Which tax do you pay when buying at a judicial auction?

As a rule, transfer tax, whose rate each autonomous region sets. VAT applies instead when the transferor is a business or professional and the supply is subject to it, unless that supply is VAT exempt, in which case it falls back under transfer tax.

What value is the tax calculated on?

For real estate, on the Cadastre reference value at the date the tax accrues. Only if the declared value or the agreed price are higher is the greater of those figures used. Where there is no reference value, the base is the highest of declared value, price and market value.

Can I challenge the reference value if it looks high?

It can only be challenged by appealing the assessment the tax authority issues or by requesting a correction of your self assessment. The authority decides after a report from the Directorate General of the Cadastre, which confirms or corrects the value.

Who pays the municipal capital gains tax at an auction?

In transfers for consideration the taxpayer is whoever transfers the land, that is the debtor. The exception is where the taxpayer is a non resident individual: the acquirer then becomes the substitute taxpayer and the tax can be claimed from them.

Do you inherit the debts of a flat bought at auction?

Charges, encumbrances and entries ranking ahead of the claim being enforced survive and the buyer assumes the liability arising from them. Later entries and annotations are cancelled by court order at the buyer's request.

What about association fees and property tax?

They do not appear in the registry extract because they are not registry entries, but they follow the property on the terms of their own rules. Ask the association administrator for the debt certificate and check the property tax position before bidding.

Costs, taxes and charges: judicial auction

What you really pay when buying at a judicial auction: transfer tax or VAT, registry and notary fees, and the charges you inherit, with an example.

Ángel Visedo Tomás, Fundador de InvertirDeudaUpdated 8 October 2026

The winning bid is not the real cost

The most expensive mistake when entering an auction is confusing what you bid with what the property actually costs you. On top of the award price come the tax, the processing fees, any charges the asset carries and the cost of recovering possession if it is occupied. Before deciding how much to bid you need the total estimated cost, not the starting one.

That calculation draws on three sources: the notice on the BOE auction portal, the Land Registry extract, and the tax rules of the region where the property sits. Skipping them is the most common way to buy a cheap asset expensively.

What is added to the winning bid and where to check it
Item	The rule	Where to check it before bidding
Tax on the transfer	Transfer tax as a rule, or VAT if the transferor is a business and the supply is taxable; base on the Cadastre reference value unless the price or the declared value are higher	Regional rules and the Cadastre electronic office
Municipal capital gains tax	Paid by the transferor, unless they are a non resident individual: then the acquirer is the substitute taxpayer	Who the transferring owner is
Registry and processing	Fees for entering the award decree and for cancelling subsequent charges, with no purchase deed	Land Registry and agency
Prior charges	They survive and the buyer assumes the liability; later entries are cancelled	Registry extract and the certificate of ownership and charges in the notice
Debts outside the registry	Association fees, property tax, municipal charges and levies follow the property on the terms of their own rules	Administrator's debt certificate and the property tax position
Recovering possession	Eviction of occupants without title within one year of acquisition; after that, the ordinary proceedings that apply	Whether occupancy is recorded in the file

Taxes: transfer tax or VAT

Buying a property at a judicial auction is generally taxed under the transfer tax head of the ITPAJD, a tax ceded to the autonomous regions. Each region sets the rate, so it changes depending on where the property is and there is no single percentage for the whole of Spain. Check the regional rules in force before putting a figure in your spreadsheet.

When VAT applies instead of transfer tax

The statute provides that transactions are not subject to transfer tax where the transferor is a business or professional acting in their economic activity, and in any case where they constitute supplies of goods subject to VAT. The exception matters: if that supply is VAT exempt, it falls back under transfer tax. Applied to an auction, what decides the tax is not that a court is selling, but who the transferring owner is and in what capacity they act.

The taxable base: the Cadastre reference value

For real estate, the taxable base is the reference value set out in the cadastral rules at the date the tax accrues. Only if the value declared by the parties, the price agreed, or both, are higher than that reference value is the greater of those figures taken as the base. Where no reference value exists or it cannot be certified, the base is the highest of the declared value, the price and the market value.

Winning cheaply does not make the tax cheaper

This is the consequence that most surprises auction buyers. If you win a flat well below the Cadastre reference value, the tax is calculated on that reference value, not on what you paid. The bigger your discount, the wider the gap between price and taxable base. Check it on the Cadastre electronic office before you bid, not after.

The reference value can only be challenged by appealing the assessment or by requesting a correction of your self assessment, and the authority decides after a report from the Directorate General of the Cadastre. It is neither automatic nor fast: count it as a calendar risk, not a discount.

Municipal capital gains tax: who actually pays it

The tax on the increase in value of urban land, known in Spain as plusvalía municipal, has a rule that runs in the buyer's favour: in transfers for consideration the taxpayer is the person transferring the land, that is the debtor, not you.

There is one specific exception to watch: where the taxpayer is a non resident individual, the acquirer becomes the substitute taxpayer. If you win a property whose owner is a non resident, that tax can end up being claimed from you. It is something you check before bidding, not when the town hall's notice arrives.

Registry and processing fees

To register the property in your name you do not need a purchase deed: the title is the award decree, which together with the order cancelling charges can be sent electronically to the Land Registry. That simplifies the paperwork compared with an ordinary purchase, though it does not reduce it to zero.

Land Registry fee for entering the award decree.
Land Registry fee for the order cancelling subsequent charges.
The registry extract beforehand, and the updated one if you request it again before bidding.
An agency or court representative, if you delegate the filing and the tax return.
The homeowners' association debt certificate.
Transferring utility contracts and, where cut off, reconnecting them.

Charges: what really decides the deal

A property at auction may carry prior registered charges: an earlier mortgage, attachments or tax liens. The rule in the Civil Procedure Act is clear: charges, encumbrances and entries ranking ahead of the claimant's credit survive, and by the mere act of bidding the bidder accepts them and agrees to assume the resulting liability if the award goes their way. Later entries and annotations are cancelled by court order at the buyer's request.

A registered charge is what is recorded against the property. Whether you inherit it or it is cancelled depends not on its amount but on whether it ranks ahead of or behind the credit being enforced.

What a registered charge is

In ordinary enforcement there is a nuance that changes the arithmetic. The value at which the property goes to auction is its appraisal minus the amount of all prior senior charges shown in the registry certificate. In other words, the starting price is already reduced by those charges, and then you assume them. Treat them as a discount rather than a debt and you will count the same money twice in your favour.

Rank beats amount

Two charges of the same amount are not worth the same. What decides whether a charge is cancelled or lands on you is its registry position relative to the claim being enforced, not the figure in the entry. Reading the order of the entries in the registry extract is the step that prevents the most losses, and the one most people skip.

The debts that do not show in the registry extract

The registry records what is registered, and not everything attached to a property gets registered. Some obligations follow the property on the terms of their own rules and will not appear in the extract, so you have to look for them separately.

Unpaid homeowners' association fees. Ask the administrator for the debt certificate before bidding.
Outstanding property tax, which can create a lien over the property.
Municipal charges tied to the property, such as waste collection or vehicle access.
Special levies approved by the association and not yet billed.
Disconnected utilities, whose reconnection has a cost and a lead time.

The cost of recovering possession

If the property is occupied, the cost of the deal includes solving that. You can request the eviction of those who are occupants in fact or without sufficient title within one year of acquisition, with a hearing within the following ten days. After that year, eviction can only be sought in ordinary proceedings: another budget and another calendar. Count lawyer, court representative and months without income.

Worked example, illustrative figures

You win a flat for 80,000 euros. The Cadastre reference value is 95,000 and the region's transfer tax rate, in this assumption, is 8 per cent: the tax is calculated on 95,000 and comes to 7,600 euros, not the 6,400 your 80,000 would give. Add 700 euros of Land Registry fees for the entry and the cancellation, 500 of agency fees, 1,500 of association debt certified by the administrator and 900 of outstanding property tax. Total outlay: 91,200 euros against the 80,000 of the winning bid, and that is with the flat empty. If it were occupied, add the cost of the procedure and the months of waiting. The figures and the tax rate are invented to illustrate the calculation.

How to estimate the total cost before bidding

From the notice to your maximum bid: how to estimate the total cost of an auction

Notice and registry extractDownload the full notice with the certificate of ownership and charges and the appraisal, and request the Land Registry extract to note which charges exist, their amount and their rank relative to the claim being enforced.
Cadastre and regional rateLook up the property's Cadastre reference value and the transfer tax rate of that autonomous region.
Who is transferringCheck who the transferring owner is, because that decides whether the deal goes through transfer tax or VAT and whether the municipal capital gains tax can land on your side.
Association and property taxAsk the homeowners' association for the debt certificate and check the property tax position.
Cost of possessionIf occupancy is recorded, budget the eviction procedure and the months the property sits unused.
Maximum bidAdd it all up, subtract it from your valuation of the property today, and set your maximum bid from there.

The most frequent costing mistakes

Calculating the tax on the winning bid instead of on the Cadastre reference value.
Counting as a discount the prior charges the court already subtracted from the auction value and that you are also going to assume.
Budgeting only registered debts and forgetting association fees, property tax and municipal charges.
Assuming the municipal capital gains tax is never yours without checking whether the transferor is a non resident.
Leaving time out of the calculation: months of procedure are months of opportunity cost.

Where we fit in

At InvertirDeuda we organise the asset data before you bid: debt, collateral, judicial phase, rank of the charge and occupancy. We do not file your taxes or replace your adviser. And what we do not know we do not fill in: if a data point is missing you will see No data, so you know exactly what you are estimating yourself.

This guide is informational and is not tax or legal advice. Rates and rules vary by autonomous region and change over time: always confirm the regulation in force and consult a professional for a specific transaction.

A deal, stage by stage

On the deals page you will find three worked cases built with the same structure as the catalogue listings: the debt, the opening price, the court stage, what comes next and what can go wrong. They are illustrative examples, not assets for sale.

See what a deal looks like inside

Tell me about new assets in my province

New assets enter the catalogue every week: mortgage-backed debt, judicial auctions and foreclosure assignments. We send you the ones in your province, with the judicial stage explained, no account needed.

Frequently asked questions

Which tax do you pay when buying at a judicial auction?: As a rule, transfer tax, whose rate each autonomous region sets. VAT applies instead when the transferor is a business or professional and the supply is subject to it, unless that supply is VAT exempt, in which case it falls back under transfer tax.
What value is the tax calculated on?: For real estate, on the Cadastre reference value at the date the tax accrues. Only if the declared value or the agreed price are higher is the greater of those figures used. Where there is no reference value, the base is the highest of declared value, price and market value.
Can I challenge the reference value if it looks high?: It can only be challenged by appealing the assessment the tax authority issues or by requesting a correction of your self assessment. The authority decides after a report from the Directorate General of the Cadastre, which confirms or corrects the value.
Who pays the municipal capital gains tax at an auction?: In transfers for consideration the taxpayer is whoever transfers the land, that is the debtor. The exception is where the taxpayer is a non resident individual: the acquirer then becomes the substitute taxpayer and the tax can be claimed from them.
Do you inherit the debts of a flat bought at auction?: Charges, encumbrances and entries ranking ahead of the claim being enforced survive and the buyer assumes the liability arising from them. Later entries and annotations are cancelled by court order at the buyer's request.
Do you need a notary to register a flat awarded at auction?: The registrable title is the award decree, which together with the order cancelling charges can be sent electronically to the Land Registry. No purchase deed is needed, although registry fees still apply.
What about association fees and property tax?: They do not appear in the registry extract because they are not registry entries, but they follow the property on the terms of their own rules. Ask the association administrator for the debt certificate and check the property tax position before bidding.