When a Co-Owner Sells a Definite Portion: Rights of Buyers and the Limits of Torrens Titles

The Supreme Court's 2001 decision in Del Campo v. Court of Appeals clarifies a common point of confusion in Philippine property law: what happens when a co-owner sells a specific, physical portion of an undivided property. Many buyers assume they own the exact land they occupy, while sellers and later transferees may claim the sale was void. This case settles the rules on such sales, the effect of long undisturbed possession, and when a Torrens title can be defeated by fraud.

The Facts of the Case

Eight siblings co-owned Lot 162 in Pontevedra, Capiz, with each holding an ideal or undivided share. In 1940, one co-owner, Salome Bornales, sold a portion of her share to Soledad Daynolo. The deed described the land by metes and bounds, and Soledad built a house on it. Years later, Soledad mortgaged the property to Jose Regalado, Sr. In 1948, three co-owners sold the entire lot to Regalado. After Soledad's death, her heirs redeemed the mortgage and sold the property to the spouses Del Campo in 1951, who occupied it continuously.

In 1977, Regalado had the title reconstituted and subdivided the lot, obtaining a Torrens title that included the Del Campos' property. When the Del Campos sued for reconveyance in 1987, the lower courts dismissed their claim, ruling that the 1940 sale of a definite portion by a co-owner was void and that Regalado's Torrens title was indefeasible.

The Core Legal Issue

The central question was whether a co-owner can validly sell a physically defined portion of an undivided co-owned property, and whether the buyer acquires any rights from such a sale.

The Ruling: Sales of Definite Portions Are Not Void

The Supreme Court reversed the lower courts. It held that a co-owner's sale of a concrete portion of co-owned property is not automatically void. Under Article 493 of the Civil Code, each co-owner has full ownership of their undivided share and may alienate, assign, or mortgage it. The Court applied the principle that a contract should be given effect as far as legally possible. Since the portion sold did not exceed Salome's ideal share, the sale was valid to the extent of her rights.

The buyer does not acquire a specific physical lot but steps into the shoes of the seller as a co-owner, obtaining a proportionate abstract share. Consequently, Soledad became a co-owner in 1940, and the later sale of the entire lot to Regalado in 1948 could not transfer Soledad's share. Regalado only acquired the shares of the three co-owners who sold to him.

Long Possession as Partial Partition

The Court also found that the Del Campos' undisturbed possession for 49 years had the effect of a partial partition of the co-owned property. Citing Vda. de Cabrera v. Court of Appeals, the Court held that when transferees allow a co-owner to occupy a definite portion for a long period without disturbance, the possessor has a better right to that portion.

Torrens Title Cannot Shield Fraud

Finally, the Court ruled that Regalado's Torrens title could not protect him because it was obtained through fraud. Regalado knew of the Del Campos' possession and had even accepted the property as mortgage security from Soledad, recognizing her ownership. The intentional omission of this fact during registration constituted actual fraud. While an action for reconveyance based on an implied trust generally prescribes in ten years, it is imprescriptible when the true owner remains in undisturbed possession.

Practical Takeaways

• A co-owner can validly sell their undivided share, even if the deed describes a specific physical portion. The buyer becomes a co-owner with an ideal share, not the owner of a specific lot.
• A sale of the entire co-owned property by one or some co-owners only transfers their own shares. Non-consenting co-owners retain their rights.
• Long, undisturbed possession of a definite portion can amount to a partial partition, giving the possessor a better right to that area.
• A Torrens title is not absolute. If obtained through fraud, it can be defeated by an action for reconveyance, especially when the true owner has remained in possession.
• Mortgage documents can be powerful evidence of ownership. Accepting property as security may estop the mortgagee from later denying the mortgagor's title.

This article is general information and not legal advice. For your specific situation, consult a lawyer or ask ASG Legal AI.