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Canton Schaffhausen · tax year 2025

Your Schaffhausen tax return, 2025

What Schaffhausen charges on your salary, what each of its 26 communes costs, and where its limits differ from federal law.

Filing app
Steuern25
Deadline
31 March 2026Ask online at steuern.sh.ch before 31 March 2026 to get up to 30 November 2026; anything longer is granted only in exceptional cases by your local tax office.
Communes
26Municipal rates from 59% to 117%
Build my guide freeWhat your commune costs

Your commune moves the bill more than you think

The canton levies its tax, then each commune adds its own rate on the same base. These bills come from the federal tax administration's 2025 calculator.

Household
Children
Gross salary

Schaffhausen · capital, 86%

CHF 11’907

Federal CHF 1’705 · Canton CHF 4’856 · Commune and personal tax CHF 5’346

Buchberg · lowest rate, 59%

CHF 10’248

Federal CHF 1’705 · Canton CHF 4’856 · Commune and personal tax CHF 3’687 · CHF 1’659 less than Schaffhausen

Oberhallau · highest rate, 117%

CHF 13’813

Federal CHF 1’705 · Canton CHF 4’856 · Commune and personal tax CHF 7’252 · CHF 1’906 more than Schaffhausen

  • Federal
  • Canton
  • Commune and personal tax
Estimated income tax in each commune

Hover or tap a commune.

Tap a commune to see its bill.

All 26 communes by municipal rate

Each dot is a commune. Schaffhausen is marked.

60%70%80%90%100%110%Schaffhausen 86%

Lowest: Buchberg 59%Highest: Oberhallau 117%

Income tax figures: federal tax administration calculator, tax year 2025, retrieved 2026-09-16. One earner aged 35, employment income, no wealth, no church tax, and the standard deductions the calculator applies.

Bills for Schaffhausen, Buchberg and Oberhallau are the calculator's own. Every other commune is scaled from the capital's base tax by that commune's rate, which matched the calculator to within CHF 40 where we checked.

Municipal rates: federal tax administration, tax year 2025. Boundaries: swisstopo.

Where Schaffhausen is not the federal number

Your return is assessed twice, once for cantonal tax and once for federal tax. The same receipt can be worth more on one than on the other.

  • Insurance premiums, single

    SchaffhausenCHF 3’750
    FederalCHF 1’800

    Plus CHF 1’000 per child (federal CHF 700)

    Higher in Schaffhausen

  • Insurance premiums, couple

    SchaffhausenCHF 7’500
    FederalCHF 3’700

    Plus CHF 1’000 per child (federal CHF 700)

    Higher in Schaffhausen

  • Third-party childcare

    SchaffhausenCHF 9’400
    FederalCHF 25’800

    Per child under 14. Meals and board do not count.

    Lower in Schaffhausen

  • Commuting

    SchaffhausenCHF 6’000
    FederalCHF 3’300
    Higher in Schaffhausen

  • Second-earner deduction

    SchaffhausenCHF 800
    Federalup to CHF 14’100
    Lower in Schaffhausen

Deduction limits: Kanton Schaffhausen: Wegleitung zur Steuererklärung 2025, Ziffer 14 (p.27 to 28), and Hilfsblatt Formular 107/25; statute Art. 35 Abs. 1 lit. g StG (SHR 641.100). sh.ch

Deduction limits: Kanton Schaffhausen: Wegleitung zur Steuererklärung 2025, Ziffer 15.9 (p.31); statute Art. 35 Abs. 1 lit. n StG. sh.ch

Deduction limits: Kanton Schaffhausen: Wegleitung zur Steuererklärung 2025, B 2.4 (p.23); statute Art. 28 Abs. 1 lit. a StG. sh.ch

Deduction limits: Kanton Schaffhausen: Wegleitung zur Steuererklärung 2025, Ziffer 16 (p.32); statute Art. 35 Abs. 1 lit. h StG. sh.ch

Deadline: Kanton Schaffhausen: Wegleitung zur Steuererklärung 2025, 'Frist zur Abgabe der Steuererklärung' (p.7); extension ceiling from the Steuerverwaltung's eFristerstreckung page. Checked 2026-09-20

Let Schaffhausen's limits apply themselves

Upload your documents once. PaperTax applies Schaffhausen's own limits and tells you what to type into each field of Steuern25. You still submit it yourself.

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