The relationship between a lessor (landlord) and a lessee (tenant) in the Philippines is governed primarily by the Civil Code of the Philippines, the Rent Control Act of 2009 (Republic Act No. 9653), and Rule 70 of the Rules of Court. When a tenant fails to pay rent or causes significant damage to the property, the law provides the owner with specific judicial remedies to recover possession and seek compensation.

1. Legal Grounds for Eviction (Judicial Ejectment)

In the Philippine context, a landlord cannot unilaterally evict a tenant. There must be a legal ground under Section 9 of RA 9653 (for covered residential units) or the Civil Code.

A. Nonpayment of Rent

For residential units covered by the Rent Control Act (those within specific rent caps in major cities), the ground for eviction is the nonpayment of rent for a total of three (3) months. These months do not necessarily have to be consecutive, but the arrears must total three months' worth of rent.

B. Property Damage and Misuse

A landlord may also seek eviction if the tenant causes substantial damage to the leased property. This includes:

Intentional destruction of fixtures.
Unauthorized major alterations or structural changes.
Using the property for purposes other than what was agreed upon (e.g., turning a residential unit into a commercial warehouse).

2. The Procedural Requirements: "Demand to Vacate"

Before a landlord can file a case in court, two strictly enforced procedural hurdles must be cleared:

The Demand Letter

Jurisprudence requires the lessor to serve a written demand to the tenant to "pay and vacate" or "comply with the conditions of the lease and vacate."

The demand must be served at least fifteen (15) days (for residential) or five (5) days (for commercial) prior to filing the court case.
The demand may be served personally, by registered mail, or by posting it on the premises if the tenant cannot be found.

Barangay Conciliation

Under the Local Government Code (Katarungang Pambarangay Law), if the landlord and tenant reside in the same city or municipality, the dispute must first be brought before the Lupong Tagapamayapa.

If no settlement is reached, the Barangay Captain issues a Certificate to File Action.
Without this certificate, a court case can be dismissed for being premature.

3. The Judicial Remedy: Unlawful Detainer

If the tenant refuses to leave after the demand period and barangay mediation fails, the landlord files a complaint for Unlawful Detainer in the Metropolitan Trial Court (MeTC) or Municipal Trial Court (MTC).

Summary Procedure

Unlawful Detainer cases are governed by the Rules on Summary Procedure. This is designed to be a "fast-track" process:

No Trial: Generally, the court decides based on position papers and affidavits rather than a full-blown trial.
Immediate Execution: If the landlord wins, the judgment is immediately executory. Even if the tenant appeals to the Regional Trial Court (RTC), they must leave the premises unless they file a "supersedeas bond" to cover the back rentals.

4. Remedies for Property Damage

While the primary goal of an Unlawful Detainer case is to recover the property, the landlord can include claims for damages in the same lawsuit.

A. The Security Deposit

Under RA 9653, the security deposit (usually two months) can be applied to:

Unpaid utility bills (electricity, water).
Repair of damages caused by the tenant beyond "ordinary wear and tear."
Any remaining balance must be returned to the tenant within 60 days after vacating.

B. Civil Damages in the Ejectment Suit

In the Unlawful Detainer complaint, the landlord can pray for:

Arrears: The total unpaid rent.
Reasonable Compensation: Rent for the period the tenant stayed after the demand to vacate.
Attorney’s Fees: If stipulated in the contract.

C. Criminal Liability (Malicious Mischief)

If the property damage was intentional and malicious, the landlord may file a separate criminal case for Malicious Mischief under the Revised Penal Code. This is distinct from the civil eviction case and carries penalties of imprisonment and fines.

5. Prohibited Acts for Landlords

Landlords must be wary of "self-help" remedies, as these can lead to criminal or civil liability:

Padlocking: You cannot padlock the door while the tenant's belongings are inside without a court order.
Utility Cut-off: Cutting off electricity or water to force a tenant out is generally illegal and may be a ground for an injunction or damages against the landlord.
Forcible Entry: Entering the unit and throwing out belongings by force is a crime.

Summary Table of Remedies

Issue	Primary Remedy	Legal Basis
Nonpayment (3 months)	Unlawful Detainer	RA 9653 / Rule 70
Physical Damage	Forfeit Security Deposit / Civil Damages	Civil Code / RA 9653
Intentional Vandalism	Criminal Prosecution (Malicious Mischief)	Revised Penal Code
Refusal to Vacate	Writ of Execution / Sheriffs Assistance	Rules of Court