The Czech Cadastre: the free register that tells you who really owns a flat

Anyone in Czechia can find out who owns a given flat, and whether it is mortgaged, in a few minutes and for free. This is not a loophole. It is the design of the Cadastre of Real Estate (katastr nemovitostí), the register that sits underneath every property deal in the country.

For a foreigner used to paying a lawyer to fetch a title, the openness is a relief. For anyone who has rented a flat from someone who turned out not to own it, it is a safeguard. The cadastre is the first stop, before the broker, before the lawyer and before the deposit.

What it is

The cadastre is the state's official record of real estate. It is kept by the Czech Office for Surveying, Mapping and Cadastre (Český úřad zeměměřický a katastrální, ČÚZK), working through regional cadastral offices. It joins a description of the property (location, area, use) to a record of legal relations: who owns what, and what burdens it. The aim is legal certainty, so that everyone dealing with property checks the same facts in the same place.

What it records

Land parcels, buildings and, in apartment blocks, individual units (jednotky). Each parcel is numbered within a cadastral area (katastrální území), the basic unit of the register, which does not always match a district name in everyday speech. Prague has many cadastral areas, and a building in Žižkov will sit in one that bears the name, though other neighbourhood names do not map so neatly.

Beside the objects, it records rights: ownership, mortgages and other liens (zástavní právo), easements (věcná břemena), pre-emption rights, and restrictions such as an enforcement order or a ban on disposing of the property. Each entry is tied to the document that justified it, such as a contract or a court decision. That paper trail is what makes the register something you can verify rather than merely trust.

The ownership sheet

The key document is the ownership sheet (list vlastnictví, LV). Each owner has a sheet listing what they own in a given cadastral area. Our guide to reading one is in this series, and it is the document you will see most often in your first property conversation.

Why it matters legally

Ownership of real estate arises with entry in the cadastre. A person who acts in good faith on what the register says is generally protected, even if the register later proves wrong in some detail. So the time to check it is not only on signing day but again close to the filing. The state's willingness to protect those who rely on the register is the reason the register is kept so carefully.

How to search

ČÚZK runs an online public inspection service (Nahlížení do katastru nemovitostí). You can search by address, parcel number or unit and see the owner, the type of property, the area and the recorded rights. Browsing is free.

A printout from that view is for information only. A document with legal effect, an official extract (výpis z katastru nemovitostí), is requested through a cadastral office or a Czech POINT desk, and a fee is charged (as of 2026; check the official source). Use the free view for research, and order the official extract only when a bank, a court or a notary asks for one.

Who can see what

Ownership data is public: who owns, and which rights are recorded in their favour. Some personal data, such as the birth number (rodné číslo), is not shown in the public view. Searching by a person's name is possible only under conditions set by the office. The register is open about property, not about private individuals.

What it cannot tell you

The cadastre says what the register says. It does not say whether the flat is in good repair, whether the owners' association is solvent, or whether the building was lawfully completed and approved for use. Those need separate checks. Nor does it show every claim: rights arising from a lease or an unregistered agreement may not appear.

A flat can therefore be cleanly registered and still be a bad purchase. The register answers the question "who may sell this?" and leaves "should I buy it?" to you.

Map and parcel data

Alongside the legal register there is a digital map of parcels, handy for the shape of a plot and its neighbours. Boundaries on it are administrative records. They do not replace a survey in a boundary dispute.

Common mistakes

Confusing a neighbourhood name with a cadastral area. Relying on a printout that is weeks old. Assuming the register shows tenants. Reading only the owner box and skipping the restrictions. Ordering a paid official extract when the free view would have answered the question.

Why foreigners should care

For a newcomer the cadastre is the one Czech institution that explains itself. It is free, it is searchable, and it does not care what language you speak when you read the owner's name. Tenants can use it too: before renting a flat, a quick search shows whether the person offering it is the person who owns it. It is not a guarantee of honesty, but a landlord whose name does not match is a landlord to question.

Frequently asked questions

Is the cadastre free to search?

The online public inspection service is free. An official extract with legal effect is a separate service with a fee (as of 2026; check the official source).

Can I see who owns any flat?

Yes. Ownership data is public, though some personal data is shown only in part.

Does the register show tenants?

Not necessarily. Rights arising from a lease or an unregistered agreement may not appear.

What is a cadastral area?

The basic unit of the register (katastrální území). It does not always match a district name in everyday speech.

A short exercise with your own address

The cadastre is easier to understand through one record than through ten paragraphs. Search for the building you live in and open a flat's record. You will see the cadastral area, the parcel under the building, the unit with its number and the share in common parts. You will see the owner or owners and, further down, any rights recorded against the flat. You will probably find at least one entry you cannot explain on first reading, and that is normal. Note it and look it up. Most entries have a name, such as a mortgage or an easement, and once you know the vocabulary the record becomes readable.

Why it is a model of public records

Czechia has plenty of bureaucracy that foreigners find opaque. The cadastre is the opposite, which is why many Czech and foreign property professionals start every conversation with it. If you are comparing how different institutions treat a newcomer, this is the one that treats you as an equal. It is also the cheapest due diligence tool available to a private person: a few minutes of reading before a viewing can save a wasted weekend and, occasionally, a great deal more.

A first step

Open the ČÚZK public inspection service and search for your own address. Find the cadastral area, the parcel number and the unit number. A lawyer, notary or broker will ask you for those three before anything else.

This is a general explainer, not legal, tax or mortgage advice.