Joint Property Ownership in Spain for Expats: Inheritance, Tax, and What Happens When One of You Dies

Buying a home together in Spain is one of the most significant financial decisions an expat couple can make. The process feels familiar enough — find a property, hire a lawyer, sign at the notary — and most couples walk away feeling the job is done.

It rarely is.

What very few expat buyers ask their lawyer on that day is: What happens to this property if one of us dies? Who inherits the other partner's share? Does the survivor automatically keep the home? How much inheritance tax will they owe? Can they be forced to sell by other heirs?

The answers depend on your nationality, your marital status, how the deed is drafted, and whether you have a Spanish will. For most expat couples, at least some of those answers will be surprising — and not always pleasant. This guide cuts through the complexity so you understand exactly where you stand before or after you buy.

How Joint Ownership Works in Spanish Law: Pro Indiviso

When two or more people buy a property together in Spain without a special legal structure, they hold it under the regime of pro indiviso — co-ownership by undivided shares, governed by Articles 392–406 of the Spanish Civil Code (Código Civil).

In practice, this means:

Each owner holds a defined percentage of the property (typically 50/50, but any split is possible).
Neither owner has exclusive rights over any specific part of the property — you each own a fraction of the whole, not a physical portion.
Major decisions (selling, significant renovation, mortgaging) require the consent of all co-owners.
Any co-owner can, at any time, request the judicial division (acción de división) of the asset. For indivisible assets like a home, this usually means a forced sale.

That last point matters enormously in an inheritance context. If the deceased's share passes to heirs who are not the surviving partner — adult children from a previous relationship, parents, siblings — those heirs become co-owners alongside the survivor. They can legally demand a sale. The surviving partner has no automatic right to buy them out, and no veto over the process.

Pro indiviso is simple and common. It is also the ownership structure that creates the most painful surprises.

The Matrimonial Property Regime: Gananciales vs Separación de Bienes

If you are married, the matrimonial property regime in force between you determines whether assets acquired during the marriage belong to one spouse, the other, or both jointly — and this has a direct impact on what actually forms part of the estate at death.

Gananciales (community of gains) is the default regime under Spanish law. Under gananciales, assets acquired during the marriage using marital funds belong equally to both spouses, regardless of whose name is on the deed. When one spouse dies, only their half of the communal estate enters the inheritance. The surviving spouse keeps their own half outright, before any inheritance distribution takes place.

Separación de bienes (separation of assets) means each spouse owns what they individually acquire, regardless of marriage. Assets owned in common are held as pro indiviso with the exact percentages stated in the deed. This is the default regime in Catalonia, the Balearic Islands, and several other autonomous communities.

Which regime applies to you as an expat? For most international couples, the answer depends on your habitual residence at the time of marriage and, since 2019, the rules introduced by EU Regulation 2016/1103 (see below). If you married in Germany, the Netherlands, or France, your matrimonial regime is likely governed by your home country's law — which may be entirely different from either Spanish regime.

This is not a technicality. The matrimonial regime determines how much of the property is even available to inherit. Getting this wrong means the estate calculation — and the inheritance tax bill — may be computed on the wrong figures.

EU Regulation 2016/1103 on Matrimonial Property Regimes

Since 29 January 2019, EU Regulation 2016/1103 has applied in 18 EU member states (Spain included, but notably not Denmark, Poland, or Hungary). This regulation establishes unified private international law rules for determining which country's matrimonial property law governs an international couple's assets.

Key rules for expats:

First habitual residence after marriage is the primary connecting factor. If you married and first lived together in France, French matrimonial property law typically governs your Spanish property.
Couples can choose the law of the country of one spouse's nationality or habitual residence to govern their matrimonial property regime, via a notarised agreement.
The chosen or applicable law determines both how assets are owned during the marriage and how they are distributed on death — before inheritance law even enters the picture.

In practice, this means a British–Dutch couple who married in the Netherlands and later bought a villa in Andalusia may find that Dutch matrimonial property law applies to that villa, even though Spanish inheritance law (or EU Succession Regulation 650/2012) governs who inherits.

The interaction between Regulation 2016/1103, Regulation 650/2012, and Spanish domestic law is one of the most technically complex areas of cross-border estate planning. It is the primary reason expat couples in Spain need specialist legal advice — not a generic Spanish property lawyer, but one who understands private international law. For a broader view of estate planning for expats in Spain, see our dedicated guide.

What Happens to Joint Property When One Owner Dies?

When a co-owner of Spanish property dies, the process unfolds in stages:

Liquidation of the matrimonial regime (if married under gananciales or a community regime): the communal assets are split, and the surviving spouse receives their half first. Only after this does the inheritance estate crystallise.
The deceased's share enters the estate. Under pro indiviso, this is the percentage stated in the deed — typically 50%. That 50% is what gets distributed to the heirs.
Heirs are determined by the applicable succession law (which, for EU nationals under Regulation 650/2012, is usually the law of the deceased's habitual residence unless they elected their home country's law in a will). See our guide to making a will in Spain for the mechanics.
The surviving partner does not automatically inherit. Unless the deceased left a will naming the survivor as heir — and the applicable succession law allows this without triggering forced heirship claims — the share may pass to children, parents, or other relatives. The surviving partner may suddenly find themselves co-owning their home with people they barely know.
The new co-owners can demand division. As noted above, heirs who become co-owners under pro indiviso can trigger a forced sale. Courts will not block this merely because the survivor lives there.

This is not a theoretical risk. It is the most common inheritance dispute experienced by expat couples in Spain who did not plan ahead.

Usufruct: Giving Your Partner the Right to Stay

Spanish law — and most European civil law systems — recognises a concept that common-law countries do not: usufruct (usufructo). Usufruct is the right to use and enjoy an asset (including living in a property and collecting any rental income from it) without being the owner.

A will can grant the surviving partner a usufruct over the deceased's share of the property. This means:

The survivor can continue living in the home for the rest of their life (or for a fixed period, depending on the will).
The underlying ownership (nuda propiedad) passes to the heirs — typically children.
The heirs cannot force the survivor out or demand a sale as long as the usufruct exists.
On the survivor's death, the usufruct extinguishes and the heirs receive full ownership.

Usufruct is an elegant solution for blended families, unmarried couples, and situations where the deceased wants to protect the survivor without permanently disinheriting children from a prior relationship.

Important: Usufruct must be granted explicitly in a valid will. It does not arise automatically. And the applicable succession law must permit it — which is why knowing your habitual residence and whether you have made an EU succession law election matters enormously.

Tax Implications: Succession Tax on the Inherited Share

When a person inherits a share of Spanish property, they are liable for Spanish Inheritance and Gift Tax (Impuesto sobre Sucesiones y Donaciones, ISD), governed by Ley 29/1987. In recent years, the European Court of Justice forced Spain to apply regional tax rules equally to EU and non-EU non-residents, which significantly changed the landscape. See our detailed guide to succession tax in Spain for the current regional rules.

Key points for joint property:

The taxable base is the value of the share inherited, not the whole property. If you inherit 50% of a property worth €400,000, the taxable base starts at €200,000, then adjusted for any usufruct valuation, mortgages, or other liabilities.
Regional rates vary enormously. Madrid and Andalusia have near-zero effective tax for close relatives. Valencia, Murcia, and others can be significantly higher. Non-residents are taxed at the regional rates of the autonomous community where the property is located.
Usufruct reduces the heir's taxable base. Because the heir receives the property encumbered by the survivor's right of use, the value taxed at inheritance is reduced by a formula based on the survivor's age. The survivor pays tax on the usufruct value; the heir pays on the bare ownership value. This can produce meaningful tax savings.
Payment deadlines are strict. Heirs have six months from the date of death to file and pay ISD, with one possible six-month extension. Failure to comply generates significant surcharges and interest.

Unmarried partners receive no automatic tax reduction in most Spanish regions — they are treated as strangers for succession tax purposes — making will planning and property structuring even more critical for non-married expat couples.

Unmarried Couples: Pro Indiviso and the Absence of Default Protections

If you are not married, Spanish law offers virtually no automatic protection for your partner on your death. There is no right of inheritance, no spousal usufruct by default, and no matrimonial regime to liquidate in your favour.

Your partner inherits only what you leave them in a valid will, subject to:

Forced heirship rules of the applicable succession law (which may reserve a portion for children or parents regardless of what the will says).
Succession tax at the highest rates in most regions, since unmarried partners are classified as unrelated persons in most of Spain.

The only ownership structure that gives both parties a defined right by operation of law is pro indiviso — each partner holds their percentage, and on death, each partner's share goes to whoever is named in their will. There is no automatic survivorship right in Spanish law as there is with joint tenancy in common-law jurisdictions.

For unmarried couples, this makes a carefully drafted Spanish will not optional — it is essential. For a detailed breakdown, see our guide on inheritance rights for unmarried partners in Spain.

Practical Structuring Options for Expat Couples

There is no single correct structure. The right approach depends on your nationalities, marital status, applicable matrimonial property regime, family situation, and tax residency. That said, here are the principal tools available:

Structure	How it works	Best suited for
Pro indiviso + mirror wills	Each partner holds 50%; each will leaves their share to the other.	Married or unmarried couples with no complex family situation.
Usufruct legacy in will	Deceased's share passes to children/heirs; survivor gets usufruct.	Blended families; situations where children's inheritance must be protected.
Gananciales election	Married couples can adopt gananciales even if not their default regime, via notarised agreement.	Couples from separation-of-assets jurisdictions who want community property benefits.
Spanish SL (limited company)	Property held in a Spanish private limited company; partners hold shares, not property directly.	Investors with multiple properties; complex family situations; not typically cost-efficient for a single family home.
Capitulaciones matrimoniales	Formal marriage contract regulating the matrimonial regime under Spanish or foreign law, registered in Spain.	Couples who need to elect a specific applicable law under EU Regulation 2016/1103.

None of these structures eliminate the need for a will. In almost every scenario, a valid Spanish will — drafted with awareness of your applicable succession and matrimonial property law — is the foundational document. Everything else is layered on top.

Frequently Asked Questions

1. If I buy property in Spain with my partner, do they automatically inherit my share when I die?

No. In Spain there is no automatic right of survivorship equivalent to joint tenancy in common-law countries. Your share will be distributed according to your will, or — if you have no will — the intestacy rules of the applicable succession law. Your partner may receive nothing without a will.

2. Does it matter that we are married?

Yes, significantly. Marriage determines the matrimonial property regime, which affects how much of the property enters the estate at all. It also typically gives the surviving spouse certain usufruct rights under Spanish intestacy law. Unmarried partners have no comparable default protections.

3. Can other heirs force us to sell the property after my partner dies?

Yes. Any co-owner under pro indiviso — including heirs of the deceased — can petition for judicial division of the property. For a home, this usually results in a court-ordered sale. This risk is mitigated by granting the survivor a usufruct in the will, since a forced sale of the bare ownership (encumbered by usufruct) is rarely economically attractive to the heirs.

4. How much inheritance tax will my partner pay on my share of the property?

It depends on the property's value, the region where it is located, your partner's relationship to you (married or unmarried), and their tax residency. In Madrid or Andalusia, close relatives effectively pay very little. In other regions, rates can reach 34% or more for large values. Unmarried partners face the worst rates in most regions. Get a simulation from a local tax adviser before relying on assumptions.

5. We are both non-EU nationals living in Spain. Which succession law applies to us?

EU Regulation 650/2012 applies to all persons dying habitually resident in an EU member state, regardless of nationality. If you are habitually resident in Spain at death, Spanish succession law applies by default. You can elect the law of your nationality in a will — for example, American, Australian, or South African succession law — but this election does not override Spanish forced heirship rules if Spain is the applicable law. Non-EU nationals face an additional layer of complexity and should seek specialist advice.

Conclusion: Own Property in Spain Together — But Plan for What Comes Next

Joint property ownership in Spain is straightforward to set up. The complexity arises after — when one partner dies, when family dynamics shift, or when the tax authority sends a notice that no one was prepared for.

The core message is simple: pro indiviso without a will leaves your partner exposed. With the right combination of a Spanish will, a clear understanding of your matrimonial property regime, and — where appropriate — usufruct provisions, most of the worst outcomes can be avoided.

The second message is equally important: document everything. Surviving partners frequently discover that they do not know where the property deeds are, which lawyer drafted the will, what the mortgage conditions say, or whether a tax identification number (NIE) is needed before they can even begin the inheritance process. That administrative void, in an already painful moment, is entirely preventable.

Sucesio helps expat couples document their property, digital assets, and wishes — so the survivor always knows what exists and how to access it. See how it works →

Published: 2026. References: Código Civil español arts. 392–406 (pro indiviso) · Regulation (EU) 2016/1103 on matrimonial property regimes · Ley 29/1987 ISD. This article is for informational purposes only. Consult a qualified Spanish notary for property structuring advice.