As of 1 January 2018 the threshold for inheritance tax in Andalucia has been raised from 250,000 to 1,000,000 Euros which is great news for all property owners and people thinking of buying in Andalucia. No tax to be paid by your family when inheriting from you.
See this article from Abacco Advisers
http://http://www.abacoadvisers.com/spain-explained/inheritance/news/positive-trends-inheritance-and-donation-tax?utm_campaign=AANewsletterJanuary201802&utm_medium=newsletter&utm_content=LinkArticle&utm_source=abacoadvisers