入間川（狭山市）
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 +1.0% a year | ¥136K/m² | ¥138K/m² | ¥140K/m² | ¥143K/m² | ¥151K/m² |
Forecasts are projections, not guarantees. 10-year range: ¥123K/m²–¥178K/m²
| Area | Avg. residential | ≈ USD/sq ft | Irumagawa, Sayama City is | 1 year | 5 years | Condos per m² | Index |
|---|---|---|---|---|---|---|---|
| Irumagawa, Sayama City | ¥136K/m² | $80/sq ft | +1.5% | +6.0% | ¥240K/m² | — | |
| Sayama City | ¥113K/m² | $66/sq ft | 1.2x | +1.2% | +3.9% | ¥100K/m² | 70 |
| Saitama | ¥142K/m² | $83/sq ft | 0.96x | +2.1% | +8.7% | ¥333K/m² | 83 |
| Japan | ¥120K/m² | $70/sq ft | 1.1x | +2.1% | +8.0% | ¥493K/m² | — |
| Location | Use | Price per m² | ≈ USD/sq ft | 1 year | Station |
|---|---|---|---|---|---|
| 埼玉県 狭山市入間川１丁目３４１４番１外 Prefectural Survey 2026 |
Commercial | ¥253K/m² | $148/sq ft | +1.6% | 店舗、マンション等が建ち並ぶ駅に近い商業地域 |
| 埼玉県 狭山市入間川１丁目３４４２番５１ Prefectural Survey 2026 |
Residential | ¥207K/m² | $121/sq ft | +2.5% | 中規模一般住宅が見られる交通至便な住宅地域 |
| 埼玉県 狭山市入間川１丁目３３３８番４ Prefectural Survey 2026 |
Residential | ¥163K/m² | $96/sq ft | +2.5% | 中規模一般住宅が多い交通至便な住宅地域 |
| 埼玉県 狭山市入間川１丁目３３３８番４ Land Price Publication 2026 |
Residential | ¥161K/m² | $94/sq ft | +2.5% | 狭山市 540 m |
| 埼玉県 狭山市入間川字上窪１４９６番１ Prefectural Survey 2026 |
Residential | ¥119K/m² | $70/sq ft | +0.8% | 戸建住宅のほか空地等も残る住宅地域 |
| 埼玉県 狭山市入間川１丁目４０９４番５ Land Price Publication 2026 |
Residential | ¥118K/m² | $69/sq ft | +1.7% | 狭山市 830 m |
| 埼玉県 狭山市入間川４丁目３７５９番１ Land Price Publication 2026 |
Commercial | ¥115K/m² | $67/sq ft | +0.9% | 狭山市 1.3 km |
| 埼玉県 狭山市入間川２丁目２１６８番３８ Prefectural Survey 2026 |
Residential | ¥110K/m² | $65/sq ft | +0.9% | 小規模一般住宅が多い北西斜面地の住宅地域 |
| 埼玉県 狭山市入間川字イ３１４４番３７ Prefectural Survey 2026 |
Residential | ¥108K/m² | $63/sq ft | +0.9% | 小規模一般住宅の中に空地等が見られる住宅地域 |
| 埼玉県 狭山市入間川４丁目４５３６番２７ Land Price Publication 2026 |
Residential | ¥105K/m² | $62/sq ft | +1.0% | 狭山市 1.3 km |
Sales in the loaded period: Pre-owned condo 72 · Land & building 60 · Land 36 · Forest 2
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Irumagawa | Q2 2026 | Land & building (contract) | ¥6.0M | 235 m² | 1979 | — |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥16.0M | 65 m² | 1984 | ¥246K/m² |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥12.0M | 55 m² | 1980 | ¥218K/m² |
| Irumagawa | Q2 2026 | Land & building (contract) | ¥23.0M | 115 m² | 2009 | — |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥19.0M | 70 m² | 2008 | ¥271K/m² |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥7.4M | 50 m² | 1989 | ¥148K/m² |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥35.0M | 75 m² | 2015 | ¥467K/m² |
| Irumagawa | Q2 2026 | Land & building (contract) | ¥46.0M | 265 m² | 1999 | — |
| Irumagawa | Q2 2026 | Land & building (contract) | ¥27.0M | 100 m² | 2025 | — |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥18.0M | 70 m² | 2006 | ¥257K/m² |
| Irumagawa | Q2 2026 | Pre-owned condo (contract) | ¥8.0M | 65 m² | 1983 | ¥123K/m² |
| Irumagawa | Q2 2026 | Land & building (contract) | ¥14.0M | 105 m² | 1991 | — |
| Irumagawa | Q2 2026 | Land | ¥20.0M | 220 m² | — | ¥93K/m² |
| Irumagawa | Q1 2026 | Pre-owned condo (contract) | ¥22.0M | 70 m² | 1987 | ¥314K/m² |
| Irumagawa | Q1 2026 | Pre-owned condo (contract) | ¥8.9M | 70 m² | 1985 | ¥127K/m² |
| Irumagawa | Q1 2026 | Land & building (contract) | ¥14.0M | 105 m² | 1980 | — |
| Irumagawa | Q1 2026 | Land & building (contract) | ¥5.0M | 45 m² | 1972 | — |
| Irumagawa | Q1 2026 | Pre-owned condo (contract) | ¥15.0M | 65 m² | 1993 | ¥231K/m² |
| Irumagawa | Q1 2026 | Pre-owned condo (contract) | ¥33.0M | 90 m² | 2005 | ¥367K/m² |
| Irumagawa | Q1 2026 | Pre-owned condo (contract) | ¥4.3M | 25 m² | 1987 | ¥172K/m² |
The average price of residential land in Irumagawa, Sayama City is ¥136,375 per m² (about ¥450,826 per tsubo), based on 8 sites in the official land price surveys (2026).
Land prices in Irumagawa, Sayama City have risen by +1.5% on average over the past year. Over five years the change is +6.0%.
The median price of pre-owned condo transactions in the last two years is ¥240,000 per m², with a median price of ¥15.5 million (42 transactions, MLIT Real Estate Information Library).
The Fudosan Zukan model projects residential land prices to change by +1.0% a year, reaching about ¥150,606 per m² in 10 years (range ¥123,497–¥177,715). 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 ¥158.29 = $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.