Due Diligence in Spain: How Families Avoid Property Traps

Last updated: July 2026

the short version: most bad property stories in Spain are not dramatic frauds, they are ordinary checks that nobody did. Before you commit, you want four things confirmed: who legally owns the home and what is registered against it (the nota simple), whether it carries debts that pass to you (IBI, community fees, utilities), whether every square metre is legal and licensed, and what tax base the state will use. The single protection worth keeping is an independent lawyer at roughly 1% of the price. Do the checks in order and buying here is calm, not scary.

Families arrive at this stage nervous, usually because a forum told them Spain is full of scams. The honest picture is gentler. Most Valencia purchases complete without incident, and what goes wrong is almost always a check that was skipped, not a villain in the shadows. This is the part of buying a home in Valencia as a foreigner where a little discipline saves a lot of money, and none of it is complicated once you know the order.

start with the nota simple

The nota simple is a short extract from the Registro de la Propiedad, the Land Registry. It is the closest thing Spain has to a single source of truth about a property, and anyone can request one for a few euros. It tells you the things that matter most before you fall in love with the kitchen.

It confirms who the legal owner is, so you know the person selling is entitled to sell. It lists any charges registered against the home: an outstanding mortgage, an embargo (a seizure order tied to unpaid debt), or an easement. And it describes the property as officially recorded, which you compare against what you actually walked through.

Two mismatches matter most. If the registered owner is not the person signing, stop and ask why. If a mortgage or embargo is still on the record, it has to be cleared or formally cancelled at completion, and your lawyer arranges how. A charge on the nota simple is not a reason to walk away, it is a reason to slow down and have it handled properly.

the debts that travel with the home

This is the trap that surprises foreign buyers most, because it works differently than back home. In Spain, some debts attach to the property itself, not only to the person who ran them up. Buy the home without checking, and you can inherit them.

Three to watch. IBI, the annual council property tax, where unpaid years can follow the property. Community fees, the monthly charges for a building with shared areas, plus any derrama, a one-off levy the community votes for a big repair like a new lift or roof. And utilities, where unpaid bills can leave you sorting out reconnection.

Before completion your lawyer asks the community administrator for a certificate confirming fees are current, checks the IBI position, and reviews recent community minutes to see whether a large derrama has been approved but not yet billed. That last one is easy to miss and can run into thousands. It is a five-minute request that belongs on every buyer's list, which is why we keep it on ours.

is every square metre legal?

A home can be beautifully renovated and still carry a paperwork problem. The two to check are extensions and the occupancy licence.

Owners sometimes enclose a terrace, convert a garage, or add a room without ever registering it or getting a permit. On paper the home is smaller than what you see, and an unregistered extension can mean fines, or an order to undo the work, landing on you as the new owner. Your lawyer compares the registered description and the cadastral record against the physical property and flags any gap.

The occupancy licence is the other one. The cédula de habitabilidad or licencia de primera ocupación certifies the home is legally fit to live in, and utility companies and some buyers rely on it. On a resale it should exist and be transferable; on a new build the developer must deliver it. Missing paperwork here is not always fatal, but you want to know before you sign, not after, because the fix is on your time and sometimes your budget. New builds carry their own version of this, which is why we treat them separately in new build vs resale in Valencia.

the valor de referencia trap

This one is not a scam at all, it is a tax rule that quietly costs uninformed buyers money. Since 2022 the state sets a valor de referencia, a reference value for most properties, published by the Cadastre. Your transfer tax is calculated on the higher of your purchase price or that reference value.

Here is the catch. You can negotiate a great price, well below the reference value, and still be taxed as if you paid the higher figure, so a hard-won discount does not always shrink your tax bill. It is not a reason to avoid a good deal, it is a reason to check the reference value early and budget your all-in cost against it, not against the price you shook hands on. We show how this feeds the real number in the true cost of buying property in Valencia, and figures shift, so confirm the applicable one with your gestor or lawyer at signing.

deposits, arras, and where the money goes

The reservation and the arras (the deposit contract that locks in the sale) are the moments money leaves your hands before you own anything, so they deserve care.

The rule is simple: understand what you are signing and only pay into a proper, verifiable account. Arras deposits in Spain are typically penitential, meaning if you pull out you forfeit the deposit and if the seller pulls out they usually owe you double. That is a normal, protective structure, but the exact wording decides what happens if something falls through, so your lawyer reads it before you sign, never after.

On the money itself, be deliberate. Pay into a clearly identified account, ideally routed through your lawyer or the notary rather than a private account you were sent by message, and be wary of pressure to wire a large sum quickly to secure a home you have not had checked. Legitimate sellers expect due diligence and give you room for it. The sequence, reservation then arras then completion at the notary, is the same one we map in the buying process step by step.

the one protection not to cut

If you take one thing from this guide, take this: hire an independent lawyer who works only for you. Not the seller's contact, not the agency's in-house recommendation as your only option, your own.

An independent lawyer runs every check above, pulls the nota simple, confirms there are no inherited debts, verifies the licences, reviews the arras wording, and tells you plainly whether to proceed. The cost is roughly 1% of the purchase price, commonly in the low four figures. On a six-figure home that is cheap insurance, and it is the line families are most tempted to cut and most regret cutting. It is separate from deciding whether you also want representation on the buying side, which we cover in do you need a buyer's agent in Valencia?.

buying from abroad, safely

Many families buy before they have moved, which is fine as long as the remote setup is done properly. The usual tool is a power of attorney (poder), which lets your lawyer sign steps on your behalf so you do not fly in for every appointment.

Use it deliberately. Grant it to a professional you have chosen and vetted, keep its scope specific to the purchase rather than open-ended, and have it drafted so you understand exactly what it authorises. A power of attorney is a convenience, not a blank cheque, and a good lawyer keeps you informed of each step they sign. Handled this way, buying from another country is routine.

where Spainlander fits

Due diligence is where a good move is quietly protected, and it is process, not luck. We give families the checklist so nothing on this page comes as a surprise, and where you want someone on your side of the table, we introduce you to a vetted independent buyer's agent who works for you, not the seller.

Start with the complimentary Valencia Buyer's Checklist: the nota simple request, the debt certificates to ask for, the licence checks, the reference-value note, and the deposit red flags, on a couple of pages you can actually carry into a viewing. When you are ready to plan the whole family move around it, come back to the pillar, buying a home in Valencia as a foreigner, and we will take it from there.

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Written by the Spainlander editorial team. We help international families settle into Valencia, starting with schools and ending with a home. Founder: Khristian Rueda.