Buying property in Spain as a Swiss resident: comprehensive 2026 legal, tax and inheritance guide

Swiss residents — whether Swiss nationals or third-country nationals living in Geneva, Zurich, Zug, Basel, Lausanne or the Ticino — form a discreet but high-value community of Spanish property owners, concentrated in Marbella, Sotogrande, Mallorca and the Costa Brava. Switzerland is outside the EU and EEA, which has crucial consequences for IRNR (deductibility of expenses lost), inheritance planning (no automatic application of EU Regulation 650/2012), and treaty interpretation. This guide details the Spain-Switzerland double tax convention of 1966 with its 2006 and 2013 protocols, the cantonal variations in Swiss wealth tax (impôt sur la fortune) on Spanish property, the cantonal inheritance and gift tax regimes (radically different from canton to canton), the Spanish IRNR obligations of Swiss-resident owners, the impact of the non-EU classification on rental income deductibility, the Andalusian 99% reduction interaction with cantonal Swiss inheritance tax, the Spanish lump-sum taxation parallel for Swiss expats, and practical recommendations for Swiss buyers in 2026.

Salama Legal SLP

8/15/20268 min read

Salama Legal SLP
Salama Legal SLP

Why Swiss residents need non-EU planning

Switzerland is neither in the EU nor in the EEA. Spanish tax law treats Swiss residents as third-country residents for IRNR purposes, denying the deductibility of rental expenses that EU/EEA residents enjoy. This single fact often doubles or triples the effective Spanish tax on Swiss-owned rented property. Furthermore, Swiss residents fall outside EU Regulation 650/2012 by default, requiring careful coordination of Swiss IPRG (Loi sur le droit international privé) and Spanish private international law for inheritance.

Switzerland's confederal structure adds further complexity: each of the 26 cantons has its own income tax, wealth tax, and inheritance/gift tax regimes. A Geneva resident plans differently from a Zurich, Zug or Schwyz resident. This guide highlights the cantonal variations throughout. Coordination between a Swiss fiduciary and a Spanish lawyer is indispensable.

Tax residency and the 183-day rule

Spanish tax residency under article 9 LIRPF triggers at 183 days or with centre of economic interests in Spain. Swiss residency under the relevant cantonal law and federal LIFD typically requires the centre of vital interests (lieu où l'on demeure avec l'intention de s'y établir) in Switzerland. The Spain-Switzerland treaty article 4 provides tie-breakers. Swiss residents spending 4-5 months annually in Spain rarely trigger Spanish residency; those spending 6+ months almost always do, particularly if the Spanish property is a primary residence.

For Swiss residents who become Spanish-resident, Modelo 720/721 reporting of Swiss assets is required: Swiss bank accounts, 3a pillar, life insurance with cash value, and any participation above 25%. The post-CJEU C-788/19 reform of Modelo 720 sanctions has restored proportionate penalties but the reporting obligation remains.

NIE, powers of attorney and signing

NIE for Swiss buyers: Spanish consulate in Bern, Geneva, or in Spain. Powers of attorney executed before a Swiss notaire/notar/notaio, with apostille under the 1961 Hague Convention (Switzerland is signatory), sworn translation to Spanish. The Spanish notary requires specificity: property identification, price ceiling, financing terms, matrimonial declaration. Our NIE guide covers both routes.

Swiss notaires in the cantons of Geneva, Vaud, Neuchâtel, Jura, Fribourg, Valais and Ticino follow Latin notarial tradition compatible with Spanish notaries. German-speaking cantons follow German notarial tradition with subtle differences; the apostille and sworn translation harmonise the procedures.

Acquisition taxes

Andalusian ITP 7% resale, IVA 10% + AJD 1.2% new build. Valor de referencia floor since 2022. Notary, registry, gestoría, legal fees total 1.5%-2%. Costa del Sol total acquisition cost approximately 10%-13% of price. Our detailed property tax guide lists rates by community.

In Switzerland, the foreign purchase is reported in the next cantonal tax declaration. Some cantons (Geneva, Vaud) apply special procedures for foreign real estate declaration. The Swiss Lex Koller restricting foreign purchases of Swiss property does not affect Swiss residents buying foreign property; it is irrelevant to outbound investment.

IRNR while Swiss-resident: the critical non-EU disadvantage

Spanish IRNR for Swiss-resident owners: 24% (not the 19% EU rate) on imputed income (1.1%/2% of catastral value) and on gross rental income. Critically, expenses are NOT deductible for non-EU/EEA residents under the current LIRNR regime. A Swiss resident renting a Marbella flat for €30,000 gross with €12,000 of expenses (mortgage, IBI, community, repairs, depreciation) pays 24% on €30,000 = €7,200 of IRNR. An equivalent EU resident pays 19% on €18,000 net = €3,420. The Swiss resident pays more than double.

This non-EU treatment was reinforced by the CJEU C-388/19 case which condemned similar non-deduction provisions for non-EU residents in capital gains but did not extend automatically to rental income. The Spanish administration applies the literal LIRNR text. Some Swiss residents attempt to claim EU treatment via the Spain-Switzerland treaty non-discrimination clause (article 24); the Spanish tax courts have generally rejected this argument. Our IRNR guide discusses the procedural options.

Structural workarounds: (1) hold the rented property through an EU resident SL or family member, with the Swiss resident as ultimate beneficial owner — complex and increasingly scrutinised under DAC6 disclosure; (2) avoid rental and use the property personally only (the 24% on imputed income at 1.1%/2% of catastral value is typically a modest absolute amount); (3) accept the non-deductibility and price the rental accordingly.

Swiss income tax treatment of the Spanish property

Swiss residents are taxed on worldwide income. The Spanish rental or imputed income is reported in the cantonal tax return. The treaty exempts the rental income with progression: the income is not Swiss-taxed but raises the marginal Swiss rate on other income. The Spanish IRNR paid is therefore not creditable (it is unnecessary because Switzerland exempts) and is effectively a final Spanish tax.

For non-rented Spanish property held by a Swiss resident, Swiss law applies an Eigenmietwert (deemed rental value) at the cantonal valuation. The treaty exempts this with progression. The cantonal Eigenmietwert valuation methods differ; Geneva applies a specific formula based on property value, Zurich applies a percentage of cantonal estimated value, and Ticino uses simplified rules. The administrative work of valuing the Spanish property for Swiss purposes is non-trivial; a Spanish tasación oficial may be required.

Swiss wealth tax (impôt sur la fortune) on Spanish property

All Swiss cantons levy a wealth tax (impôt sur la fortune / Vermögenssteuer). Spanish property held by Swiss residents counts toward the wealth tax base at fair market value. Cantonal rates vary widely: Geneva up to 1% per year on the highest brackets; Zurich approximately 0.6%; Zug approximately 0.3%; Schwyz approximately 0.25%. The tax can be substantial: a CHF 2 million Spanish flat held by a Geneva resident generates approximately CHF 15,000-20,000 per year of Geneva wealth tax.

The treaty article 22 covers wealth tax: real estate is taxable in the situs state (Spain). Spain currently applies the Impuesto Temporal de Solidaridad de las Grandes Fortunas (ITSGF) since 2022 with a €3.7 million threshold; below that threshold no Spanish wealth tax applies (Andalusia, Madrid and other communities have 100% bonificación on the regional Impuesto sobre el Patrimonio). For Swiss residents, the absence of Spanish wealth tax below the high threshold means no Swiss credit is available and the full cantonal wealth tax applies on the Spanish property.

Mortgages on the Spanish property are deductible from the Swiss wealth tax base, prorated according to the canton's rules for foreign property. Maintaining a leveraged structure on the Spanish property can therefore reduce Swiss wealth tax substantially. The mortgage must be on the property, not a personal Swiss loan.

Inheritance: Swiss cantonal regimes and the EU Succession Regulation gap

Switzerland is not in the EU; EU Regulation 650/2012 does not apply directly. Swiss IPRG article 86 ff governs the inheritance of a Swiss resident: by default, Swiss law of the last domicile governs. Article 90 IPRG allows a Swiss national to elect their cantonal succession law in a will. For non-Swiss residents in Switzerland, the IPRG allows election of nationality law.

On the Spanish side, article 9.8 of the Spanish Civil Code (pre-2015) and Regulation 650/2012 (post-2015) apply. The Regulation explicitly governs the recognition of Swiss succession in Spain, treating Swiss residents as third-country residents. The applicable law is determined by the Regulation: by default the law of habitual residence (Swiss), but a professio iuris in favour of nationality law is recognised.

Practical recommendation: a Swiss resident should execute a Spanish will (testamento ante notario español) for Spanish assets only, with professio iuris choosing the law of nationality (if foreign-national resident in Switzerland) or Swiss cantonal succession law. The European Certificate of Succession is available for Swiss heirs of Spanish property despite the non-EU status of Switzerland — the certificate operates on the Spanish side regardless of the heir's residency. Our inheritance guide details the procedure.

Swiss inheritance tax: cantonal variation and the Andalusian 99% interaction

Swiss federal level imposes no inheritance tax. Cantons impose inheritance tax with substantial variation. Spouses are universally exempt. Direct descendants (children, grandchildren) are exempt or near-exempt in most cantons: Geneva, Vaud, Fribourg, Jura, Neuchâtel, Tessin all exempt direct descendants; Zurich, Schwyz, Zug exempt; only Lucerne, Solothurn and some smaller cantons impose modest rates on direct descendants. Collateral heirs (siblings, nephews, cousins) face material rates: Geneva up to 26%, Vaud up to 25%, others 10%-25%.

For a Swiss resident in Geneva inheriting a Marbella flat from a parent: Geneva exempts direct descendants from inheritance tax; Spanish ISD with Andalusian 99% reduction means near-zero. Total tax burden: a few hundred euros plus Spanish administrative fees. This is one of the most fiscally optimal inheritance combinations in Europe.

For Swiss residents in Lucerne (where direct descendants pay 2%-12%): Spanish ISD with Andalusian 99% reduction + Lucerne 2%-12%. Lucerne provides credit for foreign inheritance tax paid; the credit is small (because Spanish tax is small) and the bulk of the family tax burden falls in Switzerland.

For collateral inheritance (sibling to sibling, parent to nephew): Swiss cantons impose rates of 10%-26% even in the inheritance-friendly cantons, plus Spanish ISD where Group III/IV applies (Andalusian reduction more limited). The combination can be onerous. Lifetime planning via gifts to direct descendants (who are exempt in most cantons) before the collateral transfer occurs is the standard mitigation.

Beckham law for Swiss executives

Swiss executives relocating to Spain can elect the Beckham regime: 24% flat on Spanish income up to €600,000, foreign income largely exempt, for six years. Eligibility: non-residency in Spain for previous five years, Spanish employment or director position, election within six months. The 2023 reform extended access to teleworkers under Ley 28/2022. The Beckham regime is particularly attractive for Swiss-resident executives moving to Spain because Switzerland's lump-sum forfait fiscal regime (impôt à forfait) is available to incoming non-Swiss nationals, creating mirror-image planning. Our Beckham law guide details the application and the six-year planning horizon.

For Swiss retirees relocating to Spain, Beckham is unavailable (employment requirement). Spanish IRPF with worldwide taxation applies. Swiss occupational pensions (LPP/BVG) are taxed under the treaty: typically in the state of residence, with the Swiss pension exempt with progression in some cases. Swiss 3a pillar withdrawals can be timed before Spanish residency to use Swiss low pension withholding rates rather than Spanish progressive IRPF.

Holding through a Swiss AG, Spanish SL or family foundation

Swiss buyers sometimes hold Spanish property through a Swiss AG, GmbH or family foundation (Stiftung in Liechtenstein, Familienstiftung). The interposition creates: Swiss corporate income tax on rental income (federal 8.5%, cantonal varies, average 14%-21% combined); Spanish corporate income tax on Spanish-source income (25%); Spanish withholding tax on dividends (up to 15% under treaty, reduced to 0% for substantial participation under the 2013 protocol); Spanish article 314 LMV anti-abuse on transfers of shares of companies with majority Spanish real estate; potential beneficial ownership disclosure under DAC6.

For pure residential property used personally, direct ownership is usually optimal. For commercial property portfolios above CHF 5 million, a structured vehicle may add value, particularly if the Swiss AG benefits from holding-company privileges (largely abolished in 2020 reform but partial transition rules apply) or if a Liechtenstein Stiftung provides asset protection benefits. The structuring decision is delicate and benefits from coordinated Swiss-Spanish-Liechtenstein advice.

Tourist rentals: Marbella and the non-EU IRNR penalty

Tourist licences for Swiss residents face the double challenge of regulatory restrictions (Andalusia Decree 28/2016 + 31/2024, Málaga moratoriums, Marbella community consent) and the non-EU IRNR penalty (24% on gross, no deductions). The combination often makes tourist rental uneconomic for Swiss residents.

Long-term rental under LAU has the same 24% gross / no-deduction problem. For Swiss residents seriously planning rental income, the structural workaround through an EU SL must be evaluated, with full attention to substance requirements, DAC6 disclosure, and Spanish controlled-foreign-company (CFC) doctrine via the criterio de beneficiario efectivo.

Sale of the property: 3% retention, 19% capital gains, Swiss treatment

On sale by a Swiss non-resident, buyer retains 3% (Modelo 211), vendor files Modelo 210 with 19% on net gain (the Spanish capital gains tax is the same EU rate for non-EU residents on capital gains, distinct from the rental income treatment). Acquisition and improvement costs added to cost base. Refund procedure 6-12 months. Our sale guide covers the timing.

In Switzerland, the gain is exempt with progression under the treaty for real estate held privately. The Spanish 19% is final. For Swiss-resident corporate holders, the gain is included in corporate income tax with Spanish credit. The 19% Spanish rate is often higher than the Swiss credit available, so the Spanish rate is effectively the final tax for private holders.

Practical recommendations for Swiss buyers in 2026

Consolidated recommendations: (1) appoint independent Spanish counsel; (2) coordinate Swiss fiduciary, Swiss notaire and Spanish abogado from day one; (3) plan tax residency deliberately, especially around the 183-day calendar; (4) accept the non-EU IRNR penalty on rented property and price accordingly, or structure for EU treatment with full substance and disclosure; (5) execute coordinated Swiss and Spanish wills with professio iuris; (6) leverage the Andalusian 99% inheritance reduction in conjunction with canton-of-residence inheritance tax; (7) consider lifetime gifts to direct descendants in exempt cantons; (8) maintain Spanish mortgage debt to reduce Swiss wealth tax base; (9) verify tourist licence and community statutes; (10) document acquisition costs meticulously for future capital gains; (11) review every five years and after life events.

For ongoing representation we offer fixed-fee Swiss packages covering IRNR, ISD planning, wealth tax coordination, will updates and structural reviews, with communications in English, French, German and Spanish. Contact us for initial consultation.