Tax deadlines in Zurich
When must tax returns be filed in the Canton of Zurich? Discover all key information here, including deadlines, how to request extensions, and what happens if you submit late.
Stay on top of tax deadlines with professional guidance and reliable support.
In the Canton of Zurich, our tax service takes care of your return from start to finish — filing on time, arranging extensions, checking documents, and maximizing deductions. Easy, safe, and dependable.
Ordinary tax deadlines
In the Canton of Zurich, the following tax filing deadlines apply:
- Private individuals: by March 31
- Companies: by September 30
The deadlines refer to the tax year completed in the previous year.
Request deadline extension & maximum deadlines
If you cannot submit your tax return by the regular deadline in the Canton of Zurich, you have the option to request a deadline extension. The application can be submitted online or in writing – applicable for both private individuals and companies. The maximum extension applies until:
- Private individuals: November 30
- Companies: November 30
Note: Depending on the canton, fees may be charged for deadline extensions.
Good to know: When ordering through Taxea.ch, the deadline extension is already included. You don’t need to do anything – we take care of it for you.
What happens if you file your tax return late?
If you miss the deadline and have not requested an extension, the following consequences may occur:
- You will receive a reminder from the tax office
- Reminder fees or fines may be imposed
- In some cases, a discretionary assessment may be carried out
Avoid unnecessary costs and stress by submitting on time or using our support.
Different deadlines for special cases
Depending on your situation, different deadlines and specific tax rules may apply. For example, this may be the case in situations such as:
- Moving to Switzerland from abroad
- Moving from Switzerland to another country
- Death during the tax year
- Starting or ending self-employment
- Establishing, restructuring, or liquidating a company
In such cases, it is advisable to clarify with the relevant tax authority directly or seek support from a tax specialist to ensure compliance with deadlines and obligations.
Frequently asked questions about tax deadlines in Zurich
Below you will find answers to frequently asked questions about tax deadlines in the Canton of Zurich.
What are the deadlines for filing a tax return in the Canton of Zurich?
Private individuals in the Canton of Zurich must file their tax return by March 31, while companies have until September 30. You can request a deadline extension in both cases if needed.
How do I request an extension of the deadline?
You can request the extension online via the Canton of Zurich tax office or in writing. If you use Taxea.ch, the deadline is automatically extended on your behalf.
Do I have to file a tax return in Zurich every year?
Yes, if you are subject to tax in the Canton of Zurich, you must file a tax return annually — regardless of your income level.
What happens if I file my tax return late or not at all?
The tax office can send reminders, impose reminder fees or fines and, in certain cases, carry out a discretionary assessment.
Can I also apply for an extension of the deadline if I move away?
Yes, an extension of the deadline is always possible, even if you move away. However, the tax office must be informed in due time.
