Land prices / Saitama / Ageo
2025 published land transactionsKoizumi land prices and price trends
This page aggregates publicly released transactions classified as residential land (land only) for the address area Koizumi, Ageo. It does not limit transactions by the buyer's intended use.
Koizumi location
Koizumi location map
The orange point is the neighborhood representative point. Green points are stations within 1.5 km straight-line distance.
Select a station marker or label to open its station-area page. Overlapping labels appear when the marker is selected.
Price distribution (2025)
Estimated land price by plot size (2025)
| Plot size | Equivalent in tsubo | Median estimate | Middle 50% estimate |
|---|---|---|---|
| 66.1 m² | 20 tsubo | JPY 8.2M | JPY 8M – JPY 10.4M |
| 99.2 m² | 30 tsubo | JPY 12.3M | JPY 12M – JPY 15.6M |
| 132.2 m² | 40 tsubo | JPY 16.4M | JPY 16M – JPY 20.8M |
| 165.3 m² | 50 tsubo | JPY 20.5M | JPY 20M – JPY 26M |
These are simple land-only estimates calculated from the displayed median and quartile price per m², not medians of transactions at each plot size.
Land-price trend
The displayed period change compares transaction medians in 2021 and 2025. Published transactions and official residential land-price observations are separate series.
Published land transactions (2025)
| Period | Area | Price | Price / m² | Road width | Zoning |
|---|---|---|---|---|---|
| 2025-10 | 120.0 m² | JPY 15M | JPY 124,025 / m² | 7.5 m | |
| 2025-07 | 790.0 m² | JPY 130M | JPY 157,300 / m² | 35 m | Residential use |
| 2025-04 | 140.0 m² | JPY 17M | JPY 121,000 / m² | 10.4 m | Residential use |
| 2025-04 | 150.0 m² | JPY 16M | JPY 105,875 / m² | 2.7 m | Residential use |
| 2025-01 | 130.0 m² | JPY 28M | JPY 211,750 / m² | 10 m | Other |
Transactions are listed newest first. They are not filtered by residential intent or buyer type. Low unit price alone is not treated as atypical. “Value check” is limited to invalid values or extremely high unit prices and does not necessarily indicate an error.
Koizumi land-price summary
The median published transaction price in Koizumi for 2025 is JPY 124,025 / m². A 99.2 m² (30-tsubo) plot would therefore be about JPY 12.3M by simple multiplication. The period-change figure compares yearly transaction medians in 2021 and 2025.