When a rental property is sold and ownership changes, what happens to a tenant's leasehold rights? This article explains in detail the succession between old and new owners, the handling of security deposits, rent payment account changes, and what to do if pressed to vacate—all based on the Building and Land Lease Law.

Reviewed by: Nobuyuki MoriPresident, M-Assets Co., Ltd. / Licensed Real Estate Transaction Specialist (Miyagi #018212)
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An "owner change" refers to the situation where an occupied rental property is sold while the tenant remains in residence—only the owner changes, not the tenant. In the real estate investment world, this is common as a "sale of income-generating property," but from a tenant's perspective, the sudden experience of "the landlord changing" can be confusing.
What matters is that an owner change is not inherently disadvantageous for the tenant. Japan's Building and Land Lease Law prioritizes tenant protection, so even when ownership changes, leasehold rights generally remain valid.
If a building's leasehold rights meet the requirements of "enforcement against third parties," they can be asserted against the new owner. Specifically, if the following conditions are met, the lease agreement with the old owner will be binding on the new owner as well.
In typical rental agreements, the property is considered delivered from the move-in date, so the enforcement requirement is usually automatically satisfied. Even after the ownership transfer is registered with the new owner, you generally retain the right to continue living in the property under the same terms.
The terms of your lease agreement with the former owner—including rent, renewal conditions, prohibited activities, and special clauses—automatically transfer to the new owner. For example, if the contract contains a clause allowing pet ownership, that remains valid under the new owner.
However, verbal-only agreements can become disputed without written documentation, so it's important to keep important promises in writing.
As a rule, the security deposit held by the former owner transfers to the new owner. However, you have the right to verify that it has actually been properly transferred to the new owner.
Since there are exceptional risks—such as the former owner embezzling the deposit and going bankrupt—these steps are prudent:
When using a guarantor company, there often is no security deposit at all. In this case, no transfer issue arises, but you should confirm with the management company whether your agreement with the guarantor company remains valid under the new ownership.
After an owner change, the rent payment account almost always changes. You'll receive a "payment account change notice" from the new owner or management company.
Scams have been reported where fraudsters impersonate management companies to request account changes. When you receive such a notice, verify its authenticity with these steps:
Until you receive official confirmation, you can continue paying into the old account and settle the difference later—this is acceptable.
There is no legal basis for a request to vacate simply because the owner bought the property. Article 28 of the Building and Land Lease Law requires "just cause" for a landlord to refuse renewal or terminate a lease, and eviction cannot be forced without concrete circumstances such as "building deterioration" or "the owner's personal use necessity."
If the new owner insists on your vacating, relocation assistance (moving costs and compensation) becomes a condition. The typical amount ranges from several months to several years' worth of rent, but varies significantly depending on individual circumstances.
If asked to vacate, it's best to consult a lawyer or Houterasu (the Legal Services Center) before complying. Free legal consultation services allow you to receive expert advice without cost.
A new owner may request to convert to a fixed-term lease or raise the rent. These changes cannot be imposed unilaterally without the tenant's agreement.
However, when renewing after the lease period ends, the new owner's intentions may come into play. If renewal terms don't align, this may lead you to consider moving to another property.
An owner change may come suddenly to a tenant, but you are legally protected. Keeping these points in mind will help you avoid unfair treatment:
Keep this knowledge handy for peace of mind in your living situation.
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