How to check if a Spanish property
has debts before you buy

The principle: debt follows the property

For personal debt — credit cards, personal loans — the debt follows the person. The new owner of a house never inherits the seller's personal debts. But Spanish law treats certain property-related obligations differently: they attach to the property itself, and when the property changes hands, so do the obligations.

The three debts every foreign buyer must understand are IBI (municipal property tax), community of owners fees, and plusvalía (municipal capital-gains tax). Add to that the risk of embargos (court freezes) and you have the short list.

IBI arrears

IBI (Impuesto sobre Bienes Inmuebles) is the annual municipal property tax — the Spanish equivalent of UK council tax or US property tax. It's paid by whoever owns the property on 1 January each year. Typical amounts range from €200 for a small apartment to €2,000+ for a large villa.

Under Article 64 of the Ley Reguladora de Haciendas Locales, unpaid IBI creates a hipoteca legal tácita — a "tacit legal mortgage" — over the property. This means the town hall can pursue the property itself, regardless of who owns it now. If you buy a property with four years of unpaid IBI, the town hall can come to you.

How to check

• Ask the seller for the most recent IBI receipt (recibo). It shows the year, amount, and whether paid.
• Ask for a certificado de no deuda IBI from the town hall — a formal statement of no outstanding debt. Free, takes a few days, sometimes available online.
• For the current year (if buying between January and when the receipt is issued), confirm the seller will pay their proportional share up to signing day.

Community of owners

For apartments and houses in private developments (urbanizaciones), there's a comunidad de propietarios — the homeowners' association. You pay monthly or quarterly fees for common areas, cleaning, pool maintenance, lift, concierge.

Under Article 9.1.e of the Ley de Propiedad Horizontal, unpaid community fees attach to the property for the current year plus the three previous years. If the seller has not paid for two years, and you buy, you are on the hook for those two years the moment you sign.

How to check

The seller must, by law, produce a certificado del administrador — a certificate from the community administrator stating whether the seller owes money. This is mandatory at the notary and the notary will ask for it. It should be dated within the last 30 days.

If the seller refuses to produce it, or says the community is "informal" and has no administrator, treat that as a major red flag. Informal communities often have €0 in the reserve fund, pending major works, and internal disputes waiting to surface.

What to look for beyond arrears

• Derramas — extraordinary levies voted by the community for major works (roof, lift replacement, structural repairs). A derrama voted before you buy and not yet paid may pass to you if the vote happened before signing.
• Pending works — the minutes (actas) of the last few meetings show what's being discussed. Ask for the last two years of actas.
• Lawsuits — if the community is in litigation with a contractor or a neighbour, the cost could eventually hit owners.

Plusvalía (municipal capital-gains tax)

The plusvalía municipal is a tax the municipality charges on the increase in value of urban land between when the seller bought and when they sell. It is normally the seller's obligation — they pay it within 30 days of the sale.

But here's the complication: plusvalía can generate an afección fiscal — a tax lien that attaches to the property. If the seller doesn't pay, the town hall can, after the standard legal process, pursue the property. That's why some buyers insist on withholding part of the purchase price until the seller proves plusvalía has been paid.

How to check

• For properties sold in the last 5 years, check the Nota Simple for afecciones fiscales under plusvalía. They typically expire after 5 years.
• For the upcoming transaction, agree in writing who pays plusvalía (conventionally the seller) and whether an amount is retained until proof of payment.

Embargos

An embargo (court attachment) is the most serious debt marker. It means a creditor — the tax authority, another private creditor, social security — has obtained a court order freezing the property as security for a debt. Sale of a property with an active embargo isn't impossible, but it requires the embargo to be released at signing.

Embargos are always visible on the Nota Simple in the Cargas section. If you see one, the question is: how much, when was it filed, and is there a plan to release it at the notary? If the embargo is small (€5,000 on a €300,000 flat) and the seller intends to pay it from the purchase money, that's manageable. If it's €150,000 against a €200,000 flat, the numbers may not work.

The existing mortgage

Almost every Spanish property has had a mortgage at some point. The key questions are whether it's currently active, and whether it will be cancelled at or before the notary signing.

Standard practice:

1. Seller provides a certificado de deuda pendiente from the bank, showing the exact payoff amount on the signing date.
2. At the notary, part of your purchase money goes directly to the bank via a bank-certified cheque (cheque bancario), paying off the mortgage.
3. The bank simultaneously issues a cancellation document (carta de pago y cancelación).
4. Your lawyer or notary registers the cancellation at the Registry — mortgage removed.

Stage 4 takes a few weeks after signing. During that window, the Nota Simple will still show the cancelled mortgage. Don't worry — the registration is procedural.

Utilities

Electricity, water, gas, and internet contracts stay with the seller unless transferred. They aren't property debts in the afección sense — the utility company pursues the old contract-holder, not the property. But if you move in and the supply has been cut for non-payment, you'll have to reconnect.

At signing, ask for the latest utility invoices (last three months). Note any large or unusual balances. Coordinate with your new utility contracts to start on the day you get the keys.

How to protect yourself at signing

The tools to protect yourself are straightforward, but you need to use them:

• Order a fresh Nota Simple within 30 days of the arras, and insist the notary orders another on the signing day itself.
• Insist on an administrator's certificate for community debts — this is mandatory anyway.
• Request a certificado de no deuda IBI from the town hall.
• Require proof of all outstanding mortgages and liens — certificados de deuda pendiente from banks, court documents for embargos.
• Retain an amount from the purchase price where there's plusvalía or residual risk — ask your lawyer about retención.

A good Spanish lawyer will do all of this as a matter of course. If they don't, or if you're early in the process and not yet working with one, Verificar.ai runs these checks automatically as part of the due diligence report.