
NIE number or becoming a resident in Spain? This is the difference
In this article6
One of the first questions I get from people wanting to buy in Spain is: "Do I need a NIE number?" And almost immediately after: "Do I then also have to become a resident?"
The answer is surprisingly simple: no, they are not the same thing.
What is a NIE number?
A NIE (Número de Identidad de Extranjero) is a personal identification number for foreigners in Spain. You need it for many official matters, such as:
- buying a property;
- opening a Spanish bank account;
- applying for a mortgage;
- water and electricity contracts;
- tax matters;
- buying a car;
- taking out a phone contract.
So even if you are not a resident, you usually still need a NIE number.
What does being a resident mean?
Becoming a resident means you officially live in Spain. That brings both rights and obligations, such as taxes, health insurance and municipal registration. Whether becoming a resident is wise depends on your personal situation, so good advice matters.
When do you have to become a resident?
In many cases you become a tax resident when you spend more than 183 days per year in Spain. But other circumstances also play a role, such as where your economic and social life takes place. It's wise to discuss this in advance with a tax adviser.
Can I buy a property without being a resident?
Yes. In fact, many of my clients first buy a holiday or second home and continue to live back home. Residency is not required for that.
First a NIE, later residency
For many people the process goes roughly like this:
- You explore properties.
- Your lawyer applies for your NIE via a power of attorney.
- You buy the property.
- You first enjoy holidays or longer stays.
- Only later do you decide to move to Spain permanently and become a resident.
That's a very common order. During the purchase I guide you step by step and connect you, where needed, with reliable lawyers and gestors.
In closing
A NIE number and residency are often confused, but they are two very different things. You almost always need a NIE when buying a property. Becoming a resident is a personal choice that depends on your plans, your stay and your financial situation. In doubt? I'm happy to think along and make sure you reach the right specialist.
About the author

Klaasje van Seggelen
Klaasje van Seggelen is the estate agent behind VidaSol Properties in Torrevieja. She has lived in Spain for 16 years in total and has 12 years of experience in the Spanish property market.
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Questions about buying in Spain?
Klaasje is happy to think along with you, without obligation, from first orientation to the keys.
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