古閑（山鹿市）
Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)
Tap anywhere on the map to get an estimate for that spot. Map: GSI Tiles.
| Avg. residential land price | Now | 1 year | 3 years | 5 years | 10 years |
|---|---|---|---|---|---|
| Forecast Forecast −0.1% a year | ¥21K/m² | ¥21K/m² | ¥21K/m² | ¥21K/m² | ¥21K/m² |
Forecasts are projections, not guarantees. 10-year range: ¥17K/m²–¥25K/m²
| Area | Avg. residential | ≈ USD/sq ft | Koga, Yamaga City is | 1 year | 5 years | Condos per m² | Index |
|---|---|---|---|---|---|---|---|
| Koga, Yamaga City | ¥21K/m² | $13/sq ft | +0.9% | +0.5% | — | — | |
| Yamaga City | ¥14K/m² | $8/sq ft | 1.6x | ±0.0% | −0.8% | — | 49 |
| Kumamoto | ¥43K/m² | $25/sq ft | 0.50x | +1.7% | +8.4% | ¥249K/m² | 66 |
| Japan | ¥120K/m² | $70/sq ft | 0.18x | +2.1% | +8.0% | ¥493K/m² | — |
| Location | Use | Price per m² | ≈ USD/sq ft | 1 year | Station |
|---|---|---|---|---|---|
| 熊本県 山鹿市古閑字辻１３０３番１０外 Land Price Publication 2026 |
Residential | ¥21K/m² | $13/sq ft | +0.9% | 熊本 31.0 km |
Sales in the loaded period: Land & building 3 · Land 2 · Farmland 1
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Koga | Q4 2025 | Farmland | ¥700K | 1,000 m² | — | — |
| Koga | Q2 2025 | Land & building | ¥9.8M | 210 m² | 1985 | — |
| Koga | Q1 2025 | Land | ¥4.9M | 300 m² | — | ¥16K/m² |
| Koga | Q4 2024 | Land | ¥6.8M | 250 m² | — | ¥27K/m² |
| Koga | Q3 2024 | Land & building | ¥18.0M | 660 m² | 1995 | — |
| Koga | Q2 2024 | Land & building | ¥4.0M | 250 m² | 1977 | — |
The average price of residential land in Koga, Yamaga City is ¥21,400 per m² (about ¥70,744 per tsubo), based on 1 sites in the official land price surveys (2026).
Land prices in Koga, Yamaga City have risen by +0.9% on average over the past year. Over five years the change is +0.5%.
The Fudosan Zukan model projects residential land prices to change by -0.1% a year, reaching about ¥21,283 per m² in 10 years (range ¥17,452–¥25,114). Forecasts are projections, not guarantees.
Land prices are official survey prices (Land Price Publication as of January 1, Prefectural Land Price Survey as of July 1); transactions are MLIT transaction and contract prices. Averages, changes, forecasts and the index are calculated by Fudosan Zukan. All prices in Japanese yen; dollar figures (≈) at ¥157.9 = $1 are for reference. Estimated prices and forecasts on this site are for reference only and do not guarantee actual sale prices or appraisal values. The estimate is not a licensed real estate appraisal; it is an "AI-estimated price" calculated from public land price and transaction statistics. Forecasts are projections, not guarantees.