Rent Increases and the Right to Request Reductions in Osaka

Unlike many jurisdictions where a landlord can unilaterally dictate a new rent price at the end of a lease term, Osaka's residential market is strictly bound by Japanese national law. Raising the rent on an existing tenant is predominantly a process of mutual agreement and negotiation, underpinned by the tenant's powerful statutory right to refuse.

Disclaimer: This guide provides general legal information for educational purposes only and does not constitute legal advice. Rent increase negotiations are highly regulated. Always seek advice from a qualified Japanese attorney. Last verified: March 2026.

The Right to Request Rent Increase/Decrease (Article 32)

Under Article 32 of the Act on Land and Building Leases, both the landlord and the tenant have the right to request a change (increase or decrease) in the rent if the current rent has become "unreasonable" due to specific economic factors:

1. Tax Fluctuations: Significant increases or decreases in property taxes or city planning taxes assessed on the land and building.
2. Economic Changes: Radical shifts in general economic conditions, such as high inflation or real estate price surges/crashes.
3. Market Discrepancy: If the current rent becomes vastly disproportionate compared to the market rent of similar properties in the immediate neighborhood (e.g., Minato-ku or Shibuya-ku).

In a rising market like Osaka, landlords often try to use "neighboring market rates" or "increased property taxes" as justification to raise the rent. However, the burden of proof lies entirely on the landlord.

The Process of Raising Rent

1. Notification and Negotiation (Renewal Period)

Rent increases are typically proposed during the "contract renewal" timing, which happens every 2 years for Ordinary Leases. The landlord or property manager (PM) will send a "Notice of Proposed Rent Increase" several months before the expiration date, ideally containing objective data (tax increases, market comps) to justify the hike.

2. Tenant Refusal and "Deposit with the Legal Affairs Bureau" (Kyotaku)

If the tenant disagrees with the new, higher rent, the landlord cannot evict them for non-payment. If the tenant continues to pay what they believe is the "reasonable" amount (which is almost always the original, pre-increase rent), they are legally protected.

Furthermore, if a stubborn landlord refuses to accept the old rent amount (in an attempt to trigger a default), the tenant has the right to legally deposit the old rent amount directly with the local government's Legal Affairs Bureau in a procedure known as "Kyotaku" (Official Deposit). By doing so, the tenant is legally deemed to have paid their rent on time and cannot be evicted.

3. Civil Mediation and Lawsuits

If the landlord and tenant reach a complete deadlock over the new rent, the landlord cannot simply sue for eviction or unilaterally charge the higher amount. They must follow a strict legal sequence:

• Rent Adjustment Mediation (Chotei): The landlord must first file for civil mediation at a Summary Court. A mediation committee will attempt to broker a compromise.
• Lawsuit to Confirm Rent Amount: If mediation fails, the landlord can file a formal lawsuit in the District Court. The judge will typically appoint a certified Real Estate Appraiser to determine the "Fair Prevailing Rent," and issue a binding ruling.

Note: If the court ultimately rules in favor of the landlord's rent increase, a severe penalty hits the tenant: they must immediately pay the accumulated shortfall (the difference between the old and new rent) retroactive to the date the landlord originally demanded the increase, plus a massive 10% annual late payment interest.

The "Renewal Fee" (Koshin Ryo) Custom

More common than actual rent increases in Osaka is the collection of the "Renewal Fee" (Koshin Ryo).

When a standard 2-year Ordinary Lease expires, the tenant must pay the landlord a lump sum simply to renew the paperwork.

• The Market Standard in Osaka: Typically 1 month's new rent (or 0.5 months).

Legal Validity of the Renewal Fee

While tenants often resent this fee, the Japanese Supreme Court has explicitly ruled that charging a Renewal Fee of around 1 month's rent is legally valid and does not violate the Consumer Contract Act, provided it is clearly stipulated in the contract.

The crucial requirement is that the precise amount (or calculation method) of the Renewal Fee must be explicitly written in the lease agreement, and the tenant must have signed it. A landlord cannot suddenly demand a renewal fee if it was omitted from the original contract.

Rent Fixed-Term Leases

Because Article 32 is a "mandatory provision" designed to protect tenants, any clause in an Ordinary Lease stating "The rent shall never be decreased" is completely void and illegal.

However, if the landlord utilizes a Fixed-Term Lease Agreement (Teiki Shakka Keiyaku), the law provides an exception. Landlords can legally insert a "Rent Revision Special Clause" stating that the rent will remain absolutely fixed for the duration of the 5-year term, and the tenant legally waves their right to ever request a rent reduction, regardless of economic crashes.

Landager’s platform seamlessly manages the lucrative 2-year Renewal Fee cycle for Osaka portfolios, automatically dispatching legally compliant renewal notices, capturing digital signatures for consent, and generating localized invoices to prevent accidental revenue leakage.

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