Co-ownership exists when the ownership of an undivided thing or right belongs to different persons; each co-owner owns an ideal or abstract share (for example, one-half or one-third) of the whole, rather than a specific physical portion, until the property is divided. Each co-owner may use the thing owned in common, provided they do so in accordance with its purpose and without prejudicing the interest of the others or preventing the others from using it. The benefits and charges are shared in proportion to the respective shares. Acts of alteration or acts that affect the entire property generally require the consent of all, while acts of administration require the consent of those holding the majority of interests. A co-owner may freely sell, assign, or mortgage their own undivided share, but cannot sell a specific physical part or the shares of the others without their consent. A defining feature of co-ownership is that no co-owner is obliged to remain in the co-ownership, and each may generally demand partition at any time, dividing the common property and ending the co-ownership. Partition may be done extrajudicially by agreement of all the co-owners, or judicially through an action for partition if they cannot agree. There are exceptions where partition may be temporarily prohibited (for example, by agreement not exceeding ten years, by the donor's or testator's will within limits, or when partition would render the thing unserviceable). So co-owners share an undivided property with defined rights, and any of them can generally end the arrangement through partition.
What Co-Ownership Is
Co-ownership is when an undivided thing belongs to several persons, each owning an ideal share (e.g., 1/2) of the whole, not a specific physical part, until divided.
Rights of Co-Owners
Each may use the common thing per its purpose without prejudicing others; benefits and charges are proportional. A co-owner may sell or mortgage their own share, but not a specific part or others' shares. Alterations need all; administration needs the majority of interests.
The Right to Partition
No one is obliged to remain a co-owner — each may generally demand partition at any time, done extrajudicially by agreement or judicially. Partition may be temporarily prohibited (e.g., by agreement up to ten years).
Practical Takeaways
- Co-owners own undivided shares, not specific parts;
- A co-owner may sell their own share freely;
- Any co-owner may generally demand partition to end the co-ownership.
Frequently Asked Questions
What is co-ownership? When the ownership of an undivided thing or right belongs to different persons, each owning an ideal or abstract share of the whole, rather than a specific physical portion, until the property is divided.
Can a co-owner sell their share? Yes. A co-owner may freely sell, assign, or mortgage their own undivided share, but cannot sell a specific physical part or the shares of the other co-owners without their consent.
Can I force the division of a co-owned property? Generally yes. No co-owner is obliged to remain in the co-ownership, and each may demand partition at any time, done extrajudicially by agreement or judicially through an action for partition.
When can partition be prohibited? Partition may be temporarily prohibited, such as by an agreement of the co-owners not exceeding ten years, by the donor's or testator's will within limits, or when partition would render the thing unserviceable.
This commentary is for general informational purposes only and does not constitute legal advice. For guidance specific to your situation, please consult a licensed attorney.
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