Detailed official land price data becomes available
Japan's Ministry of Land, Infrastructure, Transport and Tourism announced on September 16, 2026, that detailed site-level data from the 2026 Prefectural Land Price Survey had been made available through its Real Estate Information Library and National Land Numerical Information download service. The survey values reflect conditions as of July 1, 2026. Users can examine individual survey locations rather than relying exclusively on nationwide averages.
A reference point for purchase and sale valuations
Official land price information can help buyers and sellers establish a benchmark for local market conditions. Prefectural survey values are determined by governors based on professional real estate appraisals and serve as indicators for land transactions. However, the assessed value of a reference site is not necessarily the transaction price of a particular property. Plot shape, road access, zoning and building characteristics can produce significant differences.
Why official data matters for overseas buyers
For international buyers unfamiliar with Japanese local markets, publicly available land values provide an independent reference when evaluating asking prices. This may be particularly useful in regional markets where comparable transactions are limited. Nevertheless, official land values do not directly measure building value or the investment performance of rental property. Buyers must also consider rental income, maintenance expenses, building condition and transaction-specific factors. Combining public data with property-level evidence provides a stronger basis for valuation.