What unexpected taxes might arise from infrastructure-driven value appreciation?

When property values appreciate due to significant infrastructure projects, property owners on the Costa del Sol may encounter several unexpected tax implications. Firstly, capital gains tax (Impuesto sobre el Incremento de Patrimonio de la Venta de un Bien Inmueble) will be higher upon sale, as the difference between the purchase price and sale price increases. Non-residents face a flat rate of 19%, while residents are taxed progressively from 19% to 26%. Secondly, local property taxes, known as IBI (Impuesto sobre Bienes Inmuebles), are assessed based on a property's catastral value, which is periodically updated and often reflects market value changes. As infrastructure improves an area, catastral values are likely to increase, leading to higher annual IBI payments. Thirdly, new developments or significant upgrades in an area might trigger extraordinary contributions or special levies (Contribuciones Especiales) from local municipalities to fund local services or improvements directly benefiting properties in that zone. While less common, these can be significant. Lastly, inheritance tax (Impuesto sobre Sucesiones y Donaciones) for heirs can also increase, as the taxable value of the inherited property will be higher, potentially leading to larger tax liabilities. It's crucial for property owners to consult with a local tax advisor to understand the specific implications for their individual situation and to plan financially for these potential increases, especially when considering the timeline of projects impacting values by 2026.