西新井宿（川口市）
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.
| Area | Avg. residential | ≈ USD/sq ft | Oaza Nishiaraijuku, Kawaguchi City is | 1 year | 5 years | Condos per m² | Index |
|---|---|---|---|---|---|---|---|
| Oaza Nishiaraijuku, Kawaguchi City | — | — | — | — | ¥267K/m² | — | |
| Kawaguchi City | ¥267K/m² | $157/sq ft | +4.9% | +24.0% | ¥500K/m² | 93 | |
| Saitama | ¥142K/m² | $83/sq ft | +2.1% | +8.7% | ¥333K/m² | 83 | |
| Japan | ¥120K/m² | $70/sq ft | +2.1% | +8.0% | ¥493K/m² | — |
Sales in the loaded period: Land 7 · Pre-owned condo 6 · Land & building 3
| District | Period | Type | Price | Area | Built | Per m² |
|---|---|---|---|---|---|---|
| Oaza Nishiaraijuku | Q2 2026 | Land & building | ¥40.0M | 140 m² | — | — |
| Oaza Nishiaraijuku | Q2 2026 | Land | ¥3.0M | 9,999 m² | — | ¥990/m² |
| Oaza Nishiaraijuku | Q1 2026 | Land & building (contract) | ¥27.0M | 65 m² | 2017 | — |
| Oaza Nishiaraijuku | Q1 2026 | Land | ¥1.8M | 520 m² | — | ¥3,500/m² |
| Oaza Nishiaraijuku | Q1 2026 | Land | ¥8.9M | 370 m² | — | ¥24K/m² |
| Oaza Nishiaraijuku | Q1 2026 | Land | ¥31.0M | 1,300 m² | — | ¥24K/m² |
| Oaza Nishiaraijuku | Q4 2025 | Pre-owned condo (contract) | ¥36.0M | 90 m² | 2004 | ¥400K/m² |
| Oaza Nishiaraijuku | Q4 2025 | Land | ¥8.0M | 1,200 m² | — | ¥6,500/m² |
| Oaza Nishiaraijuku | Q3 2025 | Pre-owned condo (contract) | ¥28.0M | 115 m² | 2004 | ¥243K/m² |
| Oaza Nishiaraijuku | Q3 2025 | Pre-owned condo | ¥28.0M | 105 m² | 2004 | ¥267K/m² |
| Oaza Nishiaraijuku | Q4 2024 | Pre-owned condo (contract) | ¥27.0M | 80 m² | 2004 | ¥338K/m² |
| Oaza Nishiaraijuku | Q4 2024 | Pre-owned condo (contract) | ¥36.0M | 75 m² | 2006 | ¥480K/m² |
| Oaza Nishiaraijuku | Q4 2024 | Land | ¥30.0M | 100 m² | — | ¥300K/m² |
| Oaza Nishiaraijuku | Q3 2024 | Pre-owned condo (contract) | ¥30.0M | 80 m² | 2004 | ¥375K/m² |
| Oaza Nishiaraijuku | Q3 2024 | Land | ¥53.0M | 740 m² | — | ¥72K/m² |
| Oaza Nishiaraijuku | Q3 2024 | Land & building | ¥18.0M | 100 m² | 1985 | — |
The median price of pre-owned condo transactions in the last two years is ¥266,666 per m², with a median price of ¥28.0 million (3 transactions, MLIT Real Estate Information Library).
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 ¥158.25 = $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.