Land prices / Saitama / Sayama
2025 published land transactionsIrumagawa land prices and price trends
This page aggregates publicly released transactions classified as residential land (land only) for the address area Irumagawa, Sayama. It does not limit transactions by the buyer's intended use.
Irumagawa location
Irumagawa 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 4.99M | JPY 3.03M – JPY 5.9M |
| 100.0 m² | 30.3 tsubo | JPY 9.98M | JPY 6.05M – JPY 11.8M |
| 150.0 m² | 45.4 tsubo | JPY 14.97M | JPY 9.08M – JPY 17.7M |
| 200.0 m² | 60.5 tsubo | JPY 19.97M | JPY 12.1M – JPY 23.6M |
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 | 15 | 10 | 14 | 15 | 11 |
| Official observations | 3 | 3 | 3 | 3 | 3 |
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: 3.
Published land transactions (2025)
| Period | Area | Price | Price / m² | Road width | Zoning |
|---|---|---|---|---|---|
| 2025-10 | 190.0 m² | JPY 24M | JPY 127,050 / m²JPY 127.05K / m² | 21 m | Residential use |
| 2025-10 | 55.0 m² | JPY 5.5M | JPY 99,825 / m²JPY 99.825K / m² | 15 m | Other |
| 2025-07 | 200.0 m² | JPY 22M | JPY 108,900 / m²JPY 108.9K / m² | 15.8 m | Residential use |
| 2025-04 | 1900.0 m² | JPY 180M | JPY 93,775 / m²JPY 93.775K / m² | 49.5 m | Other |
| 2025-04 | 280.0 m² | JPY 46M | JPY 166,375 / m²JPY 166.375K / m² | 10 m | Residential use |
| 2025-01 | 230.0 m² | JPY 25M | JPY 105,875 / m²JPY 105.875K / m² | 13.5 m | |
| 2025-01 | 135.0 m² | JPY 21M | JPY 154,275 / m²JPY 154.275K / m² | 3 m | |
| 2025-01 | 240.0 m² | JPY 13M | JPY 51,425 / m²JPY 51.425K / m² | Not disclosed | Residential use |
| 2025-01 | 155.0 m² | JPY 11M | JPY 69,575 / m²JPY 69.575K / m² | 9.6 m | Other |
| 2025-01 | 990.0 m² | JPY 2.5M | JPY 2,511 / m²JPY 2.511K / m² | 22.9 m | |
| 2025-01 | 60.0 m² | JPY 1.5M | JPY 24,503 / m²JPY 24.503K / m² | 12 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.
Irumagawa land-price summary
The median published transaction price in Irumagawa for 2025 is JPY 99,825 / m²JPY 99.825K / m². A 100 m² plot would therefore be about JPY 9.98M by simple multiplication. The period-change figure compares yearly transaction medians in 2021 and 2025.
Station-area land prices near Irumagawa
Stations whose coordinates are within 1.5 km straight-line distance of this neighborhood's representative point, ordered by distance.
Sayamashi Station 1.5 km area
22 published transactions across 6 neighborhoods in 2025
View station area →1.30 km straight-line distanceInariyama-Koen Station 1.5 km area
13 published transactions across 8 neighborhoods in 2025
View station area →This is not the distance from an individual property or a walking-time catchment. Each station page aggregates the full areas of qualifying neighborhoods.