
Municipality · St. Gallen
Altstätten is a small historic rural town and a municipality in the district Rhine Valley, in the canton of St. Gallen in Switzerland. It is located with some secure distance of about 5 kilometres (3.1 mi) west from the Alpine Rhine in the flat and wide St. Gall Rhine Valley, which also designates the border with Austria. It further gives access to the higher situated Appenzell to the west.
Fibre
The rental vacancy rate is 1.06%, 23% below the cantonal average (1.37 %). The municipal tax multiplier (Steuerfuss) is 107%, 5% below the cantonal average (113 %) — tax-favourable. Median taxable income is CHF 53'600, 13% below the Swiss median (CHF 61'929). Altstätten has 12'788 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
12 apartments are currently listed to buy in Altstätten on Homematch. The selection updates throughout the day as agencies publish new listings.
The median asking price in Altstätten is around CHF 6'484 per m². For an 80 m² property that's roughly CHF 518'696 — actual prices vary widely by neighbourhood, age and condition.
Altstätten is located in the canton of St. Gallen.
Altstätten has approximately 12'788 residents.
The municipal tax multiplier (Steuerfuss) in Altstätten is 107% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.
CHF 760'000
4.5 rooms · 118 m²
Hinterburgstrasse 28, 9462 Montlingen
CHF 680'000
3.5 rooms · 88 m²
Gmeindstrasse 42, 9462 Montlingen

CHF 550'000
4.5 rooms · 107 m²
9445 Rebstein