
City · Solothurn
Lostorf is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland.
The rental vacancy rate is 3.38%, 64% above the cantonal average (2.06 %). The municipal tax multiplier (Steuerfuss) is 113%, 3% below the cantonal average (117 %) — tax-favourable. Median taxable income is CHF 64'800, 5% above the Swiss median (CHF 61'929). Lostorf has 4'113 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
CHF 640'000
5.5 rooms · 142 m²
4653 Obergösgen
CHF 645'000
5.5 rooms · 146 m²
Weiermattstrasse 15, 4653 Obergösgen
3.5 rooms · 83 m²
Untere Hardmatten 9, 4653 Obergösgen
3.2 kmCHF 570'000
6.5 rooms · 187 m²
Untere Hardmatten 10, 4653 Obergösgen
CHF 499'000
3.5 rooms · 82 m²
Mühledorfstrasse 36, 5013 Niedergösgen
CHF 310'000
3.5 rooms · 67 m²
Schachenstrasse 30, 4653 Obergösgen
CHF 360'000
3 rooms · 78 m²
5013 Niedergösgen
3 apartments are currently listed to buy in Lostorf on Homematch. The selection updates throughout the day as agencies publish new listings.
The median asking price in Lostorf is around CHF 7'412 per m². For an 80 m² property that's roughly CHF 592'941 — actual prices vary widely by neighbourhood, age and condition.
Lostorf is located in the canton of Solothurn.
Lostorf has approximately 4'113 residents.
The municipal tax multiplier (Steuerfuss) in Lostorf is 113% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.