How long can a foreign buyer stay in Spain?

As an EU citizen you have particular rights in Spain — but there are still limits on how long you can stay there without registering formally. Non-EU citizens are subject to different, generally stricter rules.

EU citizens are not subject to the 90/180-day rule

The well-known "90/180-day rule" applies to third-country nationals (for example, Britons after Brexit, Americans, and so on) and means they may stay a maximum of 90 days within any 180-day period in the Schengen area. As an EU/EEA citizen you are NOT subject to this rule — you can in principle stay in Spain for as long as you like without a visa.

But: registration is required after 3 months

Even though you are not subject to the 90/180 rule, EU free-movement rules impose a practical limit: if you plan to live in Spain for more than 3 consecutive months, you are required to register as a resident and get a "Certificado de Registro de Ciudadano de la Unión Europea" (the green EU registration certificate, often called "residencia").

Requirements to register as a resident

To be approved, you need to demonstrate, as an EU citizen, one of the following: that you are employed or self-employed in Spain, that you have sufficient financial means to support yourself plus health insurance, or that you are a student with insurance and sufficient means.

What does "tax resident" mean?

Independent of your residence registration, you automatically become a tax resident in Spain if you spend more than 183 days there within a calendar year. That means you are, as a starting point, liable for Spanish income tax on your worldwide income — combined with the double taxation agreement between your home country and Spain to avoid being taxed twice.

What happens if you do not register?

It is technically an administrative offence not to register after 3 months of residence, but in practice this is rarely actively enforced for EU citizens. It is, however, strongly recommended to register correctly, as it markedly eases access to the healthcare system, banking and other practical services.

In summary: As an EU citizen you can stay in Spain for as long as you like. If you plan to stay more than 3 months, you should register as a resident. If you stay more than 183 days a year, you become a tax resident — regardless of whether you have formally registered or not.

The difference between "staying" and "residing"

It is important to distinguish between physical presence (how many days you are actually in the country) and formal residence registration. You can own a holiday home in Spain and visit it regularly without being a registered resident, as long as you do not exceed the relevant limits for continuous stay and remain a tax resident at home (typically by spending fewer than 183 days a year in Spain).

What about benefits from home if I move?

If you move permanently and deregister at home, it can affect your entitlement to certain public benefits. State pensions and certain pension payments can typically continue, but unemployment benefits and other residence-based benefits usually stop. Always contact the relevant authorities at home before a permanent move.

The green EU registration certificate in practice

The registration certificate (often informally called "residencia" or the older "tarjeta verde") is issued by the local Oficina de Extranjería or police station once you have presented your passport, NIE number, proof of income/means and health insurance. The process typically takes a few weeks, and the certificate is valid indefinitely, but should be updated if your contact details change.

Splitting time between Spain and home

Many people live a "split existence" with periodic stays in both countries — for example 6 months in Spain over winter and the rest at home. This is fully legal, but requires care in keeping track of your total days in each country to avoid unexpected tax consequences, particularly if you are approaching the threshold for tax residence in either country.

Frequently asked questions about residence rules in Spain

Does the 90/180-day rule apply to EU citizens?

No. The 90/180 rule only applies to third-country nationals without EU citizenship. As an EU citizen you have the right to free movement and can stay in Spain without this restriction.

What happens if I stay in Spain without registering after 3 months?

It is technically an administrative offence, but rarely actively enforced for EU citizens. You do, however, risk practical difficulties with banking, healthcare and other administrative matters without correct registration.

Do I automatically become liable for Spanish tax if I have a holiday home?

No, it is the number of days you actually spend in the country that determines tax residence — not whether you own a property. You can own a Spanish holiday home and remain fully tax liable at home, as long as you stay under 183 days a year in Spain.