When Can a Third Party Be Sued for Another's Contract Breach? Martelino v. NHMFC

The Supreme Court's 2008 decision in Martelino v. National Home Mortgage Finance Corporation (G.R. No. 160208) offers a clear lesson for housing loan borrowers and lenders alike: a contract binds only the parties to it, and a lawsuit against a third party requires a distinct legal basis. The case also clarifies the strict limits of a petition for declaratory relief, which cannot be used after a contract has already been breached.

The Facts: Buyers, a Developer, and Their Lenders

A group of homebuyers obtained housing loans from the Home Development Mutual Fund (HDMF) and the National Home Mortgage Finance Corporation (NHMFC). The lenders released the loan proceeds directly to the subdivision developer, Shelter Philippines, Inc. (Shelter). When Shelter failed to complete the subdivision as promised, the buyers stopped paying their amortizations and sued the lenders—not the developer—in the Regional Trial Court.

The buyers sought a judicial declaration that their right to suspend payments to the developer (under Presidential Decree No. 957) also applied to the lenders who financed their purchases. They also asked the court to stop the lenders from foreclosing on their mortgages.

The Issue: Can a Lender Be Held Liable for the Developer's Breach?

The central question was whether the buyers' cause of action against the lenders existed at all. The buyers argued that because the lenders released the loan proceeds directly to the developer, the lenders should bear responsibility for the developer's failure to complete the subdivision.

The Supreme Court disagreed. The Court held that the buyers' right to suspend payments under P.D. No. 957 was a right against the developer, Shelter. The lenders were not parties to the sale contract between the buyers and the developer. The lenders' obligation was to finance the loans, not to guarantee the developer's performance. A contract can only bind the parties who entered into it, and a third party cannot be sued for another's breach absent a clear legal basis.

The Ruling: Declaratory Relief Was Improper

The Court also affirmed the dismissal of the petition for declaratory relief. Under Section 1, Rule 63 of the Rules of Court, a petition for declaratory relief may only be filed before a breach or violation of the contract or statute occurs. Its purpose is to secure an authoritative statement of the parties' rights for their guidance in future compliance—not to settle issues arising from an alleged breach.

Here, the buyers had already stopped paying their amortizations and the lenders had already initiated foreclosure proceedings. A breach had already occurred. As the Court quoted from Tambunting, Jr. v. Sumabat, once the law or contract has been contravened, the court can no longer assume jurisdiction over a declaratory relief action because a cause of action has already accrued. The proper remedy would have been an ordinary civil action, not declaratory relief.

The Court likewise rejected the buyers' alternative plea to convert the petition into an ordinary action under Section 6, Rule 63, noting that the buyers failed to specify what ordinary action they intended to pursue.

Prohibition Was Also Improper

The Court further held that a petition for prohibition was not the proper remedy. Prohibition lies only against proceedings conducted without or in excess of jurisdiction, or with grave abuse of discretion. The buyers did not impute any jurisdictional defect or grave abuse to the lenders. Moreover, the Court noted that foreclosure is the mortgagee's right under the Civil Code when the debtor fails to pay. The lenders could not be faulted for exercising that right.

Practical Takeaways

• A cause of action must be directed at the right party. A buyer cannot automatically sue a lender for a developer's breach of contract. The lender's liability, if any, must arise from its own obligations.
• Declaratory relief has a strict timing rule. It is available only before a breach occurs. Once a contract has been violated, an ordinary civil action is the proper remedy.
• Foreclosure is a mortgagee's right. Absent a legal impediment, a lender may foreclose when the borrower defaults.
• Remedies for defective subdivisions lie with the HLURB. Buyers with claims against a developer for non-completion should pursue them before the Housing and Land Use Regulatory Board, not the regular courts.
• Read your loan documents carefully. Know who your contractual counterparties are and what remedies are available against each of them.

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