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Insight

Inheriting Japanese Assets from Overseas

The deadlines, the documents that replace Japan’s seal system, and how heirs living abroad file and register.

By MISAWA Masaki, Certified Tax Accountant (Zeirishi, Reg. No. 157367) — formerly of Japan’s tax authorities · Published July 11, 2026 · Reviewed July 17, 2026

If you inherit Japanese real estate or bank deposits while living abroad, both the tax and the legal procedures run on deadlines. It pays to map out the whole sequence early and proceed according to plan.

The ten-month inheritance tax deadline

The inheritance tax return is due within ten months of the day after you become aware of the death. An heir living abroad files and pays through a tax representative (nōzei kanrinin — see the separate article).

The four-month quasi-final return

In addition, if the deceased had income for the year (rental income, for example), the heirs must file the deceased’s income tax return — the quasi-final return — within four months of the day after becoming aware of the death. Note that this deadline arrives before the ten-month inheritance tax deadline.

Documents that replace the seal system

On the procedural side: where there are several heirs, who takes which asset is decided by agreement among all of them and recorded in a written estate division agreement. Each heir affixes their registered seal and attaches a seal registration certificate. Heirs living abroad, however, cannot use Japan’s seal registration system and so cannot produce either. The standard substitute is a signature certificate and a certificate of residence obtained at a Japanese embassy or consulate in the country where they live.

Inheritance registration is now compulsory

For inherited real estate, registration of inheritance became compulsory in April 2024: the application must be made within three years of becoming aware that you acquired the property by inheritance. Leaving the registration undone can attract an administrative fine. Registration is the province of the judicial scrivener (shihō-shoshi), and it is best carried forward in parallel with the tax work, with the professionals coordinating.

How assets are valued

Valuation follows Japanese rules (the National Tax Agency’s basic valuation rules): Japanese real estate is valued by the roadside land price or multiplier methods, deposits at their balance. Where the estate includes real estate located abroad, no roadside land price exists; instead the value is estimated by reference to comparable sales or an appraisal by a local expert, or — where this causes no distortion for tax purposes — by a reasonable value based on the acquisition or transfer price adjusted to the valuation date.

Time differences and the international movement of documents all take time. Start early.

Facing a Japanese inheritance from abroad?

We act as tax representative and prepare inheritance tax filings, coordinating with judicial scriveners — by email.

Every enquiry is read and answered personally by the principal — first reply within 3 business days.

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This article is general information, based on the laws and administrative guidance in force at the time of writing (as at the review date shown), and may not reflect later amendments. It is not legal or tax advice on any specific matter, and reading it does not create an adviser–client relationship. Worked examples are simplified illustrations based on the stated assumptions and may not correspond to your circumstances. While every care has been taken in preparing this material, we accept no liability for any loss arising from reliance on it. Before acting, please obtain advice on your specific situation from a qualified tax professional or the tax office.

© MISAWA Masaki Tax Accountant Office. All rights reserved. This article may not be reproduced or republished without prior written permission. Brief quotation with attribution and a link to the original is welcome.

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