Cost to build a home in Kosakahommachi
The land estimate uses published transactions with lot sizes comparable to your selection. Prefecture-level building data is shown separately before combining the two.
Adjust land and building assumptions
FY2025, 615 land-attached custom homes; derived from an average construction cost of ¥34.3M and average floor area of 110.2 m².
233 published transactions from Municipality, approximately 21–39 tsubo. Zoning: residential-use records preferred. Confidence: High.
Overall neighborhood reference: ¥1.2M / tsubo. It remains visible for comparison and is not automatically treated as the selected-lot estimate.
The simple floor-area-ratio ceiling for a 30-tsubo lot is about 60 tsubo. The selected model is within this simple ceiling, but road, setback, height and other rules are not included.
Ancillary costs are provisionally set at 10% of construction cost. Public transaction records are retained; selection only changes which records are used for this estimate.
Data used in the estimate
Kosakahommachi
Overall reference median for the neighborhood. The interactive estimate separately selects transactions close to the chosen lot size.
View land-price analysis →Osaka
FY2025 · 615 survey records.
View construction-cost analysis →