
Municipality · Basel-Landschaft
Therwil is a municipality in the district of Arlesheim in the canton of Basel-Country in Switzerland.
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).
CHF 3'600'000
7 rooms · 120 m²
Therwilerstrasse 66, 4104 Oberwil

CHF 1'790'000
4.5 rooms · 102 m²
Vorderbergstrasse 26, 4104 Oberwil BL
CHF 1'660'000
6 rooms · 255 m²
Oberwil BL, 4104 Oberwil BL
CHF 1'890'000
5.5 rooms · 184 m²
4104 Oberwil BL (Oberwil (BL))
1.7 kmCHF 1'750'000
8 rooms · 168 m²
Therwilerstrasse 6, 4104 Oberwil BL
1.7 kmCHF 695'000
5.5 rooms · 135 m²
In der Rüti, 4104 Oberwil
1.7 kmCHF 680'000
7 rooms · 238 m²
Schulstrasse 18, 4104 Oberwil BL
11 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 7'837 per m². For an 80 m² property that's roughly CHF 626'995 — 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.