Land prices / Saitama / Ageo
2025 published land transactionsKoshikiya land prices and price trends
This page aggregates publicly released transactions classified as residential land (land only) for the address area Koshikiya, Ageo. It does not limit transactions by the buyer's intended use.
Koshikiya location
Koshikiya location map
The orange point is the neighborhood representative point. Green points are stations within 1.5 km straight-line distance.
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Price distribution (2025)
Estimated land price by plot size (2025)
| Plot size | Equivalent in tsubo | Median estimate | Middle 50% estimate |
|---|---|---|---|
| 50.0 m² | 15.1 tsubo | JPY 6.5M | JPY 6.05M – JPY 6.81M |
| 100.0 m² | 30.3 tsubo | JPY 13.01M | JPY 12.1M – JPY 13.61M |
| 150.0 m² | 45.4 tsubo | JPY 19.51M | JPY 18.15M – JPY 20.42M |
| 200.0 m² | 60.5 tsubo | JPY 26.02M | JPY 24.2M – JPY 27.23M |
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
| Year | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Public transactions | 4 Indicative | 5 Indicative | 6 Indicative | 5 Indicative |
| Official observations | 1 | 1 | 1 | 1 |
Medians and changes can move sharply in years with few transactions.
The displayed period change compares transaction medians in 2022 and 2025. Published transactions and official residential land-price observations are separate series.
Latest official residential land-price observations: 1.
Published land transactions (2025)
| Period | Area | Price | Price / m² | Road width | Zoning |
|---|---|---|---|---|---|
| 2025-10 | 130.0 m² | JPY 17M | JPY 130,075 / m²JPY 130.075K / m² | 9.8 m | Residential use |
| 2025-04 | 330.0 m² | JPY 40M | JPY 121,000 / m²JPY 121K / m² | 31.6 m | Office use |
| 2025-04 | 180.0 m² | JPY 28M | JPY 151,250 / m²JPY 151.25K / m² | 10.5 m | Residential use |
| 2025-04 | 170.0 m² | JPY 23M | JPY 136,125 / m²JPY 136.125K / m² | 17.2 m | |
| 2025-01 | 175.0 m² | JPY 20M | JPY 111,925 / m²JPY 111.925K / m² | Not disclosed |
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.
Koshikiya land-price summary
The median published transaction price in Koshikiya for 2025 is JPY 130,075 / m²JPY 130.075K / m². A 100 m² plot would therefore be about JPY 13.01M by simple multiplication. The period-change figure compares yearly transaction medians in 2022 and 2025.