Legal Differences Between Renting and Buying as a Foreigner in Spain Real Estate Situation in Spain The real estate market in Spain offers great opportunities for foreigners wishing to settle on the Costa Blanca, either by renting or buying a property. However, each option has legal implications that are important to know before deciding. Legal Differences between Renting and Buying as a Foreigner in Spain 1    Legal Requirements ○ Renting: NIE (Foreigner's Identification Number) is not required, although it is advisable to make payments and contracts more easily. Financial documentation such as proof of income or [...]