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Wappen Kanton SchaffhausenHave your tax return for the Canton of Schaffhausen completed

We know the cantonal deductions, deadlines and special features of the canton of Schaffhausen – including the cross-border commuter rules with Germany – and check your tax return in full, at a fixed price from CHF 35.–.

  • Personal expert review of your documents
  • All cantonal deductions checked
  • Deadline extension included free of charge
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The short answer

In the canton of Schaffhausen, the tax return for the 2025 tax year must be submitted by 31 March 2026; a deadline extension is possible online until 30 November at the latest. We prepare your tax return at a fixed price per tax year: CHF 35.– for apprentices and students, CHF 99.– for individuals, CHF 149.– for married couples and families.

Cantonal knowledge

Tax returns in the canton of Schaffhausen: what you should know

The Schaffhausen tax act applies equally throughout the canton – but how much you pay in the end depends heavily on your municipality and on the deductions you claim.

Updated on 3 September 2026 · Tax year 2025

Professionally reviewed by FINWIWO AG on 3 September 2026.

Specialist discussing tax documents with a client

26 municipalities, one tax act – but big differences

The canton of Schaffhausen has 26 municipalities. The simple tax is derived from the taxable income; it is multiplied by the cantonal tax multiplier (79 % in the 2025 tax year) and the tax multiplier of your municipality of residence, plus church tax depending on your denomination. In 2025 the communal tax multipliers range from 59 % (Buchberg) to 117 % (Beggingen and Oberhallau) – almost double.

For your tax return, this changes nothing about how the details are recorded: your municipality of residence is decisive, and if you move within the canton, generally the one at the end of the year. We clarify such points before processing.

«Steuern25» and eFiling – electronic submission

The canton of Schaffhausen provides its own software for each tax year – for 2025 it is called «Steuern25», available via steuern.sh.ch. With the integrated eFiling, the tax return can be transmitted in encrypted form and without postal dispatch; the eFiling code is printed on your tax return, and supporting documents can be photographed with the app.

The software is an option for anyone who wants to complete the return themselves. If you want to be sure that every item is recorded correctly and completely, we take care of it for you: we enter your details, discuss the draft with you and prepare the submission.

Typical mistakes that cost Schaffhausen taxpayers money

In practice we keep seeing the same issues: cross-border commuter situations involving Germany are declared incorrectly or the certificate of residence is missing. For commuting by private vehicle, the proof of necessity is missing, so the travel expense deduction is lost entirely. The insurance deduction of up to CHF 7'500 is not used in full.

The deadline extension is also often requested too late – the request must be submitted before the deadline expires. A specialist checks every item individually and points out missing documents to you before the return is submitted.

Get more out of it

Tax deductions in the canton of Schaffhausen: using every option

Knowing all permitted deductions and claiming them correctly noticeably reduces your tax burden. We systematically check every deduction item for your situation. The following maximum amounts apply to the 2025 tax year (cantonal and communal taxes); the canton's official documents are authoritative.

  1. 01

    Professional expenses & commuter deduction

    Travel expenses between home and work are deductible in the canton of Schaffhausen up to CHF 6'000 per year (federal: CHF 3'300), plus meals away from home within the applicable lump sums. If you use a private vehicle, the necessity must be proven.

  2. 02

    Insurance premiums & savings interest

    Up to CHF 7'500 is deductible for married persons or CHF 3'750 for other taxpayers (2025 tax year) – one of the higher figures in Switzerland.

  3. 03

    Pillar 3a & pension provision

    Contributions to restricted pension provision are deductible up to CHF 7'258 (2025 tax year, employees with a pension fund); pension fund buy-ins come on top. We assign the certificates to the correct item and check whether the permitted amount has been used in full.

  4. 04

    Child deductions & third-party childcare

    Child deduction of CHF 8'400 per child who is a minor or in education, as well as documented third-party childcare costs of up to CHF 9'400 per child (2025 tax year). One of the conditions is that both parents are gainfully employed – we check the details.

  5. 05

    Continuing education costs

    Job-related education and training: in the canton of Schaffhausen up to CHF 12'000, at the federal level up to CHF 13'000 per person and year (2025 tax year). This includes course fees, teaching materials, examination fees and travel costs to the course venue.

    Official source(opens in a new tab on estv2.admin.ch)
  6. 06

    Donations & charitable contributions

    Voluntary contributions to tax-exempt charitable institutions based in Switzerland as well as contributions to political parties, each within the applicable limits.

There are also further items such as debt interest, maintenance payments, property costs or asset management costs. Which deductions can be substantiated in your situation is something we clarify before processing – free of charge and without obligation.

Guidelines and forms of the canton(opens in a new tab on estv2.admin.ch)

Keeping track of dates

Deadlines and submission in the canton of Schaffhausen

The date on your personal tax documents is always authoritative. The following overview refers to the 2025 tax year.

Deadlines at a glance

Ordinary filing deadline
31 March 2026 for the 2025 tax year
Deadline extension
Online (eFristerstreckung) until 30 November at the latest; the request must be submitted before the deadline expires
Electronic tax return
«Steuern25» software with integrated eFiling
If late
After a reminder, a disciplinary fine and a discretionary assessment are possible

Missed the deadline? No need to panic.

If you need more time, request the extension online via the eFristerstreckung of the cantonal tax administration – with your PID number and date of birth, until 30 November at the latest. Important: the request must be submitted before the deadline expires; longer deadlines are only possible in exceptional cases through the local tax administration.

If the deadline has already passed, a reminder usually follows first. In that case, get in touch early – we clarify with you what is still possible and take care of the application.

With us, the deadline extension is included in the package price free of charge.

Secure the deadlines – request now

Withholding tax

Withholding tax in the canton of Schaffhausen

If your salary is taxed directly at source, an ordinary tax return is not automatically necessary – but in certain cases it is mandatory or possible on a voluntary basis. Because of its border location, withholding tax plays a particularly important role in Schaffhausen.

01

Who is subject to withholding tax?

Generally foreign employees without a C settlement permit who are resident or staying in the canton, as well as cross-border commuters. For German cross-border commuters with a certificate of residence, a withholding tax capped at 4.5 per cent applies. The withholding tax division of the cantonal tax administration is responsible.

02

NOV – subsequent ordinary assessment

From a gross annual income of more than CHF 120'000, the subsequent ordinary assessment (NOV) is mandatory – likewise in the case of additional income or assets not subject to withholding tax. Below that, it can be requested voluntarily, by 31 March of the following year; the request cannot be withdrawn.

03

How we support you

We check the tariff code, marital status, cross-border commuter status, other income and possible deductions and assess whether an NOV is worthwhile in your case. We then submit the application on time and prepare the complete tax return.

This information is for guidance only and does not replace an individual assessment. We check your specific situation before processing.

Have your withholding tax checked

From the canton of Schaffhausen

Typical situations in the canton of Schaffhausen

Cross-border commuters: living in Schaffhausen, working in Germany

If you live in the canton of Schaffhausen and work in Germany as a cross-border commuter, your salary is, under the double taxation agreement, generally taxed at your place of residence in Switzerland; Germany may levy a limited tax, which is credited. The details depend on the individual case – we clarify your situation before processing.

Cross-border commuters: living in Germany, working in Schaffhausen

The reverse applies too: with a certificate of residence, a withholding tax capped at 4.5 per cent is levied in Switzerland, and the salary is taxed in Germany. Anyone who, for work-related reasons, does not return to their place of residence on more than 60 days per year loses cross-border commuter status – the ordinary withholding tax rates then apply.

Taxes cut – noticeable in 2025

The canton lowered its tax multiplier for 2025 from 81 to 79 per cent; the City of Schaffhausen went from 90 to 86 per cent, and Neuhausen am Rheinfall even from 93 to 83 per cent. Anyone who uses all deductions benefits twice over.

Commuters towards Zurich

The cheapest Schaffhausen municipalities – Buchberg, Rüdlingen, Stetten – lie in the southern tip towards Zurich, so correspondingly many people commute. The travel expense deduction is capped at the cantonal level at CHF 6'000 per year (2025 tax year); for a private vehicle, the necessity must be proven.

Property and imputed rental value in the canton of Schaffhausen

If you own residential property in the canton of Schaffhausen, you pay tax on the imputed rental value as income and can in return deduct mortgage interest, maintenance and administration costs. The key is a clean separation: repairs and replacements preserve the value and are deductible, an extension increases it and is not.

Whether at the Rhine Falls, in the Klettgau or in Stein am Rhein: we compile the maintenance costs carefully – on a lump-sum or actual basis, depending on which is more favourable for your tax year.

If your property is located in another canton or in nearby Germany, a tax allocation is made. We record all properties in full so that the allocation remains traceable.

  • Imputed rental value and property details recorded correctly
  • Mortgage interest and list of debts checked
  • Maintenance: value-preserving separated from value-enhancing
  • Lump-sum or actual deduction compared
  • Properties outside the canton and abroad taken into account

Additional service: CHF 65.– per property.

Communal comparison

Tax multipliers of the municipalities in the canton of Schaffhausen

The tax burden results from the simple tax multiplied by the cantonal tax multiplier (79 % in the 2025 tax year) and the tax multiplier of your municipality of residence; church tax is added depending on your denomination. The following selection shows some of the larger and some particularly low-tax municipalities.

In 2025 the range runs from 59 % (Buchberg) to 117 % (Beggingen and Oberhallau) – almost double within a small canton. This makes a tax return that fully exploits all permitted deductions all the more important.

Tax multipliers 2025 (canton of Schaffhausen)(opens in a new tab on sh.ch)

Your preparation

Documents you should have ready

Depending on your situation, further documents may be needed. After your request we tell you exactly what is still missing.

Simple process

Your finished tax return in 4 clear steps

Request, discuss, approve – we take care of the rest for you.

  1. 01

    approx. 60 seconds

    Submit a request

    Fill in a short form with your contact details and canton of residence – free of charge and without obligation.

  2. 02

    within 24 hours

    Meet your advisor

    Your personal tax specialist gets in touch – at your home, in the office or by video call.

  3. 03

    upload or post

    Go through your documents

    Together you go through the checklist; anything missing can easily be sent later.

  4. 04

    after your approval

    Finished tax return

    We prepare the tax return, you approve it – then we file it for you.

Request now, free of charge

Transparent prices

Fair fixed prices – also in the Canton of Schaffhausen

Fixed price per tax year. Payment is made after completion, within 14 days.*

  • Apprentices & students

    CHF 35.–

    Up to CHF 30'000 gross salary

    Per tax return

    • Tax return included
    • Securities included
    • Deadline extension included
    • Advice and processing
    • Filing with the tax office
    • Available in all cantons
    Request now
  • Most popular

    Individuals

    CHF 99.–

    For employees & self-employed

    Per tax return

    • Tax return included
    • Securities included
    • Deadline extension included
    • Additional income included
    • Further education costs included
    • Filing with the tax office
    • Personal tax specialist
    • Advice by phone
    Request now

  • Married couples

    CHF 149.–

    Joint assessment

    Per tax return

    • Tax return included
    • Securities included
    • Deadline extension included
    • Joint assessment
    • Child deductions optimised
    • Third-party childcare costs
    • Filing with the tax office
    • Personal tax specialist
    Request now
  • Real estateCHF 65.– per property
  • InheritanceCHF 65.–
  • Express 72hCHF 100.–

See all prices and additional services

* Regular clients can pay online in advance.

Further reading

Related guide articles

In-depth articles on the topics addressed on this page.

Filing deadlines in all cantonsWhen which tax return is due – an overview of all cantons.Professional expenses and commuter deductionClaiming travel expenses, meals and other professional expenses correctly.Withholding tax and expatsWhen a subsequent ordinary assessment is worthwhile.Imputed rental value and maintenanceTaxing home ownership and properly separating maintenance costs.

Frequently asked questions

Frequently asked questions – Canton of Schaffhausen

The key answers about your tax return in this canton.

Transparency

Official information

The information provided by the Canton of Schaffhausen is always authoritative. Checked/updated: September 2026.

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Other cantons

We work in all 26 cantons – choose your canton for the relevant information.