Oaza Obayashi — sold prices & market data
Koshigaya, Saitama · real MLIT transaction records, 2023 Q4 – 2025 Q3
Oaza Obayashi is a district of Koshigaya in Saitama. Across 45 MLIT-recorded sales from 2023 Q4 to 2025 Q3, the median sold price is ¥245K/m², and a typical deal changed hands for ¥25,000,000. Used condos have a median of ¥315K/m², houses (land & building) ¥243K/m². MLIT anonymizes records to district (大字) level — block-level detail (e.g. 1-chome) is not published.
4 condo · 39 house · 2 land
Browse live map & all records in Koshigaya →Quarterly median ¥/m²
| Quarter | Median sold ¥/m² | Deals |
|---|---|---|
| 2023 Q4 | ¥338K/m² | 3 |
| 2024 Q1 | ¥343K/m² | 3 |
| 2024 Q2 | ¥292K/m² | 5 |
| 2024 Q3 | ¥150K/m² | 5 |
| 2024 Q4 | ¥188K/m² | 1 |
| 2025 Q1 | ¥145K/m² | 11 |
| 2025 Q2 | ¥245K/m² | 11 |
| 2025 Q3 | ¥373K/m² | 6 |
Recent deals (actual MLIT records)
| Quarter | Type | Size | ¥/m² | Price |
|---|---|---|---|---|
| 2025 Q3 | House · built 2025 | 130 m² | ¥346K/m² | ¥45,000,000 |
| 2025 Q3 | House · built 2025 | 105 m² | ¥438K/m² | ¥46,000,000 |
| 2025 Q3 | House · built 2025 | 105 m² | ¥438K/m² | ¥46,000,000 |
| 2025 Q3 | House · built 2025 | 95 m² | ¥400K/m² | ¥38,000,000 |
| 2025 Q3 | House · built 1974 | 110 m² | ¥64K/m² | ¥7,000,000 |
| 2025 Q3 | House · 5LDK · built 2000 | 185 m² | ¥200K/m² | ¥37,000,000 |
| 2025 Q2 | House · built 2005 | 150 m² | ¥147K/m² | ¥22,000,000 |
| 2025 Q2 | House · built 2025 | 150 m² | ¥267K/m² | ¥40,000,000 |
| 2025 Q2 | Land | 250 m² | ¥100K/m² | ¥25,000,000 |
| 2025 Q2 | House · built 2025 | 105 m² | ¥448K/m² | ¥47,000,000 |
| 2025 Q2 | House · 3LDK · built 2005 | 150 m² | ¥147K/m² | ¥22,000,000 |
| 2025 Q2 | House · 4LDK · built 2016 | 115 m² | ¥261K/m² | ¥30,000,000 |
More districts in Koshigaya
Sources: the MLIT real-estate transaction database (actual anonymized sale records) for all prices shown; MLIT land-price surveys 2025 are used for trend percentages only. Operated by Scrum Value Agents Inc., Minato, Tokyo (svachain.com). All figures are real official data — not listings.