Land prices / Saitama / Koshigaya
2025 published land transactionsOsawa land prices and price trends
This page aggregates publicly released transactions classified as residential land (land only) for the address area Osawa, Koshigaya. It does not limit transactions by the buyer's intended use.
Osawa location
Osawa 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 |
|---|---|---|---|
| 50.0 m² | 15.1 tsubo | JPY 8.39M | JPY 7.26M – JPY 10.17M |
| 100.0 m² | 30.3 tsubo | JPY 16.79M | JPY 14.52M – JPY 20.34M |
| 150.0 m² | 45.4 tsubo | JPY 25.18M | JPY 21.78M – JPY 30.51M |
| 200.0 m² | 60.5 tsubo | JPY 33.58M | JPY 29.04M – JPY 40.69M |
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 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Public transactions | 10 | 6 Indicative | 4 Indicative | 8 Indicative | 8 Indicative |
| Official observations | 2 | 2 | 2 | 2 | 2 |
Medians and changes can move sharply in years with few transactions.
The displayed period change compares transaction medians in 2021 and 2025. Published transactions and official residential land-price observations are separate series.
Latest official residential land-price observations: 2.
Published land transactions (2025)
| Period | Area | Price | Price / m² | Road width | Zoning |
|---|---|---|---|---|---|
| 2025-10 | 230.0 m² | JPY 60M | JPY 260,150 / m²JPY 260.15K / m² | 19.2 m | Other |
| 2025-10 | 165.0 m² | JPY 27M | JPY 166,375 / m²JPY 166.375K / m² | 11.1 m | Residential use |
| 2025-10 | 90.0 m² | JPY 16M | JPY 169,400 / m²JPY 169.4K / m² | 13 m | |
| 2025-07 | 290.0 m² | JPY 35M | JPY 121,000 / m²JPY 121K / m² | 12.5 m | Retail use |
| 2025-04 | 100.0 m² | JPY 15M | JPY 151,250 / m²JPY 151.25K / m² | 7 m | |
| 2025-01 | 470.0 m² | JPY 60M | JPY 127,050 / m²JPY 127.05K / m² | 10.1 m | Other |
| 2025-01 | 165.0 m² | JPY 33M | JPY 199,650 / m²JPY 199.65K / m² | 11.5 m | Residential use |
| 2025-01 | 90.0 m² | JPY 19M | JPY 214,775 / m²JPY 214.775K / m² | 14.4 m | Residential use |
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.
Osawa land-price summary
The median published transaction price in Osawa for 2025 is JPY 167,888 / m²JPY 167.888K / m². A 100 m² plot would therefore be about JPY 16.79M by simple multiplication. The period-change figure compares yearly transaction medians in 2021 and 2025.
Station-area land prices near Osawa
Stations whose coordinates are within 1.5 km straight-line distance of this neighborhood's representative point, ordered by distance.
This is not the distance from an individual property or a walking-time catchment. Each station page aggregates the full areas of qualifying neighborhoods.