Three deadlines run in parallel in the first weeks, and two of them belong to the animal rather than to you. Missing either is straightforward to avoid and awkward to correct.
The deadlines, in order
Your declaration of arrival at the population office of your commune, due within eight days of establishing residence, and within three working days of arriving on the territory for third-country nationals. This produces your entry in the national register and most administrations read your address from it.
The dog declaration at the same commune. Under the amended law of 9 May 2008 a dog must be declared within four months of birth or adoption, and where you change address or the owner changes, the declaration is due within one month.
The insurance, which has to exist before the declaration, because the commune requires proof of it.
The practical consequence is that the insurance comes first, then the commune, and both sit inside a first month that is already busy.
What the commune will ask for
A certificate from an authorised vet covering the breed or type, the electronic identification and a valid rabies vaccination. And a document proving that a third-party liability contract has been concluded with a company authorised to operate in Luxembourg, covering damage caused by the animal to third parties.
The commune issues a récépissé as proof of declaration, which you should keep available. It also levies an annual dog tax, which is communal and varies: a minimum around €10, with communes applying figures such as €30 or €40. Guide dogs for blind and disabled people, police, army, customs and rescue dogs are exempt.
Where you move from another Luxembourg commune and can produce proof of payment, the new commune's tax is generally due from 1 January of the following year. The tax is not reduced or refunded if the dog dies or is lost.
Before you arrive
Three things are easier from abroad than after landing.
Identification and vaccination. Electronic identification is compulsory in Luxembourg at the latest four months after birth, and rabies vaccination follows from twelve weeks. Bring the veterinary records and any pet passport rather than expecting to reconstruct them.
Insurance. Establish whether an existing policy is issued by a company authorised to operate in Luxembourg, and if not arrange one that is, since that is what the commune requires.
The housing question. Ask agents about the building rules rather than only about the landlord, and ask for the pet clause to name the animal in the lease. A verbal agreement with a landlord does not override a règlement de copropriété.
Choosing the apartment with the animal in mind
Four checks at the viewing, all of which are invisible in a listing.
The lift and the floor. In the converted townhouses of Limpertsberg, Belair and the Gare district, a fourth floor without a lift is common, and it changes daily life with a dog considerably.
The route to green space, timed and walked. Luxembourg City is a plateau cut by the Alzette and Pétrusse valleys, so a park close on a map may be eighty metres below. Level access within a few minutes is what determines whether it is used in February, when the sun sets before half past four.
The floors and the neighbours below. In buildings with timber floors, movement carries. A rug with underlay is the most effective measure available and complaints run from the syndic to the owner and then to the tenant.
The balcony, and what right attaches to it. In a copropriété it is frequently a right of exclusive enjoyment over common property, and the facade is common even where the balcony is yours to use, which governs what may be fixed to a railing.
The entry inventory, done properly
With an animal the surfaces under scrutiny at the exit inspection are predictable: floors, skirtings, door frames and fitted joinery.
Record every existing mark in words as well as photographs, with the property empty and before furniture arrives. Parquet deserves particular attention, since refinishing is among the largest deductions landlords claim.
The guarantee is capped at two months' rent excluding charges on any lease signed since 1 August 2024, and its return follows a statutory procedure: half within one month of the handover of keys where the inventories match, the remainder within one month of the annual charges being approved.
The first fortnight, practically
Register a vet before you need one, and ask about out-of-hours arrangements. Establish where the nearest level green space is and walk the route in the dark and the wet. Get the waste calendar and the building's bin arrangement from the syndic or the outgoing tenant. Put your name on the letterbox and entryphone, since the commune, the insurer and the vet all correspond by post.
And introduce yourself to the immediate neighbours. With an animal in a building where sound carries, a conversation before a complaint resolves what a letter afterwards does not.
Three questions we are asked
What about breeds classified as potentially dangerous? The law lists categories including American Staffordshire terrier and morphologically similar dogs, Mastiff, Staffordshire bull terrier and Tosa, with additional obligations including training requirements. Raise it with the commune and the landlord at the outset.
Do the same rules apply to cats? The declaration, insurance and tax obligations described here concern dogs. Building rules may still restrict other animals, so read the règlement.
What if I move commune later? The declaration of arrival is due within eight days of occupying the new residence, and the dog declaration within one month of the change of address.
The documents to keep together
One folder, kept accessible rather than filed, because these are the papers requested at short notice and after an incident.
The veterinary certificate covering breed or type, electronic identification and rabies vaccination. The third-party liability insurance certificate, from a company authorised to operate in Luxembourg. The récépissé issued by the commune as proof of declaration. Proof of payment of the dog tax, which matters if you move to another Luxembourg commune, since the new commune's tax is then generally due from 1 January of the following year. And the lease clause naming the animal, together with the entry inventory and its photographs.
Significant correspondence in Luxembourg arrives by post, so put your name on the letterbox and the entryphone in the first week.
Three questions we are asked
How soon must I declare after arriving? The declaration of arrival at the commune is due within eight days of establishing residence, and the dog declaration within one month of a change of address. Doing both in one visit is the simplest route.
Will an existing foreign policy be accepted? The commune requires a contract with a company authorised to operate in Luxembourg. Check that before arriving rather than at the counter.
Editorial note: Dog law in Luxembourg is set by the amended law of 9 May 2008. The annual dog tax, its amount and the declaration procedure are communal and therefore vary. Rules on animals inside a building are set by each copropriété. Verify with guichet.lu, your commune, your vet and your lease or règlement de copropriété before relying on any of the above.