Inheritance Tax in Spain 2026

Inheritance tax in Spain in 2026 applies to fiscal residents of the country regardless of the actual location of the received assets. This fiscal levy is regulated by State Law 29/1987 and regional regulations of the autonomous communities, establishing specific deductions and allowances.

The inheritance tax in Spain represents a direct, personal, subjective, and progressive levy. It taxes property increments obtained by individuals gratuitously due to the death of the testator (mortis causa). The legal basis is Ley 29/1987, de 18 de diciembre, del Impuesto sobre Sucesiones y Donaciones / ISD, alongside the regulation approved by Real Decreto 1629/1991. In the context of 2026, the Spanish tax authorities (Agencia Estatal de Administración Tributaria - AEAT) utilize automated international financial information exchange systems (CRS). This technological integration makes the concealment of foreign assets virtually impossible.

The taxpayer (sujeto pasivo) is always the heir or legatee. The inheritance tax in Spain is calculated individually for each recipient. The final amount depends on the value of the inherited share, the degree of kinship with the deceased, and the size of the heir's previously accumulated wealth (patrimonio preexistente). It is critical to understand that Spanish legislation divides taxpayers into two fundamental categories based on their fiscal residence. This classification strictly determines the scope of their tax obligations to the Spanish treasury.

The registration procedure requires a strict sequence of actions. First, the applicable legislation is determined. Then, the inventory and valuation of the property are performed. After this, the tax base (base imponible) is calculated, and legally permissible deductions (reducciones) are applied. Next, the base quota (cuota íntegra) is determined, which is adjusted by multiplication coefficients to obtain the final amount payable (cuota líquida). The inheritance of assets located outside the Spanish jurisdiction adds to this algorithm the necessity of legalizing foreign documents and applying mechanisms to offset international taxes.

The Renta mundial Principle for Tax Residents

The Renta mundial principle obliges Spanish tax residents to declare and pay tax on all inherited assets, including foreign ones. Resident status is determined by staying in the country for more than 183 days in a calendar year or having the center of main economic interests there.

The concept of worldwide income is the cornerstone of the Spanish tax system. If an individual is recognized as a fiscal resident of Spain at the time of tax accrual (fecha de devengo), they fall under the scope of this principle. The date of tax accrual strictly coincides with the date of the testator's death. The place of residence of the deceased themselves is entirely irrelevant for determining the scope of the resident heir's obligations.

The criteria for tax residency are established in Article 9 of the Personal Income Tax Law (Ley 35/2006, del IRPF). A person is considered a resident if at least one of the following conditions is met. First: physical presence in Spanish territory for more than 183 days during the calendar year. Sporadic absences (ausencias esporádicas) do not interrupt this period unless the taxpayer proves their residency in another country. Second: the location in Spain of the main core or base of economic activities, or economic interests. Third: the presumption of residency if the spouse and minor children dependent on the taxpayer permanently reside in Spain.

When resident status is confirmed, a Spanish tax resident must include all property in the declaration. This includes bank accounts in Swiss banks, investment portfolios in the US, and shares in companies in Cyprus. It also includes inheriting property abroad. The Spanish tax agency has the legal authority to demand tax payment on the full value of these assets. Ignoring this rule leads to severe fiscal consequences. The tax base is formed from the real value of all assets minus the proven debts and encumbrances of the deceased.

Difference Between Obligación personal and Obligación real

Obligación personal applies to Spanish residents and covers all worldwide assets of the heir. Obligación real concerns non-residents, who pay tax exclusively on property physically located or exercisable within Spanish territory.

The distinction between these two concepts is critically important for the correct application of legal norms. Under personal obligation (Obligación personal), the taxpayer is liable to the Spanish state for the entire volume of the received inheritance. In this scenario, the legislation of the autonomous community where the heir lived most of the time during the last five years prior to the date of death applies. This grants the right to utilize generous regional allowances. For example, in Andalusia or Madrid, close relatives can obtain a reduction of up to 99% of the tax amount.

Real obligation (Obligación real) arises when the heir is not a tax resident of Spain. In such a situation, only those assets located in Spain are subject to taxation. These could be real estate properties on the coast, funds in Spanish bank accounts, or shares in Spanish companies. Until 2014, non-residents were obliged to apply exclusively state norms, which did not provide significant allowances. However, following a ruling by the Court of Justice of the European Union (STJUE of September 3, 2014), this discrimination was eliminated.

Now, non-residents from EU and EEA countries have the right to apply regional legislation. In 2018, the Spanish Supreme Court (Tribunal Supremo) extended this right to residents of third countries (outside the EU). Thus, even under Obligación real, the taxpayer can choose to apply the norms of the autonomous community where the largest part of the inherited Spanish property is located. However, if a Spanish resident receives an inheritance, they always act within the framework of Obligación personal. The inheritance tax in Spain in this case is calculated on the entire mass of assets.

Risks of Hiding Foreign Assets (Modelo 720)

Concealing a foreign inheritance leads to penalties for non-declaration and the qualification of assets as unjustified capital gains. The control instrument is Modelo 720, mandatory for foreign assets exceeding 50,000 euros.

The informational declaration on foreign assets (Modelo 720) was introduced in 2012 to combat tax evasion. A Spanish tax resident is obliged to file this form annually by March 31. Three categories of assets are subject to declaration: accounts in financial institutions, securities and rights, and real estate and rights to it. The obligation arises if the total value of assets in any of the categories exceeds 50,000 euros as of December 31.

If a resident is inheriting property abroad and fails to declare it within the framework of the inheritance tax, they face a double risk. First, the tax inspectorate can identify this asset through the automatic exchange of information system (CRS) or upon request under bilateral agreements. Second, upon attempting to legalize this asset in the future (for example, upon sale and transfer of funds to Spain), the AEAT will classify these funds as an unjustified capital gain (ganancia patrimonial no justificada).

According to Article 39 of the IRPF Law, such a gain is integrated into the general tax base of the oldest of the unexpired tax periods. This means taxation at marginal income tax rates (up to 47% and higher), rather than at inheritance tax rates. Furthermore, late payment interest (intereses de demora) is accrued, and penalties for non-declaration are imposed. Although the CJEU in 2022 annulled the most draconian fines for failing to file Modelo 720 (which could exceed 100% of the asset's value), standard sanctions under the General Tax Law (Ley 58/2003, General Tributaria) continue to apply. These amount to between 150 and 250 euros for each concealed record, plus proportional fines for non-payment of the main tax.

Mechanisms for Avoiding Double Taxation

Avoiding double taxation when inheriting foreign assets is possible through international conventions and internal deduction mechanisms. The taxpayer has the right to deduct the lesser of two amounts: the tax paid abroad or the Spanish tax on the same portion of the property.

The problem of double taxation arises due to a conflict of jurisdictions. Spain claims the tax based on the heir's residency principle (Renta mundial). The foreign state claims the tax based on the territoriality principle (location of the asset). As a result, the same asset is taxed twice. To resolve this issue, Spanish legislation provides two levels of protection: international treaties and internal unilateral measures.

International agreements always take precedence. If a treaty is signed between Spain and the country where the asset is located, its provisions apply. If there is no treaty, Article 23 of Law 29/1987 (Impuesto sobre Sucesiones y Donaciones / ISD) comes into effect. This article establishes a mechanism for unilateral offset (deducción por doble imposición internacional). The taxpayer has the right to deduct a specific amount from the final quota of the Spanish tax.

The calculation of the deduction is strictly regulated. The lesser of the following two amounts is deducted. The first amount: the effective tax sum paid abroad in connection with the inheritance of this specific asset. The second amount: the result of multiplying the average effective rate of the Spanish tax by the value of the foreign asset. The average effective rate (tipo medio efectivo) is calculated by dividing the final quota (cuota líquida) by the tax base (base liquidable) and multiplying by 100. This mathematical mechanism guarantees that double taxation is eliminated, but Spain does not refund money if the foreign tax was higher than the Spanish one.

Application of Deductions under International Treaties (CDI)

A Convenio Doble Imposición / CDI regulates the distribution of tax rights between states. In the absence of a specific inheritance treaty, internal Spanish legislation applies to offset foreign taxes.

Spain has an extensive network of double taxation avoidance agreements. However, the vast majority of these CDIs concern exclusively taxes on income and wealth (IRPF, IS, IP). Specific conventions covering inheritance tax have been signed by Spain with only three countries: France, Sweden, and Greece. These documents clearly outline the rules for distributing tax competencies.

For example, in the treaty with France, real estate is taxed in the country of its location. If a Spanish resident inherits an apartment in Paris, France levies its tax. Spain, applying the Renta mundial principle, also includes this apartment in the tax base. But based on the CDI, Spain is obliged to provide a deduction for the amount of the French tax. If movable assets (bank accounts) are inherited, the right of taxation is usually assigned exclusively to the heir's country of residence.

For all other countries, including the US, UK, Germany, and CIS countries, specific CDIs for inheritance do not exist. In such cases, Article 23 of Law 29/1987 applies exclusively. It is important to note that general income tax conventions (based on the OECD Model Convention) are not applicable to inheritance tax. Taxpayers' attempts to invoke Article 21 (Other Income) of general CDIs are regularly rejected by Spanish courts and the General Directorate of Taxes (Dirección General de Tributos - DGT).

VissumLex Experience: In the practice of the VissumLex law firm, complex cross-border cases are regularly encountered. In 2025, we managed the case of a Spanish tax resident who inherited an investment portfolio and real estate in Florida (USA) with a total value of 2.5 million dollars. In the US, the assets fell under the federal Estate Tax. Since there is no CDI on inheritance taxes between Spain and the US, a threat of colossal double taxation emerged. The VissumLex team conducted a precise calculation under Article 23 of Ley 29/1987. We legalized the American tax returns (Form 706) and proved to the AEAT the fact of effective payment of the Estate Tax. As a result, the maximum unilateral deduction was applied in the Spanish declaration. The client saved over 450,000 euros, completely neutralizing double taxation within the framework of the law.

Legalization of Foreign Wills and Valuation of Foreign Assets

Foreign wills require an apostille, sworn translation, and recognition in Spain. The valuation of foreign assets is based on their real market value on the date of the deceased's death according to Spanish rules.

The process of registering a foreign inheritance in Spain begins with the preparation of the documentary base. A foreign death certificate and will do not have automatic legal force in Spanish territory. They must undergo a legalization procedure. For member countries of the 1961 Hague Convention, affixing an Apostille stamp (Apostilla de La Haya) is sufficient. For other countries, consular legalization is required.

After apostillization, the documents are subject to mandatory translation into Spanish. The translation must be performed exclusively by a sworn translator (traductor jurado), officially accredited by the Spanish Ministry of Foreign Affairs (MAEC). If the deceased was an EU citizen, the process is simplified thanks to the European Certificate of Succession (Certificado Sucesorio Europeo), introduced by EU Regulation 650/2012. This document is recognized in all EU countries without additional formalities.

The valuation of foreign assets is one of the most complex stages. In Spain, since 2022, the cadastral reference value (valor de referencia de Catastro) has been applied to domestic real estate. However, this indicator does not exist for foreign real estate. Therefore, the valuation of foreign assets is carried out at their real market value (valor real de mercado) on the date of death. The taxpayer is obliged to provide objective evidence of this value. This can include reports from independent appraisers, certificates from foreign tax authorities, or purchase and sale agreements for similar properties. Undervaluation leads to tax recalculation and penalty sanctions from the AEAT.

Filing Modelo 650 for Foreign Property

The Modelo 650 declaration is filed within six months from the date of the deceased's death. All foreign assets are entered into the form, accompanied by documents confirming their value and the payment of foreign taxes.

The Modelo 650 form is the primary document for the self-assessment (autoliquidación) of the inheritance tax. The filing deadline is exactly six months from the day of the testator's death. The law allows for an extension of this period for another six months (prórroga). The request for an extension must be filed within the first five months. Upon extending the deadline, late payment interest (intereses de demora) is accrued for the additional months, but fines are not applied.

When filling out Modelo 650 for foreign assets, a Spanish tax resident must indicate each unit of property in the corresponding sections of the form. Real estate, bank accounts, vehicles, shares — everything is classified according to Spanish rules. A package of documents is mandatorily attached to the declaration: a legalized death certificate, a copy of the will, a certificate from the Spanish General Registry of Acts of Last Will (Registro General de Actos de Última Voluntad), the heir's NIE, and documents confirming the value of the assets.

Special attention is paid to confirming the payment of foreign taxes to apply the deduction. The Spanish tax service requires the provision of official receipts for the payment of tax abroad, translated by a sworn translator. A simple certificate from a foreign notary or lawyer is not a sufficient basis for the offset. The inheritance tax in Spain is considered paid only after Modelo 650 is processed through the bank and registered with the tax authority.

Content Effort Signal: Regional Quotas Matrix (2026)

The tax burden varies drastically depending on the autonomous community. Below is a tax calculation table for a Spanish tax resident (Group II - adult child) inheriting property abroad valued at 1,000,000 euros. It is assumed that the heir does not have significant previously accumulated wealth (less than 400,000 euros).

Autonomous Community	Tax Base (Base Imponible)	Base Quota (Cuota Íntegra)	Regional Allowance (Bonificación)	Total Payable (Cuota Líquida)
Madrid (Comunidad de Madrid)	1 000 000 €	~ 255 000 €	99% (скидка для Группы II)	~ 2 550 €
Andalusia (Andalucía)	1 000 000 €	~ 255 000 €	100% (до 1 млн € на наследника)	0 €
Catalonia (Cataluña)	1 000 000 €	~ 255 000 €	Прогрессивная скидка (зависит от суммы)	~ 55 000 €
Valencia (Comunidad Valenciana)	1 000 000 €	~ 255 000 €	99% (введено в 2023/2024 гг.)	~ 2 550 €

Note: Data is current for 2026. The calculation is indicative and does not take into account individual deductions for a primary residence or disability. In the event of tax payment abroad, the amount payable in Spain may be further reduced through the double taxation avoidance mechanism.

Inheritance Tax in Spain 2026: Frequently Asked Questions

This section provides direct legal answers to the most common questions from Spanish residents regarding the taxation of foreign inheritances.

Do I need to pay inheritance tax in Spain for an apartment in the US?

Yes, you do. If you are a tax resident of Spain at the time of the testator's death, you fall under the Renta mundial principle. You are obliged to declare the American real estate in Spain and calculate the inheritance tax in Spain. However, you have the right to apply a deduction for the amount of tax already paid in the US to avoid double taxation.

What is Obligación personal in inheritance?

Obligación personal (personal obligation) is the legal status of a taxpayer who is a resident of Spain. It means that the individual bears unlimited tax liability to the Spanish state and is obliged to pay tax on all inherited assets, regardless of which country in the world they are located in.

How to offset the Estate Tax paid abroad?

To offset a foreign tax, it is necessary to apply Article 23 of the Impuesto sobre Sucesiones y Donaciones / ISD Law. In the Modelo 650 declaration, you calculate the full amount of the Spanish tax. Then, the lesser of two amounts is deducted from this sum: the actually paid Estate Tax or the portion of the Spanish tax proportional to the value of the American assets. You are required to provide legalized tax payment receipts from the US.

What are the penalties for not filing Modelo 650?

If the declaration is not filed within the established 6-month period, the tax service accrues surcharges (recargos) from 1% to 15% depending on the delay time, provided you file the declaration voluntarily. If the tax authority discovers the concealment of assets independently, penalties for non-declaration are imposed ranging from 50% to 150% of the unpaid tax amount, plus late payment interest.

Does the tax rate depend on the heir's region of residence?

Yes, it depends drastically. The inheritance tax in Spain is transferred to the management of the autonomous communities. If you are a resident of Spain (Obligación personal), the legislation of the region where you resided the highest number of days over the last 5 years applies. The difference in the tax amount between Madrid and Catalonia can amount to tens of thousands of euros due to different regional allowances.

Do I need to translate a foreign death certificate?

Yes, it is mandatory. Any document issued in a foreign language must be translated into Spanish. The translation has legal force only if it is performed by an official sworn translator (traductor jurado) registered in Spain. Before translation, an Apostille must be affixed to the original document.

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Tax support for foreign inheritances for Spanish residents. Protect your assets from double taxation. Contact the lawyers at VissumLex for an accurate calculation and legalization of documents.