Property prices in Kosai
Median sale prices in Kosai, Shizuoka from real transactions (2023Q2–2026Q1) — homes, apartments, and land, plus the current for-sale market.
- Median home price
- ¥16.0M
- Home ¥/m²
- ¥135K/m²
- 3-year change
- -1.7%
- For sale now
- 328
By home price per m², Kosai ranks #17 of 39 municipalities in Shizuoka and #554 of 1684 nationwide.
Prices by property type
| Type | Median sold price | ¥/m² (25–75% range) | 3y change | Median asking price | For sale |
|---|---|---|---|---|---|
| Homes | ¥16.0M | ¥135K/m²¥72K–¥213K | -1.7% | ¥24.8M | 127 |
| Apartments | — | — | — | ¥7.5M | 5 |
| Land | ¥11.0M | ¥41K/m²¥21K–¥60K | +3.8% | ¥12.1M | 196 |
Only segments with at least 5 transactions are shown. Apartment ¥/m² is a sold figure from the transaction records; there is no asking ¥/m² for apartments, because listings carry no unit area.
Official land prices in Shizuoka: the 2026 prefectural land price survey
- Residential land
- -0.1%
- prior year -0.1%
- Commercial land
- +0.9%
- prior year +0.7%
Year-on-year change at the 1 July 2026 valuation
The prefecture-wide rates from the 2026 prefectural land price survey, published by Japan's Ministry of Land, Infrastructure, Transport and Tourism on 2026-09-15. Official land prices are appraised values per square metre set by each prefectural governor as of 1 July, which is a different measure from the prices Kosai properties actually sold for in the table above. The survey covers 21,466 points nationwide.
These rates are for Shizuoka as a whole. For what individual properties sold for city by city, see the table above.
Source: Ministry of Land, Infrastructure, Transport and Tourism, Summary of the 2026 Prefectural Land Price Survey (PDF)
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How much does a house cost in Kosai?
The median sold price for a house (land + building) in Kosai is ¥16.0M (¥135K/m²), based on real transactions from 2023Q2–2026Q1.
How much does land cost in Kosai?
The median price of residential land in Kosai is ¥41K/m², with a median lot price of ¥11.0M (2023Q2–2026Q1).
Are property prices in Kosai rising?
Home prices per m² in Kosai have changed -1.7% compared with the previous three-year period.
Nearby municipalities
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About this data
Source: MLIT (Japan's Ministry of Land, Infrastructure, Transport and Tourism) real estate transaction records, 2023Q2–2026Q1. Only segments with at least 5 transactions are shown. For-sale figures come from active listings tracked and deduplicated by Japan Property Research.