Capital Gains Tax is the tax to be paid by a non-resident owner, when selling his property. The tax amount is 18%, with a 3% withholding provision.
Update: Capital Gains Tax has just increased to 21% for all non-residents. For Spanish residents capital gains tax rising to 21% for gains up to 6.000 EUR, 25% for 6.001 to 24.000 EUR and 27% on higher gains.
Exemptions from Spanish Capital Gains Tax?
Residents over 65 yrs old, selling their principal residence in which they have lived for the past three years are not liable for capital gains tax in Spain.