Basel Stadt Wealth Tax Calculator
Basel-Stadt Wealth Tax Calculator 2025
Estimate your annual wealth tax in the Canton of Basel-Stadt — model progressive cantonal rates, personal allowances and your effective tax burden on net wealth.
Basel-Stadt levies wealth tax on net wealth as at 31 December using a progressive per-mille tariff. There is no separate municipal multiplier: the same cantonal tariff applies for all Basel-Stadt communes (Basel, Riehen, Bettingen).
This calculator reflects the Basel-Stadt wealth tax rates from 4.5‰ to 9.0‰ and indicative personal allowances of approx. CHF 75,000 for single taxpayers and CHF 150,000 for married couples / equivalent households for the 2025 tax year. It is intended for planning and comparison only and does not replace the official Basel-Stadt tariff tables or the cantonal calculator.
Taxable wealth = Net wealth − Personal allowance
Wealth tax = Sum over brackets (taxable slice × bracket rate)
Basel-Stadt uses different brackets for Tarif A (single) and Tarif B (married / households with dependants), but the same per-mille rates.
Interactive Calculator
Enter your net wealth (assets minus debts) and choose your filing status. The script applies the Basel-Stadt wealth tax brackets for 2025 with an approximate allowance.
Example Scenarios
Example A — Single (Tarif A), Net Wealth CHF 1,000,000
Net wealth CHF 1,000,000.
Personal allowance ≈ CHF 75,000 → taxable wealth ≈ CHF 925,000.
Applying the Basel-Stadt progression (4.5‰ / 6.7‰ / 9.0‰) on the taxable bands yields
a wealth tax in the range of roughly CHF 6,000–7,000, corresponding to an
effective rate of around 0.6–0.7 % of net wealth.
Example B — Married (Tarif B), Net Wealth CHF 3,000,000
Net wealth CHF 3,000,000.
Personal allowance ≈ CHF 150,000 → taxable wealth ≈ CHF 2,850,000.
With the wider Tarif B brackets, the progressive rates produce a Basel-Stadt wealth tax
of roughly CHF 20,000–22,000, i.e. an effective burden of about
0.7–0.8 % of net wealth.
These examples are rounded and for illustration only. For precise figures, input your own numbers into the calculator and compare with the official Basel-Stadt tariff tables.
Planning Use
- Use the effective rate as a benchmark when comparing Basel-Stadt to other cantons or potential relocation options.
- Combine this calculator with Allowances & Deductions and Valuation Rules to refine your net wealth figure (e.g. mortgage debts, pension assets, business valuations).
- Feed the output into broader Planning Strategies — residence choice, leverage and debt structuring, wealth transfer and cross-border coordination.
- For complex portfolios, business interests or international exposure, consider a tailored review via the Basel-Stadt Income Tax Service .