The Cost of Skipping Due Diligence in Property Purchases

One of the most expensive mistakes a property buyer can make in the Philippines is trusting the seller's representations without independent verification. It is a mistake we see repeatedly — and the consequences are severe: invalidated sales, lost investments, and years of litigation.

The Supreme Court has articulated the doctrine of buyer in good faith clearly and consistently. A buyer is considered in good faith if they purchase property without notice that another person has a right or interest in it, and they pay a fair price before notice of any such claim or defect. Critically, however, the Court has held that good faith is not passive — it requires active inquiry, especially when there are circumstances that would put a prudent person on notice.

What does this mean in practice? If the title shows annotations, adverse claims, or encumbrances — even ones the seller dismisses as minor — you are legally charged with knowledge of their existence. If the property is occupied by persons other than the seller, you are expected to inquire into their basis for occupation. If the price is suspiciously below market value, courts have treated this as a red flag that a diligent buyer should have investigated.

The Philippine Register of Deeds is your first line of defense. Before signing any deed of sale, you should personally obtain a certified true copy of the title from the Registry — not rely on a photocopy presented by the seller. You should also verify tax declarations with the local assessor's office, confirm real property tax payments, check for pending litigation at the Regional Trial Court, and if the property involves agricultural land, confirm DAR compliance.

Due diligence is not optional for large investments. It is the foundation of a defensible purchase. A clean title obtained through proper verification is worth more than any seller's assurance — because in court, it is the only thing that counts.