On January 1, 2027, Japan will eliminate the most reliable tax compression strategy for rental real estate. Properties acquired within five years of death or gift must then be valued at fair market value rather than the deeply discounted roadway value (路線価, the assessed land value published by the National Tax Agency) that currently governs inheritance and gift tax calculations. For a ¥500 million rental portfolio in Minato-ku, this shifts the taxable base from approximately ¥200 million to roughly ¥400 million, more than doubling the inheritance tax exposure.

The Mechanics of the 2027 Rental Property Valuation Change

The 国税庁 (National Tax Agency, NTA) announced this reform in its December 26, 2025 tax reform outline. The change targets what Japanese tax planners call the “deathbed apartment purchase” (末期のマンション購入), where an elderly owner acquires income-producing real estate shortly before death to reduce the taxable estate.

Under current rules, inherited or gifted property is valued using:

• Land: Roadway value (typically 70–80% of market value) further reduced by leasehold interest discounts
• Buildings: Fixed asset tax value (roughly 50–70% of reconstruction cost)
• Rental properties: Additional 30% reduction for tenant leasehold rights

The combined effect often produces a valuation of 40–50% of actual market value for rental properties.

The 2027 reform introduces a bifurcated system. Properties held more than five years retain the current valuation method. Properties held five years or less, plus all small-lot real estate products (不動産小口化商品, fractional ownership schemes), must use fair market value with a statutory floor of 80% of acquisition price adjusted for land price movements.

A concrete example: A foreign investor purchases a ¥350 million rental manshon (マンション, Japanese usage: freehold condominium, not ‘mansion’ in the English sense) in Hiroo (広尾) in June 2026. If death occurs in December 2028, the property qualifies for the old method. Valuation might approximate ¥140 million. If death occurs in December 2031, the same property uses fair market value, likely ¥280 million or higher. The ¥140 million valuation gap translates to approximately ¥40–50 million in additional inheritance tax at marginal rates of 30–40%.

The Expiring Education Fund Allowance: March 31, 2026

Separate from the 2027 rental reform, the 教育資金の一括贈与 (lump-sum education fund gift) provision expires March 31, 2026. This allowance permitted tax-free gifts of up to ¥15 million per recipient when placed in an education fund trust with designated financial institutions.

The NTA has confirmed no extension. After March 31, education-related gifts revert to the standard annual ¥1.1 million basic exemption only. Direct payment of tuition and enrollment fees to educational institutions remains non-taxable, but this requires per-transaction documentation and provides no mechanism for upfront wealth transfer.

For families with children or grandchildren in Japanese or international schools, the practical window to execute a ¥15 million education fund gift is approximately eleven months from the publication date of this article. Gifts completed by March 31, 2026 retain grandfathered treatment even if funds are drawn down over subsequent years.

Fixed Asset Tax and City Planning Tax: 2026 Rates and Payment Schedule

Annual property levies operate independently of transfer taxes. For Tokyo’s 23 wards, the 2026 rates are:

Tax	Rate	Assessment Basis
固定資産税 (fixed asset tax)	1.4%	January 1, 2026 property value
都市計画税 (city planning tax)	0.3%	Same

The 住宅用地特例 (residential land tax relief) reduces these bases substantially:

• 小規模住宅用地 (small-scale residential land, ≤200m² per dwelling): Assessed value × 1/6
• 一般住宅用地 (general residential land, >200m²): Assessed value × 1/3

A ¥400 million Azabu (麻布) residence on 150m² land pays fixed asset tax on approximately ¥66.7 million (¥400m ÷ 6), yielding ¥934,000 annually before building value. Without the relief, the tax would exceed ¥5.6 million.

The 2026 payment schedule for Tokyo 23 wards:

Installment	Period	Due Date
1st	June 1–30, 2026	June 30, 2026
2nd	September 1–30, 2026	September 30, 2026
3rd	December 1, 2026–January 5, 2027	January 5, 2027
4th	February 1–March 2, 2027	March 2, 2027

Tax notices are mailed June 2, 2026. The Tokyo Metropolitan Government does not reissue lost notices; originals are required for certain registration tax calculations.

Strategic Timing for Property Acquisitions and Gifts

The interaction of these deadlines creates three distinct planning horizons.

Immediate: Education fund gifts before March 31, 2026

Families with education funding needs should execute lump-sum gifts before the deadline. The ¥15 million allowance is per recipient, per donor, permitting ¥30 million from both parents to a single child when structured correctly.

Medium-term: Rental property acquisitions before January 1, 2027

Investors intending to hold rental properties within their estate should consider accelerating purchases to establish the five-year holding period before the valuation reform takes effect. A property acquired in May 2026 clears the five-year threshold in May 2031. The same property acquired in May 2027 remains subject to fair market value valuation until May 2032.

Long-term: Restructuring small-lot real estate holdings

Fractional ownership products and real estate investment trusts with underlying Japanese property lose all valuation discounts under the 2027 rules regardless of holding period. Investors holding such instruments through holding structures should review whether direct ownership of whole properties offers superior tax efficiency.

For Chiyoda-ku property tax and inheritance tax rules specific to foreign buyers, additional considerations apply regarding visa status and permanent residency effects on tax residence.

The Non-Resident Dimension

Foreign buyers without 永住権 (eijuuken, Japanese permanent residency) face additional complexity. Japan taxes gift and inheritance based on the location of assets, not the residence of parties, for domestic real estate. A non-resident donor transferring Tokyo property to a non-resident recipient triggers Japanese gift tax regardless of either party’s global tax residence.

The standard gift tax rates apply: 10% on amounts up to ¥2 million above the ¥1.1 million annual exemption, scaling to 55% on amounts exceeding ¥30 million. The 2027 valuation reform affects non-residents identically to residents for Japanese-situs property.

Repatriation of capital after property sale involves separate considerations. Sale proceeds are freely remittable, but documentation of the original acquisition price (手付金, tetsuke-kin, the earnest-money deposit, and subsequent payments) and improvement costs affects capital gains calculations. The 登記 (touki, the transfer of legal title recorded at the Legal Affairs Bureau) records the official acquisition price, which may diverge from actual economic outlay in certain transaction structures.

For comprehensive 2026 tax rules and foreign buyer obligations, including mortgage availability and visa effects on financing, refer to our related analysis.

Documentation Requirements and Due Diligence

The shift toward fair market value increases scrutiny of acquisition documentation. Under the new rules, the 80% floor is calculated from “acquisition price adjusted for land price changes,” requiring:

• Original sales contracts with precise date stamps
• Bank transfer records showing the full purchase price
• Evidence of subsequent capital improvements
• Official land price indices for the relevant district

Properties acquired through asset swaps, deferred payment structures, or nominee arrangements face particular complexity. The NTA has indicated that transactions lacking clear market-price documentation may be subject to supplemental assessments using comparable sales data.

Investors completing acquisitions before January 1, 2027 should ensure their 重要事項説明 (juuyou-jikou-setsumei, the statutory pre-contract disclosure meeting) documentation explicitly records the arms-length nature of the transaction and the full consideration paid. This becomes foundational evidence for the 80% valuation floor calculation if the holding period remains under five years at the time of subsequent transfer.

Koukyuu is a private buyer’s advisory for distinguished Tokyo residences in Shirokane (白金), Omotesando, and Minato-ku, 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).