What common tax missteps do foreign buyers make in Costa del Sol?

Foreign buyers often encounter several common tax missteps when purchasing property in Costa del Sol, particularly related to a lack of understanding of the Spanish tax system. One significant pitfall is underestimating the total purchase costs, especially the Property Transfer Tax (ITP) for resale properties or VAT (IVA) plus Stamp Duty (AJD) for new builds. These taxes can significantly increase the initial investment, and failure to budget for them adequately can lead to financial strain. Another common error is neglecting to establish a clear residency status from a tax perspective, leading to confusion over whether to pay taxes as a resident or non-resident, which impacts various obligations including income tax (IRPF vs. IRNR) and potential wealth tax. Many buyers also overlook the ongoing annual tax obligations, such as IBI (local property tax), IRNR (Non-Resident Income Tax, even if no rental income is generated), and the new Solidarity Tax on Great Fortunes, which can apply to high-value properties. Furthermore, failing to appoint an independent tax advisor or a lawyer specializing in Spanish property tax can result in improper declarations, missed deadlines, or a lack of optimization opportunities. Some individuals mistakenly assume that tax regulations from their home country directly apply or that common EU rules simplify everything, ignoring the specific nuances of Spanish tax law. Finally, inadequate estate planning regarding the property's future inheritance can lead to substantial inheritance tax liabilities for heirs, a critical aspect often overlooked during the initial purchase phase.