平井（古座川町）
Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)
| Area | Avg. residential | ≈ USD/sq ft | Hirai, Kozagawa Town is | 1 year | 5 years | Condos per m² | Index |
|---|---|---|---|---|---|---|---|
| Hirai, Kozagawa Town | — | — | — | — | — | — | |
| Kozagawa Town | ¥12K/m² | $7/sq ft | −1.7% | −6.0% | — | 22 | |
| Wakayama | ¥38K/m² | $22/sq ft | −0.4% | −3.4% | ¥142K/m² | 21 | |
| Japan | ¥120K/m² | $70/sq ft | +2.1% | +8.0% | ¥493K/m² | — |
Sales in the loaded period: Land 6 · Forest 4
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Hirai | Q4 2025 | Forest | ¥2.2M | 8,888 m² | — | — |
| Hirai | Q4 2025 | Forest | ¥6.3M | 8,888 m² | — | — |
| Hirai | Q4 2025 | Forest | ¥10.0M | 8,888 m² | — | — |
| Hirai | Q3 2025 | Forest | ¥3.6M | 8,888 m² | — | — |
| Hirai | Q3 2025 | Land | ¥2.0M | 930 m² | — | ¥2,100/m² |
| Hirai | Q3 2025 | Land | ¥2.8M | 960 m² | — | ¥2,900/m² |
| Hirai | Q3 2025 | Land | ¥1.7M | 520 m² | — | ¥3,300/m² |
| Hirai | Q3 2025 | Land | ¥1.4M | 710 m² | — | ¥1,900/m² |
| Hirai | Q3 2025 | Land | ¥170K | 135 m² | — | ¥1,200/m² |
| Hirai | Q3 2025 | Land | ¥3.1M | 600 m² | — | ¥5,100/m² |
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.