If you're coming from a market where property "always goes up" - the US, UK, Australia, Canada - Japan will challenge everything you think you know about real estate. Buildings here are treated as depreciating assets from day one. A brand-new wooden house begins losing value the moment the last nail is hammered, and reaches zero on paper in about two decades.
This isn't a flaw. It's a fundamentally different system, with roots in post-war history, earthquake engineering, cultural preferences, and tax policy. Understanding it is essential before you buy anything.
The Depreciation Model
Japan's National Tax Agency sets statutory useful life periods for buildings based on construction type. Buildings are depreciated using the straight-line method (mandatory since April 2016):
| Structure Type | Statutory Life | Annual Depreciation |
|---|---|---|
| Wooden (residential) | 22 years | ~4.5% |
| Light steel frame | 19-27 years | ~3.7-5.3% |
| Heavy steel frame | 34 years | ~2.9% |
| Reinforced concrete (RC/SRC) | 47 years | ~2.1% |
A wooden house worth 20 million yen depreciates by approximately 909,000 yen per year, reaching effectively zero at year 22. Structure value is typically lost by 50% in the first 10 years.
Critically, land is never depreciated. Only the building and fixtures depreciate. This creates the fundamental split between land value (which can appreciate) and building value (which always declines to zero).
Why This Happened: The Post-War Origins
By August 1945, 19% of all residential buildings in Japan were destroyed by aerial bombing - 44% if counting urban areas only. Over 4 million houses were gone. The post-war government prioritized economic recovery over housing quality, building quickly and cheaply to meet desperate demand.
This created a massive stock of poor-quality housing that was always intended to be temporary. And the cultural expectation stuck: homes are built, used, and replaced. The average demolished home in Japan is 38.2 years old, compared to 66.6 years in the US and 80.6 years in the UK.
The numbers tell the story: only 14.5% of all housing transactions in Japan are second-hand, compared to 81% in the US and 86% in the UK. Japanese buyers overwhelmingly prefer new.
The 1981 Earthquake Code Divide
The June 1, 1981 revision to the Building Standards Act created a hard line in Japanese property:
- Pre-1981 (kyu-taishin): Designed to withstand a quake of intensity 5 on the Japanese scale
- Post-1981 (shin-taishin): Designed to withstand intensity 6-7
During the 1995 Kobe earthquake, post-1981 buildings survived in dramatically greater numbers. This means pre-1981 buildings carry a substantial value penalty - harder to sell, more expensive to insure, and most banks won't provide mortgages for them.
A further revision in 2000 added requirements for ground investigation and specific joint hardware in wooden buildings, creating yet another valuation tier.
Land vs. Building: The Key Concept
In Japanese real estate, a property's price is explicitly split into land value and building value. For detached houses, land typically represents roughly 80% of the total price. In central Tokyo, even more.
This means: in central Tokyo, you are primarily buying land. The building is an increasingly small fraction of the price, and when it reaches zero, the land value may well have increased enough to offset the loss entirely.
In rural areas, however, both land and building can decline - which is why 9 million homes sit vacant.
Recent land price trends
Land in desirable areas has been appreciating. Japanese land prices rose 3.3% in 2023, with central Tokyo seeing much larger gains. Average condo prices in Tokyo's central six wards hit 160.64 million yen per 70 sqm in 2025 - record highs. One point in Shibuya saw a 32.7% increase.
Why Western Markets Are Different
- Renovation culture: Western homes are maintained, upgraded, and valued for improvements. Japan's cultural expectation is replacement, not renovation.
- Supply constraints: Western housing supply is restricted by zoning and NIMBYism. Japan builds liberally - Tokyo alone approves more housing starts than all of England.
- Population growth: US, UK, and Australia have growing populations driving demand. Japan's population shrinks by 900,000+ per year.
- The 1990 bubble: Land values fell approximately 70% by 2001 from their peak. Two lost decades eliminated the "property always goes up" mentality entirely.
Where Japanese Property Does Hold Value
Central Tokyo
Prime urban condos in Minato-ku, Shibuya-ku, and Chiyoda-ku appreciate when land gains outpace building depreciation. Between 20-40% of new apartments in these wards are sold to foreign buyers.
Renovated kominka
Traditional pre-WWII farmhouses renovated to modern standards can see value increases from 1 million to 10-15 million yen. These are valued as cultural and lifestyle assets.
Metro areas with population inflow
Properties in Tokyo, Osaka, and Fukuoka with strong employment and transit access hold value better than the national average.
Tax Implications of Depreciation
For homeowners
As the building depreciates, your annual property tax decreases. Fixed asset tax is 1.4% of assessed value (which follows the depreciation schedule). Ongoing holding costs become very modest over time compared to Western property tax applied to appreciated values.
For investors
Building depreciation is deductible against rental income, reducing your taxable income. For used wooden properties past their 22-year statutory life, a compressed depreciation schedule gives you accelerated tax benefits in the early years of ownership. This creates a paper loss that shelters actual rental cash flow from taxation - a real and significant benefit.
Capital gains
- Held 5 years or less: 39.63% tax rate
- Held more than 5 years: 20.315% tax rate
The Opportunity for Foreign Buyers
The depreciation model, while counterintuitive, creates genuine opportunities:
- Buy cheap, renovate, live well. A building assessed at zero can still be perfectly livable. You're essentially paying for land only, then renovating the structure for a fraction of new-build cost.
- Low holding costs. Property taxes decrease as the building ages. Combined annual taxes of 1.7% on assessed value (not market value) is modest.
- Tax-advantaged investment. Depreciation deductions shelter rental income. Compressed schedules on older buildings accelerate the benefit.
- Weak yen advantage. Currency dynamics make Japanese property even more accessible for foreign currency earners.
The right mindset: Buy Japanese property for lifestyle, not speculation. In desirable locations, land value can appreciate. In rural areas, treat it as a lifestyle investment. The most satisfied foreign buyers understand they're buying quality of life and cultural experience, not a retirement fund.
Is the Culture Shifting?
There are signs of change:
- The renovation market is growing as new-construction costs rise due to material inflation and labor shortages
- Government promotes "200-year houses" (chouki yuryou jutaku) with tax incentives for long-life certified construction
- Environmental pressure on the scrap-and-rebuild cycle's carbon footprint
- Remote work has increased interest in renovated properties in suburban and rural areas
However, annual demolition contracts still increased 15% between 2018-2022. The scrap-and-build mentality is far from dead.
Looking at Japanese property?
Understanding depreciation is essential before you buy. We help foreign buyers navigate the market, find the right property type, and understand what they're actually investing in.