The Tokyo Metropolitan Government mailed 2025 fiscal year property tax notices on June 2, 2025, with the fourth and final installment for the year due March 2, 2026. For foreign owners of residential property in Minato-ku (港区), Shibuya-ku (渋谷区), and Chiyoda-ku (千代田区), understanding the precise mechanics of Japanese property taxation, not the headline rates alone, determines actual carrying costs and estate planning outcomes. This guide addresses the 2026 tax landscape as it applies to high-value Tokyo real estate, with specific attention to reforms effective January 1, 2027, that alter inheritance tax valuations for rental properties.

Annual Holding Taxes: Fixed Asset Tax and City Planning Tax Explained

Every January 1, the Tokyo Metropolitan Government assesses ownership and usage status for two annual taxes: fixed asset tax (固定資産税) and city planning tax (都市計画税). These apply to land and buildings in the 23 central wards.

The standard rates are 1.4% for fixed asset tax and 0.3% for city planning tax, both calculated against assessed value (課税標準額) rather than market price. Assessments occur every three years, with 令和6年度 (2024) serving as the base year for 2024 through 2026 valuations. Unless new construction or subdivision occurs, 2026 assessments remain frozen at 2024 levels.

For a ¥500 million residential property in Hiroo (広尾), this produces annual base liabilities of ¥7 million (fixed asset) and ¥1.5 million (city planning), or ¥8.5 million total before any reductions. The critical variable is not the rate but the qualification for residential land tax reductions, which can reduce land tax liability by 83% for the first 200 square meters.

Residential Land Tax Breaks: Small-Scale and General Categories

Japanese property tax law divides residential land into two categories with permanent, non-expiring reductions. These apply to the land portion only, not the building.

Small-scale residential land (小規模住宅用地) covers up to 200 square meters per residential unit. For this portion, fixed asset tax applies to one-sixth of assessed value, and city planning tax to one-third. The effective rates become approximately 0.233% and 0.1% respectively. General residential land (一般住宅用地) covers area between 200 square meters and ten times the building floor area. Here, fixed asset tax applies to one-third of assessed value, and city planning tax to two-thirds.

A 300-square-meter parcel in Azabu (麻布) with a 150-square-meter building qualifies 200 square meters at small-scale rates and 100 square meters at general rates. The same parcel without a residential building, or with a purely commercial structure, pays full rates on the entire area.

Vacant land under construction does not qualify. The residential use must be confirmed on January 1. For demolition and rebuild projects, owners must file a declaration with the metropolitan tax office by January 31 to maintain transitional relief. Foreign owners often miss this deadline, particularly when project timelines slip across calendar years.

New Construction Tax Relief: Extended Benefits Through 2031

The 2026 tax reform extended new construction tax relief through March 31, 2031 (令和13年3月31日), with one significant modification: the minimum floor area requirement dropped from 50 square meters to 40 square meters. This primarily affects smaller units in central Tokyo, though luxury buyers typically exceed both thresholds.

For standard new residences, fixed asset tax on the building portion receives a 50% reduction for three years. For three-story or higher fire-resistant structures, including virtually all マンション (manshon, Japanese usage for freehold condominium), the period extends to five years. Certified long-life quality housing (長期優良住宅認定) adds two years to each category: five years for standard structures, seven for fire-resistant multi-story buildings.

The relief applies to the residential portion only, with a maximum equivalent of 120 square meters per unit. A 200-square-meter penthouse in Roppongi Hills receives the 50% reduction on 120 square meters and full tax on the remaining 80 square meters.

To qualify, owners must file an application with the metropolitan tax office by January 31 of the year following completion. The reduction first applies to the fiscal year in which the building was completed, even if completion occurs mid-year.

Real Estate Acquisition Tax and 2026 Deadlines

Real estate acquisition tax (不動産取得税) applies once, at purchase, with a standard rate of 3% for residential land and buildings through March 31, 2029.

Two reductions merit attention. First, residential land acquired by March 31, 2027, receives a 50% reduction on taxable base. Second, new housing qualifies for a ¥12 million deduction from assessed value, or ¥13 million for certified long-life quality housing through March 31, 2026.

Tax-exempt thresholds eliminate liability entirely for land under ¥100,000, new buildings under ¥230,000, and used buildings under ¥120,000. These thresholds rarely affect luxury transactions but matter for fractional interests or accessory structures.

The tax is assessed by the Tokyo Metropolitan Government based on transaction reports filed by the judicial scrivener (司法書士) handling 登記 (touki, the transfer of legal title recorded at the Legal Affairs Bureau). Payment notices typically arrive four to six months after registration.

Inheritance Tax Reform 2026: The Five-Year Holding Rule

The December 19, 2025, National Tax Agency (国税庁) reform outline introduced the most significant change to property investor taxation in two decades. Effective January 1, 2027, rental properties held less than five years at the time of inheritance will be assessed at approximately 80% of acquisition cost, near market value, rather than the traditional route value (路線価) or fixed asset tax value.

This eliminates the valuation compression that made rapid succession transfers attractive. Previously, a ¥500 million rental property might be assessed at ¥200-250 million for inheritance tax purposes through layered discounts: land with rental building status (貸家建付地評価), tenant right discounts (借家権評価), and small-scale residential land special exemptions (小規模宅地等の特例). The new rule applies only to the holding period, not the discounts themselves. Properties held five years or longer retain access to traditional valuation methods.

For foreign owners without 永住権 (eijuuken, Japanese permanent residency), inheritance tax applies only to Japan-situated assets, but the five-year clock runs from acquisition date regardless of owner residency status. A non-resident investor purchasing a Shirokane (白金) rental property in April 2026 must hold until April 2031 to avoid the compressed valuation.

The reform specifically targets properties where the decedent ignored municipal disaster hazard zone relocation recommendations. Owners in designated zones who failed to comply with relocation guidance lose all residential land exemptions regardless of holding period.

Tax Payment Schedule and Procedures for 2026

Tokyo property taxes follow a four-installment schedule. For 令和7年度 (2025 fiscal year, covering calendar 2025-2026), the dates are:

Installment	Period	Due Date
1st	June 1–30, 2025	June 30, 2025
2nd	September 1–30, 2025	September 30, 2025
3rd	December 1, 2025–January 5, 2026	January 5, 2026
4th	February 1–March 2, 2026	March 2, 2026

Notices are mailed to the registered address as of January 1. Foreign owners residing overseas must arrange mail forwarding with their local 都税事務所 (metropolitan tax office) or authorize a Japanese-resident representative. Unpaid taxes accrue penalties at 2.6% annually for the first month, 8.9% thereafter.

Payment methods include bank transfer, credit card (with convenience fees), and payment at convenience stores using the barcode on the notice. For amounts exceeding ¥300,000, bank transfer is typically required.

Foreign Owner Considerations: Compliance and Practical Guidance

Foreign ownership of Tokyo real estate triggers no differential tax rates. The residential land reductions, new construction relief, and acquisition tax deductions apply equally regardless of nationality or residency status. The sole requirement for residential treatment is actual residential use, documented through resident registration (住民登録) or equivalent evidence.

Non-resident investors face practical friction points. Tax notices in Japanese arrive at registered addresses. Payment deadlines fall in Japanese business hours. The 重要事項説明 (juuyou-jikou-setsumei, the statutory pre-contract disclosure meeting) and contract signing require Japanese language capacity or qualified interpretation, though notarization of foreign signatures is unnecessary for most jurisdictions.

Capital gains on sale are taxed at 30.63% for short-term holdings (five years or less) and 15.315% for long-term holdings, plus 5% residence tax if Japan-sourced. Unlike rental income, no withholding applies at sale. Repatriation of proceeds requires documentation of tax clearance but no specific approval.

For buyers navigating these structures, Japan Property Tax for Foreigners: A Complete 2026 Guide for Tokyo Buyers provides additional detail on filing requirements. Those comparing total acquisition costs across jurisdictions may reference Buying Property in Japan: Tax Costs, Registration Fees, and 2026 Regulations for Foreign Buyers, which addresses registration and license taxes, judicial scrivener fees, and the consumption tax treatment of building portions.

The 2026 tax environment rewards precise timing and documentation. The January 31 deadline for residential land declarations, the five-year holding period for inheritance tax optimization, and the March 31, 2027, acquisition tax reduction deadline all require calendar-aware planning. For properties in the ¥300 million and above segment, these timing decisions often exceed the impact of negotiated purchase price.

Koukyuu is a private buyer’s advisory for distinguished Tokyo residences in Minato-ku (港区), Shibuya-ku (渋谷区), and Chiyoda-ku (千代田区), focused exclusively on transactions of ¥300 million and above. A licensed 宅建士 (takken-shi, Japan’s licensed real-estate transaction specialist) personally handles every stage of the engagement, from the first consultation to the signing, a continuity most Tokyo agencies do not offer. Book a private consultation).