Filing Tax Returns in Japan as a Foreign Property Owner

Owning property in Japan as a foreigner comes with significant rewards — stable investment, rental income, and a foothold in one of the world's most fascinating real estate markets. But it also comes with clear tax obligations that you must meet every year, regardless of whether you live in Japan or abroad. Understanding how to file your Japanese tax return is not optional: it is a legal requirement, and getting it wrong can mean penalties, double taxation, or legal complications that are difficult to unwind from overseas.

This guide covers everything foreign property owners need to know about Japan's tax return system — from residency status and withholding taxes to the step-by-step filing process and how to avoid being taxed twice on the same income.

Who Must File a Tax Return in Japan?

Japan's tax system distinguishes between residents and non-residents, and the rules differ significantly depending on which category you fall into.

Residents are individuals who have a domicile in Japan or have resided continuously in Japan for one year or more. Residents must report their worldwide income — including property in their home country — to the Japanese tax authorities.

Non-residents are taxed only on Japanese-source income. If you own property in Japan but live abroad, your rental income, capital gains from property sales, and any other income derived from your Japanese real estate is considered domestic source income and is subject to Japanese tax.

In both cases, if you earn income from property in Japan — through rent, property sales, or other real estate activities — you are required to file a Kakutei Shinkoku (確定申告), Japan's annual final tax return.

You do NOT need to file a return if:

• You earn no income from the property (e.g., it sits empty and generates no revenue)
• All taxes have been fully withheld at source and you have no additional deductions to claim

For most active property owners, however, filing is mandatory.

The Tax Representative Requirement for Non-Residents

One of the most critical — and often overlooked — requirements for foreign property owners living outside Japan is the mandatory appointment of a tax representative (納税管理人, nōzei kanrinin).

Under Japanese tax law, any non-resident who owns taxable assets in Japan must designate a Japan-based individual or entity to act as their tax representative. This person or company:

• Receives tax notices and correspondence from the tax office on your behalf
• Submits your annual tax return (確定申告)
• Pays any taxes owed from a designated Japanese bank account
• Handles communication with municipal tax authorities

Your tax representative can be a trusted Japanese friend, family member, or — most reliably — a licensed Japanese tax accountant (税理士, zeirishi). Professional tax representatives typically charge an annual fee ranging from ¥50,000 to ¥200,000 or more, depending on the complexity of your tax situation.

Failure to appoint a tax representative can result in significant penalties and complications when eventually dealing with Japanese authorities. If you are purchasing property in Japan while living abroad, arranging a tax representative should be one of your first steps before completing the transaction. Read our full guide on property taxes and annual costs in Japan for an overview of all ongoing obligations.

Tax Rates for Foreign Property Owners

Understanding the applicable tax rates helps you plan financially and avoid surprises when tax season arrives.

Withholding Tax on Rental Income: When a corporate tenant pays rent to a non-resident landlord, they are legally required to withhold 20.42% of the gross rent and remit it to the tax authorities on your behalf. This does not mean your tax is settled — you must still file an annual return where the withheld amount is reconciled against your actual liability. Depending on your deductible expenses, you may receive a refund or owe additional tax.

Note: Individuals renting the property for their own personal residence (not business use) are generally not required to withhold taxes on rent paid to non-resident landlords — though you are still obligated to report and pay the income tax yourself.

How to File Your Tax Return: Step-by-Step

The Japanese tax year runs January 1 through December 31. Tax returns for the previous year must be filed between February 16 and March 15 (or March 16 in some years when the 15th falls on a weekend).

Here is how the process works for foreign property owners:

Step 1: Gather Your Documents

You will need:

• Income records (rental income statements, lease agreements)
• Expense receipts (property management fees, repairs, insurance premiums, depreciation)
• Property purchase documentation (for depreciation calculations)
• My Number (individual tax identification number) — required for all filings
• Proof of withheld taxes, if applicable
• Foreign tax documents (for treaty credit claims, with certified Japanese translations)

Step 2: Calculate Taxable Income

Your taxable rental income is calculated as:

Gross Rental Income − Allowable Deductions = Taxable Income

Allowable deductions for rental property include: loan interest, property management fees, repairs and maintenance, depreciation (減価償却), property insurance premiums, property taxes (固定資産税), and other directly related expenses.

Step 3: Choose Your Filing Method

Japan offers three filing methods:

• e-Tax (online): Fastest and most efficient. Refunds processed in approximately 3 weeks. Requires a My Number card reader or smartphone authentication. Supported in multiple languages via the NTA's website.
• Postal filing: Submit paper forms by registered mail before the deadline. Processing takes 1–2 months.
• In-person at the tax office: Walk in to your local tax office during filing season. Recommended for complex situations where you need direct guidance.

For non-residents using a tax representative, they will typically handle the submission on your behalf.

Step 4: Submit and Pay

After filing, any tax due must be paid by March 15. Overpayments (due to excess withholding or deductions) are refunded to your designated Japanese bank account.

For detailed guidance on the e-Tax process, Living in Nihon's tax filing guide offers a comprehensive walkthrough of the online system.

Avoiding Double Taxation: Japan's Tax Treaties

If you pay taxes in Japan on your rental income or property gains, you may face a risk of being taxed again in your home country on the same income. Japan has concluded tax treaties with 156 countries and regions (as of 2025), making double taxation avoidance widely accessible.

Under these treaties, you generally have two options:

Foreign Tax Credit Method: You deduct the Japanese tax you paid from your home country tax liability. This requires submitting certified proof of the Japanese tax payment (with translations) to your home country's tax authority.

Foreign Income Exemption Method: Some treaty provisions allow certain Japan-sourced income to be excluded entirely from your home country's taxable income.

To benefit from treaty provisions in Japan, you may need to submit a Tax Treaty Declaration Form to the tax office before or at the time of filing. Missing this deadline may mean losing the treaty benefit retroactively — so consult a professional early.

For a detailed guide on treaty benefits and the 183-day rule, see For Work in Japan's tax treaty guide.

Capital Gains Tax When Selling Your Property

If you sell your Japanese property, capital gains tax applies based on how long you held the property:

• Short-term holdings (under 5 years): Approximately 30.63% total tax (including income surtax)
• Long-term holdings (5 years or more): Approximately 15.315% total tax

The holding period is calculated as of January 1 of the year of sale — not from the actual purchase date. This means if you bought in December 2020 and sell in January 2026, the property is classified as long-term (5+ years as of January 1, 2026).

Key exemptions and special rules:

• If the sale price is under ¥100 million and the buyer is an individual purchasing for personal residence, the buyer may not be required to withhold the 10.21% non-resident withholding tax
• You must file a final tax return for the year of sale, reporting the capital gain and any applicable deductions (original purchase price, transaction costs, improvement costs)

The decision whether to sell or rent out your property before leaving Japan involves significant tax implications. Gaijin Buy House's guide on selling vs. renting provides a useful framework for evaluating these options.

Common Mistakes Foreign Property Owners Make

Even well-intentioned property owners fall into predictable traps. Here are the most common errors to avoid:

1. Not appointing a tax representative before leaving Japan Once you are overseas, setting up a tax representative becomes more complicated. Do this before departure.

2. Assuming withheld taxes equal your total tax obligation Withholding is a prepayment, not a final settlement. You must still file annually.

3. Ignoring fixed asset tax bills Japan's fixed asset tax (固定資産税) is billed annually to the registered property owner. If your tax representative is not watching for these notices, they can go unpaid and accumulate penalties.

4. Missing the filing deadline Late filing incurs a surcharge of approximately 15–20% of the unpaid tax. Filing even a day late triggers this penalty.

5. Failing to claim deductions Many foreign property owners overpay by not claiming allowable deductions — particularly depreciation on the building structure. Depreciation can substantially reduce taxable rental income.

6. Not accounting for changes in residency status If you move back to Japan mid-year, your status changes from non-resident to resident partway through the tax year. This requires special handling in your annual return.

For more on how residency status affects your property ownership strategy, see our guide on visa and residency considerations for property buyers in Japan.

Working with a Tax Professional in Japan

Given the complexity of Japan's tax system — especially for non-residents managing properties remotely — working with a qualified Japanese tax accountant (税理士) is strongly recommended. A good tax professional will:

• Serve as your tax representative (納税管理人)
• Prepare and file your annual Kakutei Shinkoku
• Advise on deductions and depreciation schedules
• Help you navigate treaty benefits with your home country
• Handle communication with the NTA and local tax offices on your behalf

When selecting a tax accountant, look for one with experience in international clients and non-resident taxation. Many larger cities have tax firms that specialize in expat and foreign investor clients, often with English-language services.

The National Tax Agency (NTA) also provides English-language resources and publishes tax filing information for non-residents at nta.go.jp. For a broader overview of property taxes in Japan, Housing Japan's updated property tax guide is a solid reference.

Final Thoughts

Filing taxes as a foreign property owner in Japan requires attention to detail and proactive planning — but it is entirely manageable once you understand the system. The key steps are: know your residency status, appoint a tax representative if you live abroad, track all income and expenses throughout the year, file between February 16 and March 15, and leverage available tax treaties to avoid paying twice on the same income.

Japan's property market continues to attract international buyers, and the tax framework — while complex — is well-structured and transparent. With the right professional support and a clear understanding of your obligations, staying compliant is a routine part of owning property in Japan.

For a complete overview of the property buying process as a foreigner, our step-by-step home buying guide and complete foreigner's property guide are excellent starting points.