古安曽（上田市）
Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)
Sales in the loaded period: Land 4 · Farmland 3 · Land & building 3 · Forest 1
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Koaso | Q2 2026 | Farmland | ¥650K | 2,900 m² | — | — |
| Koaso | Q1 2026 | Farmland | ¥1.5M | 730 m² | — | — |
| Koaso | Q4 2025 | Land | ¥5.5M | 730 m² | — | ¥7,600/m² |
| Koaso | Q4 2025 | Land | ¥6.0M | 790 m² | — | ¥7,600/m² |
| Koaso | Q3 2025 | Forest | ¥75K | 2,700 m² | — | — |
| Koaso | Q3 2025 | Farmland | ¥610K | 2,900 m² | — | — |
| Koaso | Q3 2025 | Land | ¥5.5M | 1,000 m² | — | ¥5,500/m² |
| Koaso | Q2 2024 | Land & building | ¥16.0M | 430 m² | 1982 | — |
| Koaso | Q1 2024 | Land | ¥820K | 35 m² | — | ¥25K/m² |
| Koaso | Q1 2024 | Land & building | ¥2.0M | 540 m² | 1969 | — |
| Koaso | Q4 2023 | Land & building | ¥11.0M | 530 m² | 1991 | — |
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 ¥157.25 = $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.