Oshimacho, Saikai City: property prices and land values

大島町(西海市)

Data last updated: November 2026 (Land Price Publication 2026, Prefectural Survey 2026, transactions through Q2 2026)

Avg. residential land price
¥9,495/m²
≈ $6/sq ft · 2 sites
#6 of 13 neighborhoods
Avg. commercial land price
¥23K/m²
≈ $13/sq ft · 1 sites
1-year change
−1.7%
Residential −1.2% · commercial −2.6%
5 years / 10 years
−9.1% / −14.8%
Same sites, chained
Pre-owned condos per m²
No data
Pre-owned houses (median)
No data
Real Estate Zukan Index
No data
Total real estate value Estimate
Coming soon

Map official land price survey sites

Tap anywhere on the map to get an estimate for that spot. Map: GSI Tiles.

Price trend and forecast average chained from the same survey sites

¥0/m²¥10K/m²¥20K/m²¥30K/m²2006201020142018202220262036
ResidentialCommercialResidential forecast
Avg. residential land priceNow1 year3 years5 years10 years
Forecast Forecast
−1.3% a year
¥9,495/m²¥9,370/m²¥9,125/m²¥8,887/m²¥8,317/m²

Forecasts are projections, not guarantees. 10-year range: ¥6,820/m²–¥9,814/m²

Oshimacho, Saikai City compared with larger areas

AreaAvg. residential≈ USD/sq ftOshimacho, Saikai City is1 year5 yearsCondos per m²Index
Oshimacho, Saikai City ¥9,495/m²$6/sq ft −1.7%−9.1% ——
Saikai City ¥8,331/m²$5/sq ft 1.1x−0.9%−7.1% —23
Nagasaki ¥33K/m²$20/sq ft 0.28x+0.6%+1.2% ¥273K/m²46
Japan ¥120K/m²$70/sq ft 0.08x+2.1%+8.0% ¥493K/m²—

Official land price survey sites highest first · 3 sites

LocationUsePrice per m²≈ USD/sq ft1 yearStation
長崎県 西海市大島町字間瀬先1827番外
Land Price Publication 2026
Commercial¥23K/m²$13/sq ft −2.6%大島郵便局前停
長崎県 西海市大島町字大小島1939番5
Prefectural Survey 2026
Residential¥11K/m²$6/sq ft −0.9%中規模一般住宅が建ち並ぶ住宅地域
長崎県 西海市大島町字蛤2960番1
Land Price Publication 2026
Residential¥8,090/m²$5/sq ft −1.6%蛤停
200 m

Transaction prices MLIT Real Estate Information Library · last 2 years · 7 sales

Condos per m² (median)
—
Condo price (median)
—
Land & building (median)
—
Land per m² (median)
—

Sales in the loaded period: Land 7 · Forest 6 · Land & building 5

DistrictPeriodTypePriceAreaBuiltPer m²
OshimachoQ1 2026Forest ¥100K260 m²——
OshimachoQ1 2026Forest ¥100K440 m²——
OshimachoQ4 2025Land ¥500K330 m²—¥1,500/m²
OshimachoQ4 2025Land ¥400K210 m²—¥1,900/m²
OshimachoQ4 2025Forest ¥720K1,800 m²——
OshimachoQ3 2025Land & building ¥20.0M300 m²2012—
OshimachoQ3 2025Land & building ¥2.5M105 m²1959—
OshimachoQ4 2024Land ¥1.5M160 m²—¥9,300/m²
OshimachoQ4 2024Land & building ¥9.8M320 m²2003—
OshimachoQ4 2024Land & building ¥9.5M200 m²1970—
OshimachoQ2 2024Land ¥3.0M140 m²—¥22K/m²
OshimachoQ2 2024Forest ¥100K155 m²——
OshimachoQ2 2024Forest ¥100K420 m²——
OshimachoQ2 2024Forest ¥100K590 m²——
OshimachoQ2 2024Land ¥3.0M120 m²—¥25K/m²
OshimachoQ2 2024Land ¥4.0M140 m²—¥29K/m²
OshimachoQ1 2024Land & building ¥7.5M460 m²1955—
OshimachoQ1 2024Land ¥1.6M240 m²—¥6,900/m²

Nearby neighborhoods

FAQ

What is the average land price in Oshimacho, Saikai City?

The average price of residential land in Oshimacho, Saikai City is ¥9,495 per m² (about ¥31,388 per tsubo), based on 2 sites in the official land price surveys (2026).

Are land prices in Oshimacho, Saikai City going up?

Land prices in Oshimacho, Saikai City have fallen by -1.7% on average over the past year. Over five years the change is -9.1%.

What is the land price forecast for Oshimacho, Saikai City?

The Fudosan Zukan model projects residential land prices to change by -1.3% a year, reaching about ¥8,317 per m² in 10 years (range ¥6,820–¥9,814). 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 ¥157.9 = $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.