
Municipality · Basel-Landschaft
Therwil is a municipality in the district of Arlesheim in the canton of Basel-Country in Switzerland.
Fibre
The rental vacancy rate is 0.86%, 3% above the cantonal average (0.83 %). The municipal tax multiplier (Steuerfuss) is 52%, 9% below the cantonal average (57 %) — tax-favourable. Median taxable income is CHF 72'200, 17% above the Swiss median (CHF 61'929). Therwil has 10'141 residents (2025).
Source: Swiss Federal Statistical Office (BFS).
40 apartments & houses are currently listed to buy in Therwil on Homematch. The selection updates throughout the day as agencies publish new listings.
The median asking price in Therwil is around CHF 7'887 per m². For an 80 m² property that's roughly CHF 630'946 — actual prices vary widely by neighbourhood, age and condition.
Therwil is located in the canton of Basel-Landschaft.
Therwil has approximately 10'141 residents.
The municipal tax multiplier (Steuerfuss) in Therwil is 52% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.
7 rooms · 120 m²
Therwilerstrasse 66, 4104 Oberwil
1.2 kmCHF 745'000
3.5 rooms · 78 m²
Therwilerstrasse 51, 4104 Oberwil
CHF 1'050'000
3.5 rooms · 131 m²
Bahnhofstrasse 21B, 4104 Oberwil BL
CHF 1'355'000
4.5 rooms · 118 m²
4104 Oberwil BL
CHF 1'010'000
5 rooms · 92 m²
Oberwil BL, 4104 Oberwil BL
CHF 795'000
3.5 rooms · 81 m²
Oberwil BL, 4104 Oberwil BL

CHF 1'590'000
3.5 rooms · 123 m²
4104 Oberwil BL