evidence to preserve

Keep originals secure and obtain certified copies where possible. Preserve:

The current and previous certificates of title;
Every deed, settlement, affidavit, waiver, and power of attorney;
Registry of Deeds entry numbers and receipts;
Tax declarations and real-property tax records;
The decedent’s ownership and marital-property documents;
PSA civil-registry records establishing relationships;
Copies of newspaper publication and affidavits of publication;
Text messages, emails, letters, and chat records discussing the sale;
Written notices of sale and proof of when they were received;
Proof of the true purchase price and payments;
Evidence that the buyer knew about the other heirs;
Photographs, videos, surveys, leases, and records of actual possession;
Receipts for improvements and property expenses;
Records of rent, harvests, or other income; and
Specimen signatures and identification records if forgery is suspected.

Do not alter originals, add handwritten notes to signed documents, or surrender the only existing copy without obtaining a receipt and a reliable duplicate.

Deadlines and prescription require individual review

There is no single limitation period for every inheritance-sale dispute.

The clearest short periods are the redemption periods: generally one month under Article 1088 or 30 days under Article 1623, subject to the governing notice rules and factual exceptions.

An action for partition is generally not barred while the co-ownership continues to be recognized. But possession can become adverse if there are unequivocal acts repudiating the co-ownership, those acts are communicated to the other heirs, and the repudiation is established by clear and convincing evidence.

Reconveyance, fraud, void-contract, title, and damages claims can have different periods and starting dates. Registration, actual knowledge, possession, repudiation, later transfers, and the legal basis of the complaint may change the result. Do not assume that a claim is safe because the deed is “void,” or lost merely because more than two years have passed.

Common mistakes to avoid

Assuming that the entire sale is automatically void;
Assuming that a buyer of one heir’s share owns a particular corner of the land;
Waiting for a perfect written notice despite already knowing that a sale occurred;
Sending only a protest when legal redemption requires timely payment, tender, or court action;
Relying solely on a tax declaration as proof of ownership;
Signing a quitclaim, waiver, partition, or settlement without independent advice;
Forcibly evicting the buyer or demolishing improvements without a court order;
Filing only a criminal complaint and expecting the Registry of Deeds to cancel the title;
Ignoring a pending estate case;
Omitting the buyer or subsequent titleholders from the civil action;
Filing in the wrong court or failing to allege the assessed value;
Skipping mandatory barangay conciliation when it applies; and
Delaying while the property is being resold, mortgaged, or developed.

When legal help is urgent

Consult a Philippine lawyer immediately if:

A 30-day redemption period may already be running;
A deed has been submitted or is about to be submitted for registration;
A new title has been issued in the buyer’s name;
The buyer is negotiating a resale, mortgage, subdivision, or construction;
Another heir’s signature appears to have been forged;
An affidavit falsely states that the seller is the sole heir;
A minor or legally incapacitated heir was excluded or improperly represented;
The buyer is taking exclusive possession, collecting rents, demolishing a structure, or removing crops;
A foreclosure or auction is scheduled;
There are threats, violence, or attempts to destroy documents; or
A court summons, Registry of Deeds notice, or estate-court order has been received.

For qualified persons who cannot afford private counsel, assistance may be sought from the Public Attorney’s Office, the Integrated Bar of the Philippines legal-aid program, or an accredited law-school legal clinic, subject to their requirements and availability.

Frequently asked questions

Can one heir legally sell an inherited property without the others signing?

The heir may generally sell only that heir’s undivided share. The heir cannot convey the other heirs’ shares without their authority or consent.

Does the buyer become the owner of the whole property?

Ordinarily, no. The buyer becomes a co-owner only to the extent of the seller’s lawful share, unless all owners validly sold the entire property or a later legally protected title situation changes the available remedy.

Can the buyer occupy the exact area described in the deed?

Not necessarily. Before partition, the seller does not own a definite physical portion. The buyer’s rights remain subject to the partition and the seller’s eventual allotment.

Can the other heirs have the deed cancelled?

Not simply because they did not consent to the sale of the seller’s own share. They may seek a declaration that the deed is not binding beyond that share. Cancellation or reconveyance may be available where the deed, settlement, signatures, or resulting title are invalid or fraudulent.

Can the heirs force the buyer to leave immediately?

Usually not merely because the buyer acquired the seller’s valid undivided share. The buyer may have become a co-owner. Partition, accounting, injunction, or another properly pleaded remedy is normally safer than self-help.

Is legal redemption always available?

No. It generally requires a sale or other covered onerous transfer to a stranger, continued co-ownership, timely exercise, and reimbursement under the applicable provision. It normally does not apply when the transferee was already a co-owner or when a valid partition had ended the relevant co-ownership.

Is a prior court declaration of heirship always required?

No. Under Treyes v. Larlar, if no estate or heirship proceeding is pending, compulsory or intestate heirs may bring an ordinary civil action to enforce ownership rights acquired by succession without first obtaining a separate declaration of heirship. If an estate proceeding is already pending, the claim should be coordinated with that proceeding.

Can the Registry of Deeds resolve which heir is telling the truth?

No. The Registry records legally registrable instruments but generally does not try contested ownership issues. A voluntary corrective instrument or court judgment is usually needed when the parties dispute the validity or effect of a deed.

Official legal sources

This article provides general Philippine legal information, not legal advice or an attorney-client relationship. Outcomes depend on the deed, title history, family relationships, estate records, possession, and subsequent transfers. The law and official sources were checked as of August 24, 2026.