小海町
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 −1.1% a year | ¥17K/m² | ¥17K/m² | ¥17K/m² | ¥16K/m² | ¥15K/m² |
Forecasts are projections, not guarantees. 10-year range: ¥13K/m²–¥18K/m²
| Item | Assessed value | Market estimate | Area | Per m² (market estimate) |
|---|---|---|---|---|
| Residential land | ¥9.4 billion | ¥13.4 billion | 1.3 km² | ¥10K/m² |
| Other land farmland, forest, other | ¥1.4 billion | ¥1.4 billion | 45.1 km² | — |
| Buildings wooden ¥5.0 billion · non-wooden ¥3.9 billion | ¥9.0 billion | ¥9.0 billion | 52.7 ha floor | — |
| Total | ¥19.7 billion | ¥23.7 billion |
Market estimate: residential land is assessed at about 70% of official land prices, so its assessed value is divided by 0.7; other land and buildings are shown at assessed value. Tax-exempt land and buildings (roads, parks, etc.) are not included. Source: Ministry of Internal Affairs and Communications, survey of fixed-asset values (FY2025, by municipality), compiled by Fudosan Zukan.
| Area | Avg. residential | Avg. commercial | 1 year | 5 years | Condos per m² | Sales |
|---|---|---|---|---|---|---|
| Oaza Toyosato 豊里 |
¥20K/m² | ¥22K/m² | −1.6% | −7.5% | — | 3 |
| Oaza Koumi 小海 |
¥15K/m² | ¥22K/m² | −1.6% | −6.5% | — | 6 |
| Oaza Chiyosato 千代里 |
— | — | — | — | — | 1 |
| Location | Use | Price per m² | ≈ USD/sq ft | 1 year | Station |
|---|---|---|---|---|---|
| 長野県 南佐久郡小海町大字豊里字西川原３００番１ Land Price Publication 2026 |
Commercial | ¥22K/m² | $13/sq ft | −1.8% | 小海 870 m |
| 長野県 南佐久郡小海町大字小海字清水平上ミ４２７７番１外 Prefectural Survey 2026 |
Commercial | ¥22K/m² | $13/sq ft | −1.8% | 飲食店舗、小売店舗等が集まる駅前の商業地域 |
| 長野県 南佐久郡小海町大字豊里字まま下２７３番４外 Prefectural Survey 2026 |
Residential | ¥20K/m² | $12/sq ft | −1.5% | 中小規模一般住宅が多い中に店舗等が見られる既成住宅地域 |
| 長野県 南佐久郡小海町大字小海字小坂下４０４５番１ Land Price Publication 2026 |
Residential | ¥15K/m² | $9/sq ft | −1.4% | 小海 1.0 km |
Sales in the loaded period: Land 10 · Farmland 2 · Land & building 2
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Oaza Toyosato | Q2 2026 | Land | ¥270K | 850 m² | — | ¥310/m² |
| Oaza Toyosato | Q2 2026 | Land | ¥240K | 740 m² | — | ¥320/m² |
| Oaza Koumi | Q1 2026 | Farmland | ¥1.3M | 4,200 m² | — | — |
| Oaza Koumi | Q1 2026 | Land & building | ¥18.0M | 1,300 m² | 1989 | — |
| Oaza Koumi | Q1 2026 | Land | ¥6.3M | 630 m² | — | ¥9,900/m² |
| Oaza Koumi | Q1 2026 | Land & building | ¥2.1M | 140 m² | — | — |
| Oaza Koumi | Q1 2026 | Land | ¥1.1M | 150 m² | — | ¥6,900/m² |
| Oaza Koumi | Q1 2026 | Land | ¥1.3M | 135 m² | — | ¥9,300/m² |
| Oaza Toyosato | Q4 2025 | Land | ¥880K | 115 m² | — | ¥7,500/m² |
| Oaza Chiyosato | Q4 2025 | Farmland | ¥1.0M | 1,200 m² | — | — |
| Oaza Chiyosato | Q2 2025 | Land | ¥38.0M | 9,999 m² | — | ¥9,800/m² |
| Oaza Toyosato | Q1 2025 | Land | ¥1.2M | 80 m² | — | ¥15K/m² |
| Oaza Chiyosato | Q1 2024 | Land | ¥4.7M | 300 m² | — | ¥16K/m² |
| Oaza Koumi | Q4 2023 | Land | ¥52K | 130 m² | — | ¥400/m² |
Population, income, rent, yield, transport and disaster risk will be added once sourced data is available. Methodology
The average price of residential land in Koumi Town is ¥17,200 per m² (about ¥56,860 per tsubo), based on 2 sites in the official land price surveys (2026).
Land prices in Koumi Town have fallen by -1.6% on average over the past year. Over five years the change is -7.0%.
The Fudosan Zukan model projects residential land prices to change by -1.1% a year, reaching about ¥15,335 per m² in 10 years (range ¥12,575–¥18,095). Forecasts are projections, not guarantees.
About ¥23.7 billion: land ¥14.8 billion and buildings ¥9.0 billion (estimated from assessed values for fixed-asset tax, FY2025; assessed total ¥19.7 billion).
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.