What is the 3% in a property sale?
In property transactions in Spain where the seller is not a tax resident, there is an obligation that often causes confusion: the 3% withholding on the sale price.
Put simply, the buyer must retain 3% of the agreed price and pay it to the Spanish Tax Authorities. This is not optional and cannot be waived by agreement between the parties.
Why does this withholding exist?
This is not a separate tax.
The 3% acts as an advance payment on the capital gains tax arising from the sale.
For Spanish residents, this gain is declared in their personal income tax (IRPF). However, when the seller is non-resident, the Tax Authorities assume a practical risk: the seller may sell the property, receive the funds, and leave Spain.
To mitigate this, the law requires this withholding as a guarantee.
Who is responsible for paying it?
Although it affects the seller, the legal obligation lies with the buyer.
The buyer must withhold the amount and submit it to the Tax Authorities within the required timeframe.
Failure to do so can result in liability for the buyer.
Is the 3% lost?
Not necessarily.
This is one of the most common misunderstandings.
The non-resident seller may claim a full or partial refund of the amount withheld.
This depends on whether a capital gain actually arose, or whether the final tax due is lower than the amount retained.
When can it be recovered?
Everything depends on the calculation of the gain.
If there was no profit, or only a limited one, it is entirely possible to recover all or part of the 3%.
In practice, it is quite common to find cases where sellers were entitled to a refund but were unaware of it.
Practical note
Before selling, it is advisable to review the tax situation properly.
A prior calculation, supported by proper documentation, can avoid unnecessary tax payments—or allow recovery of a significant amount.


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