How Do You Change Your Tax Address in Portugal?

5 min read · Updated 11 November 2026 · Reviewed by Ícaro Couto · Ordem dos Advogados n.º 67883F

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The address on your NIF is where the Tax Authority sends letters, including passwords and tax notices. Keeping it right matters more than most people expect.

You have a Citizen Card

The address is changed on the card itself, online with Chave Móvel Digital or in person at a citizen service desk. Once the change is confirmed, the tax address follows.

You are a foreigner without a Citizen Card

Ask the Tax Authority directly, in one of three ways:

  • Portal das Finanças. In the personal data area, submit an address change request. The confirmation code may be sent by post to the new address.
  • e-Balcão. Send the request in writing, with proof of the new address attached.
  • Tax office. In person, by appointment, with an identity document and proof of address.

Menu names change from time to time, so check the portal itself.

You live abroad

You can update a foreign address in the same ways, or through your fiscal representative. If you appointed a representative, their address may be the one that receives your post: see how to change your fiscal representative.

What changes when you move to Portugal?

Changing from an address abroad to an address in Portugal makes you a resident for the Tax Authority. That affects how you are taxed, and you no longer need a fiscal representative. It is worth understanding the consequences before you make the change.

How do you prove the new address afterwards?

With the tax address certificate, free on the Portal das Finanças.

Frequently asked questions

How do I change my address with Finanças?

With a Citizen Card, change the address on the card. Without one, ask the Tax Authority on the Portal das Finanças, through the e-Balcão or at a tax office.

Can I change my tax address from abroad?

Yes, on the Portal das Finanças, through the e-Balcão or through your fiscal representative.

What proof of address is accepted?

Usually a recent document in your name with the full address, such as a utility bill, a bank statement or a rental contract.

Does moving to Portugal change my tax status?

Yes. A Portuguese tax address makes you a resident for the Tax Authority.

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