By Victor Gersten, EA, CFP®, MS, MPAS™
The Spanish wealth tax is the one cost that has no American equivalent, no treaty relief, and no offset. It is a straight additional cost, and most people only discover it after they have already moved.
It is also widely misunderstood in both directions. Some Americans hear “wealth tax” and assume Spain is going to take a meaningful percentage of everything they own every year. Others hear that their region charges nothing and conclude the subject does not apply to them. Both are wrong, and the second one is wrong in a way that produces filing penalties.
Here is how the Spanish wealth tax actually works for a U.S. citizen living in Spain. If your move is still ahead of you, the broader picture is in Five Financial Mistakes Americans Make Before Moving to Spain.
There Are Two Taxes, Not One
Spain currently runs two parallel net wealth taxes.
The first is the Impuesto sobre el Patrimonio, governed by Ley 19/1991. It is a regional tax, which is why the answer changes depending on where in Spain you live. You declare it on Modelo 714.
The second is the Impuesto Temporal de Solidaridad de las Grandes Fortunas, created by Ley 38/2022. It is a state tax, it applies above 3.7 million euros of net wealth, and you declare it on Modelo 718. Despite the word “temporal” in its name, Real Decreto-ley 8/2023 extended it indefinitely, until Spain revises wealth taxation as part of a wider regional financing reform that has not happened.
The second tax exists mainly to cancel out the first. More on that below, because it is the part that surprises people.
What a U.S. Citizen Resident in Spain Is Taxed On
If you are tax resident in Spain, Spain taxes you by obligación personal, which means worldwide net wealth. Your U.S. brokerage account, your U.S. house, your IRA, your business interest and your Spanish apartment all go into the same base. U.S. citizenship is irrelevant to this. Spanish tax residency is the only thing that matters.
Liability fixes on 31 December. Spain tests both your residence and your asset values on that single date, which makes the end of the year a meaningful planning point rather than an arbitrary one.
The state figures are as follows. Where a region has not set its own, these apply:
- Minimum exemption: 700,000 euros per person. This is an individual allowance. There is no joint filing, so a married couple who each own half of everything shelter 1.4 million euros between them.
- Primary residence exemption: up to 300,000 euros per taxpayer. Again per person, not per property, so a jointly owned home can shelter 600,000 euros.
- Rates run from 0.2% up to 3.5% across eight brackets, with the top rate reached above roughly 10.7 million euros of taxable base.
- Debts are deductible in arriving at net wealth.
The Filing Trap Nobody Warns You About
This is a common and expensive mistake in this area, and it costs people who owe nothing.
There are two independent triggers for having to file Modelo 714. The first is the obvious one: you owe tax. The second is that the value of your assets and rights exceeds 2 million euros, even if no tax is due at all.
That second test uses gross assets. It includes exempt assets, and the calculation does not deduct debts, charges or encumbrances. So consider a hypothetical American living in a region with full relief, holding 2.5 million euros of U.S. investments and a mortgaged home. That person owes zero Spanish wealth tax but must still file the return.
People in exactly that position often do not file, because someone told them their region does not charge the tax. The region does not charge the tax. The filing obligation is separate, and it is a state rule.
Why Your Region Matters, and Where It Stops Mattering
Regions set their own minimum exemption, their own scale, and their own relief. The spread is genuinely large:
- Madrid, Andalucía and Murcia effectively neutralize the regional tax, though the mechanism has changed (see below).
- Cataluña has a lower exemption of 500,000 euros, its own steeper scale, and no general relief. A Catalan resident starts paying earlier and pays more.
- Comunitat Valenciana raised its exemption to 1,000,000 euros for 2025 and to 2,000,000 euros from the 2026 accrual, and applies its own scale.
- Illes Balears has an unusually high exemption of 3,000,000 euros, with its own higher rates above it.
- Galicia applies a 50% reduction, then reduces that further by any solidarity tax payable for the same year.
Here is the mechanism that catches people out. The solidarity tax lets you deduct the regional wealth tax you actually paid. If your region grants you full relief, you paid nothing, so you have nothing to deduct, and the state collects the full solidarity tax instead. The region’s generosity simply moved your money from the regional treasury to the national one. Several regions responded by replacing flat relief with a differential relief that captures the same amount regionally instead. Your total bill is generally unchanged either way.
The practical consequence: choosing your region matters a great deal between roughly 700,000 euros and 3.7 million euros of net wealth, and much less above that, because the solidarity tax sets a floor that regional relief cannot go below.
How Your American Assets Get Valued
Spain values real estate at the highest of three figures: the cadastral value (valor catastral), a value set by the tax office, or the acquisition price. A U.S. house has no Spanish cadastral value, so in practice the comparison is between the euro equivalent of the acquisition price and any value the tax office sets.
Spain values cash and bank balances at the 31 December balance, or the average balance of the fourth quarter if that is higher. Moving money out in December does not help, and in some cases makes it worse.
Spain values listed securities at the average trading value of the fourth quarter, not the 31 December closing price. Spain values mutual funds and collective investment vehicles at net asset value on 31 December. Unlisted shares follow a formula based on audited book value, or the highest of nominal value, theoretical book value, and a capitalization of the last three years of average profits.
Life insurance goes in at surrender value on 31 December, or at the mathematical reserve where no full surrender right exists. Pure term life and disability cover is outside the base.
Your IRA and 401(k) Are Inside the Base
What is settled. Spain’s Dirección General de Tributos addressed this in a binding ruling on facts that are exactly on point: a U.S. citizen resident in Spain holding both a traditional IRA and a Roth IRA. The conclusion was that the Spanish wealth tax reaches both, and owners must include them in worldwide net wealth. The Spanish exemption for accrued pension plan rights does not apply, because it covers plans regulated by Spanish law and certain EU occupational funds, not U.S. arrangements. There is no Spanish wealth tax exemption for a U.S. retirement account, and anyone telling you otherwise is contradicting a binding ruling.
The parallel income tax question, which is a different problem with a different answer, is covered in The Roth IRA in Spain: What Americans Get Wrong Before They Move.
What is not settled. The ruling establishes that these accounts are in the base. It does not give a clean valuation rule for an account holding U.S.-listed securities and mutual funds, and the analogy it draws to surrender value does not translate neatly to a 401(k). Nor does any ruling I have found address an employer plan that is not yet distributable, or a balance that has not vested. No Spanish court has ruled on any of this. Rulings of this kind bind the tax administration, not the taxpayer, and they are not judicial precedent. If a meaningful part of your net worth sits in U.S. retirement accounts, this is a point to review with a qualified professional.
Modelo 720 Is a Different Thing
People conflate Modelo 720 with the wealth tax constantly. They are separate obligations with different thresholds, different windows, and different consequences.
Modelo 720 imposes no tax. It is an information return, filed between 1 January and 31 March, covering foreign assets in three separate blocks: accounts, securities and insurance, and real estate. The 50,000 euro threshold applies independently to each block, and exceeding it in one block means reporting everything in that block. Once filed, you re-file only when a block rises by more than 20,000 euros or an asset is disposed of. The detail is in Modelo 720: What Americans in Spain Actually Have to Declare.
The old reputation of this form as ruinous is out of date. The European Court of Justice struck down the special penalty regime in January 2022, and Spain repealed the fixed penalties, the 150% proportional penalty, and the unjustified capital gain imputation that made the whole thing effectively imprescriptible. What remains is the ordinary information return regime. The obligation survived intact; the legislature only cut down the punishment.
There Is a Cap, and It Has a Floor
Spanish law limits how much of your income the combined tax system can take. Income tax plus wealth tax may not exceed 60% of your income tax base, leaving out gains on assets held for more than one year. Any excess reduces the wealth tax bill, but that reduction cannot exceed 80% of the wealth tax due. In other words, 20% of the wealth tax always survives the cap. The same structure applies to the solidarity tax.
One counterintuitive detail: assets that by their nature cannot produce income are excluded from this calculation. Holding a large share of your wealth in non-income-producing assets reduces the benefit of the cap rather than increasing it.
The Treaty Does Not Help, and Neither Does the IRS
This is a question that comes up often, and the answer is uncomfortable.
The U.S.-Spain treaty provides no relief from the Spanish wealth tax. Article 2 lists the taxes the treaty covers. For Spain, those are the personal income tax and the corporate income tax. The wealth tax is not among them, and the solidarity tax, created in 2022, is not either. There is no tie-breaker, no exemption, no reduced rate, and no mutual agreement procedure available for it.
It is not creditable against U.S. tax. The foreign tax credit under section 901 requires the foreign levy to be an income tax or a tax in lieu of an income tax. A net wealth tax is neither.
It is effectively not deductible either for an individual, since the deduction provision reaches foreign income taxes and foreign real property taxes, and separately disallows the latter for individuals.
And Spain gives no credit back, because the Spanish provision that allows a deduction for foreign wealth taxes has nothing to bite on. The United States levies no federal net wealth tax.
What Actually Exists as a Lever
These are mechanisms in Spanish law, not recommendations. Whether any of them fits depends entirely on your facts.
- The impatriate regime. Someone taxed under Article 93 of the income tax law is taxed for wealth tax purposes by obligación real, meaning Spanish-situs assets only. Worldwide assets, including all U.S. holdings, fall outside the base for the six tax periods the regime runs. The 2 million euro gross filing trigger still applies, and whether the 60% cap is available to this group is genuinely unresolved. Details in The Beckham Law in 2026: What Americans Moving to Spain Actually Need to Know.
- Business assets. Spain exempts qualifying business and professional assets, and shares in qualifying operating companies, subject to strict conditions on ownership percentage, management function, and the share of your income the activity represents. The conditions are demanding, and authorities audit them.
- Region of residence on 31 December, with the ceiling on that benefit described above.
- Per-person allowances. The 700,000 euro exemption and the 300,000 euro housing exemption both run per taxpayer, which makes how assets are titled between spouses a real variable.
Frequently Asked Questions
Do I owe Spanish wealth tax on my U.S. 401(k)?
It goes into the worldwide net wealth base if you are a Spanish tax resident. Whether tax is actually due depends on your total net wealth, your region, and the exemptions available to you. The valuation method for a U.S. employer plan is not clearly settled.
My region charges no wealth tax. Do I still have to file?
Possibly yes. If your gross assets exceed 2 million euros you must file Modelo 714 even though nothing is owed. This is a common filing failure in this area.
Can I deduct Spanish wealth tax on my U.S. return?
No, in practice. It is not creditable under the foreign tax credit rules and it does not fall within the categories of deductible foreign taxes for an individual.
Is the solidarity tax going away?
No law has repealed it. Spain made it indefinite in December 2023 pending a broader reform of regional financing that has not occurred, and courts rejected constitutional challenges by three regional governments.
Does the wealth tax apply the year I arrive?
It follows tax residency, and Spain has no split-year treatment. If you are resident for the year, you are tested on your worldwide position at 31 December of that year. The arrival date can therefore matter a great deal.
Ready to Talk Through Your Situation?
If your net worth is anywhere near these thresholds and Spain is in your plans, a short call is an easy way to understand what the exposure looks like before you commit to a residency date.
If your move is still ahead of you, see our pre-move planning overview.
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Related reading: The US Spain Tax Treaty Explained: Who Taxes What · Working Remotely from Spain: What Americans Need to Settle Before They Go
Important disclosures
This article is general educational information published by Cross Border Wealth Advisors, a company of Gersten Financial Planning Inc., an investment adviser registered with the State of California (CRD 309890). Nothing in it is investment advice, tax advice, legal advice, or immigration advice, and nothing in it is an offer or solicitation to buy or sell any security.
Tax and reporting rules in the United States and in Spain change, and their application depends entirely on your own facts. Spanish wealth tax figures, exemptions, scales and regional relief are set annually and can be changed by regional legislation before the 31 December accrual date. Figures, thresholds, rates and filing dates are stated as of the publication date shown above and may have changed since. Before acting on anything described here, consult a qualified professional about your own situation. Where this article says a point is unsettled or unconfirmed, that statement is deliberate and should be treated as a reason to seek advice rather than as a conclusion.
Cross Border Wealth Advisors is a fee-only firm and acts as a fiduciary to its advisory clients. The firm does not sell products and does not receive commissions. Registration with any state securities authority does not imply a certain level of skill or training.
No portion of this article should be read as a promise, guarantee or prediction of any particular tax, investment or planning outcome. Any calculation shown is a hypothetical illustration using round numbers for the purpose of demonstrating a mechanic. It is not a representation of any client’s experience, is not a projection of results, and does not reflect the performance of any actual account.
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About the Author
Victor Gersten, EA, CFP®, MS, MPAS™, is a fee-only fiduciary specializing in financial planning for Americans living in or moving to Spain. Victor founded Cross Border Wealth Advisors to serve Americans relocating to Spain, combining an Enrolled Agent’s tax expertise with comprehensive financial planning.
Works Cited
- Ley 19/1991, del Impuesto sobre el Patrimonio (BOE)
- Ley 38/2022, Article 3, Impuesto Temporal de Solidaridad de las Grandes Fortunas (BOE)
- Real Decreto-ley 8/2023, indefinite extension of the solidarity tax (BOE)
- Agencia Tributaria, Manual práctico de Patrimonio 2025, filing obligations and valuation rules
- Agencia Tributaria, Modelo 714 and Modelo 718 procedures
- Agencia Tributaria, Modelo 720 filing deadlines and penalty regime
- Tribunal Constitucional, sentencias 149/2023, 170/2023 and 171/2023
- Court of Justice of the European Union, Case C-788/19
- Ley 5/2022, repeal of the special Modelo 720 penalty regime (BOE)
- Dirección General de Tributos, consulta vinculante V1291-22
- Convention between the United States and Spain, Article 2 (IRS)
- IRS, Foreign Taxes That Qualify for the Foreign Tax Credit
- Ley 5/2025, de 30 de mayo, de medidas fiscales de la Generalitat, Comunitat Valenciana (BOE)
- Ley 5/2026, de 31 de julio, de medidas fiscales de la Generalitat, Comunitat Valenciana, article 19 (DOGV)
- Ley 35/2006, del Impuesto sobre la Renta de las Personas Físicas, article 93 (BOE)
- 26 U.S.C. section 164, Taxes (govinfo.gov)
- 26 U.S.C. section 901, Taxes of foreign countries and of possessions of United States (govinfo.gov)
- Agencia Tributaria, Manual práctico de Patrimonio 2025, Galicia regional relief