大原（いすみ市）
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 −0.9% a year | ¥20K/m² | ¥20K/m² | ¥19K/m² | ¥19K/m² | ¥18K/m² |
Forecasts are projections, not guarantees. 10-year range: ¥15K/m²–¥21K/m²
| Area | Avg. residential | ≈ USD/sq ft | Ohara, Isumi City is | 1 year | 5 years | Condos per m² | Index |
|---|---|---|---|---|---|---|---|
| Ohara, Isumi City | ¥20K/m² | $12/sq ft | −1.3% | −6.5% | — | — | |
| Isumi City | ¥13K/m² | $8/sq ft | 1.5x | −0.6% | −3.9% | ¥98K/m² | 37 |
| Chiba | ¥118K/m² | $69/sq ft | 0.17x | +4.2% | +18.1% | ¥320K/m² | 88 |
| Japan | ¥120K/m² | $70/sq ft | 0.17x | +2.1% | +8.0% | ¥493K/m² | — |
| Location | Use | Price per m² | ≈ USD/sq ft | 1 year | Station |
|---|---|---|---|---|---|
| 千葉県 いすみ市大原字東仲町８６９９番 Prefectural Survey 2026 |
Commercial | ¥26K/m² | $15/sq ft | −1.5% | 店舗併用住宅、銀行等が建ち並ぶ駅前商業地域 |
| 千葉県 いすみ市大原字初芝９９３１番 Land Price Publication 2026 |
Residential | ¥22K/m² | $13/sq ft | −1.8% | 大原 1.0 km |
| 千葉県 いすみ市大原字川田８０９０番１外 Land Price Publication 2026 |
Residential | ¥18K/m² | $11/sq ft | −0.6% | 大原 1.0 km |
Sales in the loaded period: Land & building 23 · Land 22 · Farmland 1 · Forest 1
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Ohara | Q2 2026 | Farmland | ¥670K | 220 m² | — | — |
| Ohara | Q2 2026 | Land & building | ¥21.0M | 270 m² | 2024 | — |
| Ohara | Q2 2026 | Land | ¥200K | 60 m² | — | ¥3,200/m² |
| Ohara | Q2 2026 | Land | ¥9.0M | 850 m² | — | ¥11K/m² |
| Ohara | Q2 2026 | Land | ¥950K | 140 m² | — | ¥6,700/m² |
| Ohara | Q2 2026 | Land & building | ¥11.0M | 540 m² | 1992 | — |
| Ohara | Q2 2026 | Land & building | ¥4.8M | 220 m² | 1998 | — |
| Ohara | Q2 2026 | Land & building | ¥2.2M | 120 m² | 1958 | — |
| Ohara | Q2 2026 | Land & building | ¥33.0M | 9,999 m² | 1986 | — |
| Ohara | Q1 2026 | Land & building | ¥790K | 330 m² | 1996 | — |
| Ohara | Q1 2026 | Land & building | ¥2.1M | 260 m² | 2003 | — |
| Ohara | Q1 2026 | Land & building | ¥1.1M | 135 m² | 1982 | — |
| Ohara | Q1 2026 | Land & building | ¥8.5M | 420 m² | 1980 | — |
| Ohara | Q1 2026 | Land | ¥1.5M | 75 m² | — | ¥20K/m² |
| Ohara | Q1 2026 | Land & building | ¥10.0M | 670 m² | 1979 | — |
| Ohara | Q4 2025 | Land | ¥1.5M | 730 m² | — | ¥2,100/m² |
| Ohara | Q4 2025 | Land | ¥500K | 330 m² | — | ¥1,500/m² |
| Ohara | Q4 2025 | Land & building | ¥400K | 100 m² | 1980 | — |
| Ohara | Q3 2025 | Land | ¥100K | 1,300 m² | — | ¥79/m² |
| Ohara | Q3 2025 | Land | ¥990K | 185 m² | — | ¥5,400/m² |
The average price of residential land in Ohara, Isumi City is ¥19,900 per m² (about ¥65,785 per tsubo), based on 2 sites in the official land price surveys (2026).
Land prices in Ohara, Isumi City have fallen by -1.3% on average over the past year. Over five years the change is -6.5%.
The Fudosan Zukan model projects residential land prices to change by -0.9% a year, reaching about ¥18,152 per m² in 10 years (range ¥14,885–¥21,419). 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.