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Property Abroad: Swiss Taxes Explained Simple

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Anyone who owns property abroad will sooner or later ask themselves: How are foreign properties taxed in Switzerland?

Many assume that foreign properties play no role at all in Switzerland. However, this is only partially true.

Even if a property abroad is usually taxed in its respective country, it can still impact your tax burden in Switzerland. There are important rules to consider, especially regarding income, assets, and tax progression.

In this article, you will learn how taxes on foreign property work in Switzerland and what you should pay attention to.

Property Abroad: Taxes in Switzerland

As a general rule:

Property abroad is generally taxed in the country where it is located.

This means:

  • Rental income  
  • Imputed rental value (depending on the country)  
  • Property taxes  
  • Real estate capital gains tax upon sale  

are usually taxed abroad.

But:

👉 The property must still be declared in your tax return in Switzerland.

How Does Foreign Property Affect Swiss Taxes?

Even if the property is taxed abroad, it often impacts the tax burden in Switzerland.

The reason is the so-called:

Progression Clause

Although foreign property is not taxed twice, it can increase the tax rate in Switzerland.

This particularly affects:

  • Assets  
  • Income  
  • Rental income from abroad  

This can lead to an increase in the overall tax burden.

Foreign Property and Swiss Taxes: What needs to be declared?

The following information often needs to be provided in the Swiss tax return:

  • Market value of the property  
  • Mortgage debts  
  • Rental income  
  • Maintenance costs  
  • Tax value of the property  

Important:

The requirements may vary depending on the canton.

Common mistakes people make with foreign property

Common mistakes include:

Not declaring the property

Foreign properties must also be declared in Switzerland.

Forgetting rental income

Rental income can be relevant.

Incorrectly declaring mortgages

Debts must be correctly allocated.

Underestimating tax implications upon sale

Depending on the country and situation, additional tax implications may arise.

Mini-example: House abroad and Swiss taxes

You own a holiday home in Italy.

The property is taxed in Italy.

Nevertheless, you must declare it in your tax return in Switzerland.

This can lead to your assets being assessed at a higher value and your tax rate changing – even though there is no double taxation.

Here's what to check today

If you own property abroad:

✅ Check if it is correctly declared in your Swiss tax return.


✅ Gather documents regarding its value, mortgage, and income.


✅ Clarify the tax implications in your canton of residence early on.

Conclusion: Property Abroad and Swiss Taxes

Anyone who owns property abroad often has to declare it for tax purposes in Switzerland as well. Even if taxation usually takes place abroad, the property can affect the tax rate and wealth taxation in Switzerland.

If you plan early and prepare your declaration thoroughly, you can avoid surprises when filing your tax return.

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