You own a flat in Paris, Nice or Bordeaux, you live in London, New York or Dubai, and letting it by the night on a platform looks like the obvious way to cover your taxe foncière (property tax) and service charges. In France, that obvious move now runs through a dense regulatory filter: since 20 May 2026 every meublé de tourisme (furnished tourist rental) in every French commune must be declared on a national online service and display a registration number, letting a second home short-term in a listed city without a prior change-of-use authorisation exposes you to a civil fine of up to 100,000 euros per unit, and on 3 September 2026 the Cour de cassation (France’s supreme court for civil matters) confirmed that renting a dwelling repeatedly for short stays to passing guests is a change of use even when the activity is “civil” in nature and the co-ownership says nothing against it.
This guide explains, for the foreign and non-resident owner, the three gates you must pass — registration, change of use, co-ownership — and then what courts actually punish and what the tax framework costs. Each decisive statement below is tied to the statute or ruling it comes from, with the official link beside it.
I. Renting Your French Property Short-Term: Registration, Authorisation and the Co-Ownership Hurdle
French law treats short-term tourist letting as a distinct use of a dwelling, not as a normal exercise of ownership. Ownership remains, in the words of the Code civil (Civil Code), “La propriété est le droit de jouir et disposer des choses de la manière la plus absolue, pourvu qu’on n’en fasse pas un usage prohibé par les lois ou par les règlements”, which means: the right to use and dispose of property in the most absolute manner, provided no use prohibited by statute or regulation is made of it. Short-term tourist letting is precisely one of those regulated uses. Three cumulative checkpoints apply before your first guest arrives.
A. The Nationwide Registration Number Every Advert Must Display
Since the 2024 loi Le Meur (Le Meur Act of 19 April 2024, tightening the supervision of furnished tourist rentals), and fully since 20 May 2026, any person offering a meublé de tourisme for rent must first file a declaration subject to registration on a national online service, in every commune in France — previously the duty existed only in certain tight-market municipalities. The official service-public.fr notice of 27 July 2026 confirms: since 20 May 2026 the declaration is mandatory in all communes, filed with the town hall via an online service, and the registration number received must appear on the advert and on bookings.
The statute defines its own scope. Article L. 324-1-1 of the Code du tourisme (Tourism Code) covers “des villas, appartements ou studios meublés, à l’usage exclusif du locataire, offerts à la location à une clientèle de passage qui n’y élit pas domicile”, which means: furnished villas, flats or studios, for the exclusive use of the guest, offered for rent to a passing clientele who does not take up residence there. If your listing is a furnished flat rented by the day, week or month to guests who do not live there, you are inside this definition, whether you rent five nights a year or two hundred.
The declaration states whether the dwelling is your résidence principale (main residence, within the meaning of Article 2 of the Act of 6 July 1989 on landlord-tenant relations), and if so you must prove it in the filing. The implementing rules require, among the supporting documents, a French income-tax assessment in your name showing the let property as your place of taxation — a concrete trap for the non-resident owner: if you are not taxed in France at that address, do not declare the flat as your main residence. Declare it for what it is, a second home, and accept the heavier regime that follows. After a complete filing, the online service immediately issues an electronic receipt with a declaration number, forwarded to the commune, and you must update the filing whenever the information changes and renew it when the decree-set period expires.
Platforms are no longer neutral shop windows. Article L. 324-2-1 of the Code du tourisme provides that any intermediary or platform must inform the host of the declaration and authorisation duties, obtain before publication a signed statement that those duties are met together with the declaration number, and publish that number in every advert. The same article gives communes access to platform activity data and provides for an alert “lorsqu’un meublé déclaré comme résidence principale du loueur a été loué plus de cent vingt jours”, which means: when a unit declared as the host’s main residence has been let for more than one hundred and twenty days in the same calendar year. In practice, exceeding the main-residence day cap is now detected automatically and reported to the town hall. Two further day-counts matter: a furnished tourist let to the same guest must not exceed 90 consecutive days per calendar year, and your main residence cannot be let beyond the annual maximum — count every night, keep a letting diary, and reconcile it with the platform statements each January.
Practical consequences for the foreign owner follow directly. First, register before you advertise: platforms must collect your number and your signed compliance statement before putting the advert online, and an advert without a number is now the easiest possible flag for a municipal control. Second, never declare a Paris pied-à-terre as your main residence to escape the second-home regime — the tax-notice proof and the 120-day data match make that misdeclaration detectable. Third, budget the calendar: the declaration must be renewed and updated, so a “register once and forget” reflex leaves you exposed within a year or two.
B. Change-of-Use Authorisation and the Co-Ownership Green Light
Registration is only the first gate. In communes that have introduced the prior-authorisation system, using a dwelling as short-term tourist accommodation is a changement d’usage (change of use) and needs the town hall’s prior authorisation — a separate permission that the tourist classification does not replace. Article L. 631-7 of the Code de la construction et de l’habitation (Construction and Housing Code) submits the change of use of residential premises to prior authorisation in the listed communes, treats as residential any premises assigned to housing at any point in the previous thirty years, and warns that “Sont nuls de plein droit tous accords ou conventions conclus en violation du présent article”, which means: any agreement or contract concluded in breach of this article is void as of right. A seasonal mandate signed with a rental agent for an unauthorised unit, and arguably the guest contracts resting on it, sit on void ground.
Two rulings of the Third Civil Chamber of the Cour de cassation, both read in full for this guide, close the two most common escape arguments. In its judgment of 27 June 2024, appeal no. 23-13.131, published in the Bulletin, the Court held that “une décision de classement en meublé de tourisme ne peut se substituer à l’autorisation de changement d’usage prévue à l’article L. 631-7”, which means: an administrative star-rating classification of a tourist furnishing cannot stand in for the change-of-use authorisation. Having your flat officially classified — one to five stars — proves its comfort level; it proves nothing about your right to operate it. Then, in its judgment of 3 September 2026, appeal no. 25-16.157, the Court quashed an appeal ruling that had tolerated unauthorised seasonal letting on the grounds that the activity was civil in nature and the co-ownership rules allowed rentals. The Court found those reasons legally irrelevant where it had been established that a residential flat had been, in the Court’s words, “donné en location de manière répétée pour de courtes durées à une clientèle de passage qui n’y élit pas domicile sans autorisation préalable de changement d’usage”, which means: repeatedly let for short periods to passing guests with no domicile there, without prior change-of-use authorisation. The lesson for owners is blunt: repetition plus short duration plus passing clientele equals change of use, and neither the civil character of the income nor a permissive co-ownership saves an unauthorised operation.
The third gate is your own building. Since the Le Meur Act, a co-owner who declares a tourist furnishing must inform the syndic (managing agent), and new co-ownership rules must expressly state whether tourist letting is authorised or prohibited — the service-public.fr notice of 27 July 2026 confirms both duties. Before buying for short-term letting, read the règlement de copropriété (co-ownership rules) in full: an exclusive bourgeois-residential-use clause (clause d’habitation bourgeoise exclusive, requiring purely residential, non-commercial occupation) is routinely held to bar tourist rentals, while a simple bourgeois-use clause tolerates them only absent nuisance — and nuisance is exactly what high-rotation guests generate. Paris appeal courts heard several co-ownership seasonal-letting disputes in 2025, a sign of how actively syndics now litigate. Two Civil Code provisions frame the neighbours’ weapons: ownership stops where prohibitions start (Article 544, quoted above), and Article 1240 of the Code civil provides that “Tout fait quelconque de l’homme, qui cause à autrui un dommage, oblige celui par la faute duquel il est arrivé à le réparer”, which means: any act whatever that causes damage to another obliges the person at fault to repair it. Noisy suitcases at 2 a.m. in the stairwell are not a theoretical risk; they are exhibits. If you are buying, make the purchase conditional on written confirmation from the syndic that short-term tourist letting is permitted in that building, and keep that letter with your deeds.
For Paris and the inner suburbs, add one practical layer: the capital enforces these rules more actively than any other French city, with municipal officers cross-checking adverts against the register and the city assigning offenders before the tribunal judiciaire (civil court) — several Paris enforcement rulings of 2024 to 2026 surfaced in the case-law research for this guide. Paris also operates the strictest authorisation practice, historically with a compensation requirement (authorising your change of use against the conversion of other space back to housing). A foreign buyer targeting the 7th, 8th, 16th or 17th arrondissements should therefore treat authorisation as the central deal risk, verify the position with the mairie before signing anything, and discuss the file with a real estate law attorney in Paris before paying a deposit.
II. What Courts Punish and What It Costs: Fines, Lease Termination and Tax
Passing the three gates is an investment; failing them is a liability measured in tens of thousands of euros, a forced return of the flat to residential use, and — if you let through a tenant or a manager who sublets behind your back — the loss of the lease itself. This second part maps each sanction to its text and its case law, then gives the non-resident owner a tax and compliance survival kit.
A. Fines, Forced Return to Housing Use and Terminated Leases
The sanction for unauthorised change of use is a civil fine, not a parking ticket. Article L. 651-2 of the Code de la construction et de l’habitation provides that anyone breaching the change-of-use rules “est condamnée à une amende civile dont le montant ne peut excéder 100 000 € par local irrégulièrement transformé”, which means: is ordered to pay a civil fine of up to 100,000 euros per unlawfully converted unit. The fine is sought by the commune (or the housing authority) before the president of the tribunal judiciaire ruling under the accelerated procedure, and its proceeds go to the commune — which explains municipalities’ enthusiasm. The same article empowers the judge to order the return of the unit to housing use within a set time, then impose a daily penalty of up to 1,000 euros per day and per square metre, and ultimately to have the occupants evicted and the necessary works carried out at the offender’s expense. For a 40-square-metre Paris studio, the theoretical daily penalty alone reaches 40,000 euros a day: the mechanism is designed to make resistance economically irrational within days.
The 3 September 2026 ruling described above is now the controlling statement of what counts as a breach: repeated short lets to a passing clientele without authorisation, with defences based on the civil nature of furnished letting or on co-ownership tolerance discarded as legally inoperative. Combined with the 27 June 2024 ruling, the message to second-home owners is complete: classification does not authorise, tolerance does not authorise, only the mairie authorises. Owners sometimes ask whether they can regularise after the fact by filing for authorisation once caught. Nothing in the statute rewards that sequence — the fine punishes the period of unlawful operation already consumed — and in cities operating compensation schemes, the price of authorisation after enforcement proceedings has started is negotiated from the weakest possible position. The only safe sequence is authorisation first, listing second.
A distinct but equally dangerous front concerns owners who do not let the flat themselves: the long-term tenant who sublets your property on a platform without telling you. Under Article 1717 of the Code civil, “Le preneur a le droit de sous-louer, et même de céder son bail à un autre, si cette faculté ne lui a pas été interdite”, which means: the tenant may sublet, and even assign the lease, unless that right has been withheld — and Article 8 of the Act of 6 July 1989 on landlord-tenant relations requires the landlord’s prior written agreement covering both the sublet and its rent, as the official service-public.fr page on subletting explains. Unauthorised subletting can terminate both the tenant’s lease and the sub-tenant’s title, and the tenant can be ordered to hand over the sub-rents collected, plus damages. The Cour de cassation polices this strictly: in its judgment of 22 June 2022, appeal no. 21-18.612, it quashed a ruling that had refused to terminate the lease of a tenant who was regularly subletting part of the dwelling, holding that the appeal court had failed to assess the gravity of the tenant’s fault in light of the subletting prohibition and the lucrative, repeated use of part of the flat. For the non-resident landlord, the operational lesson is to forbid subletting expressly in every lease, to monitor the major platforms for your own address twice a year, and to act by formal notice at the first advert — a landlord who can prove he tolerated the situation for months weakens his own termination case.
Detection, finally, is no longer a matter of a neighbour’s denunciation. Under Article L. 324-2-1, communes receive platform activity data and automatic alerts when a declared main residence exceeds the day cap; municipal officers then check the register, the authorisation files and the adverts, and assign. The procedure before the tribunal judiciaire is fast, the fine goes to the city that prosecutes, and the daily penalty compounds until compliance. Foreign ownership changes nothing to this machinery — service is effected through the usual cross-border channels, and the flat itself, sitting in Paris or Nice, guarantees enforcement.
B. Tax and the Non-Resident Owner’s Survival Kit
Tax does not require a treatise here, but it requires honest signalling: short-term rental income is taxable in France, non-residence does not exempt it, and the post-reform micro-regime is narrower than many foreign owners assume. Article 50-0 of the Code général des impôts (General Tax Code) sets the gross-turnover ceilings for the micro-BIC (simplified micro-business) regime: “15 000 € s’il s’agit d’entreprises dont l’activité principale est de louer directement ou indirectement des meublés de tourisme”, which means: 15,000 euros for businesses whose main activity is letting tourist furnishings, for unclassified units — against 83,600 euros for classified tourist furnishings. The service-public.fr notice of 27 July 2026 confirms the rebates (30% for unclassified, 50% for classified) and the applicable years: the 77,700-euro classified ceiling for 2025 income declared in 2026, rising to 83,600 euros for 2026 income declared in 2027. Above the ceilings, the real-profit regime (régime réel) applies, with actual-expense deductions and accounting duties. Concretely, an unclassified Paris studio grossing 25,000 euros a year is outside the micro-regime entirely — a frequent surprise for owners who budgeted on the old, far more generous thresholds.
Around income tax sits a ring of secondary duties the foreign owner must not discover by reassessment: registration for French income-tax reporting of the rents; taxe de séjour (tourist tax) collection and remittance where the commune levies it, increasingly via the platform; social charges on rental income, whose treatment of non-residents has generated its own litigation and must be checked against your country of residence and any applicable treaty; and the possible need for a French-based manager or mandataire (agent) when you live abroad, since keys, cleaning, check-ins, controls and urgent works cannot be handled from another continent. None of this is an argument against investing — Paris short-term yields remain among Europe’s strongest — but each item belongs in the pre-purchase spreadsheet, not in the first reassessment notice. For the broader picture of owning French property from abroad, our Paris real estate team regularly assists foreign buyers with the purchase, the letting structure and the disputes that follow.
The survival kit, in order. First, before buying: read the co-ownership rules, obtain the syndic’s written position on tourist letting, and check with the mairie whether the commune requires change-of-use authorisation and under what conditions — make the preliminary contract conditional on these answers. Second, before listing: file the national declaration, obtain the number, display it on every advert, and give the platform the signed compliance statement. Third, while operating: keep a letting diary with guest names and night counts, respect the main-residence day cap and the 90-day same-guest rule, inform the syndic, collect and remit the tourist tax, and verify your insurance covers tourist occupation — a standard multirisque habitation (home policy) often excludes it. Fourth, if you let long-term instead: prohibit subletting in writing in the lease and monitor adverts for your address. Fifth, at the first municipal letter or summons: do not ignore it, do not rush to file a belated authorisation alone, and have the file reviewed — the difference between a regularisation and a 100,000-euro fine is often one procedural step taken in the right order.
Conclusion
France has not banned foreign owners from short-term letting; it has fenced the activity with a registration number, a municipal authorisation, a co-ownership veto, automatic platform reporting, and fines calibrated to hurt. The compliant route exists and thousands of foreign owners use it profitably: a property whose use the commune has accepted, a building whose rules allow it, a number on every advert, nights counted and taxes filed. The non-compliant route — list first, ask later, rely on classification or on the neighbours’ silence — is exactly the fact pattern the Cour de cassation condemned in June 2024 and again on 3 September 2026. Before you publish your first advert, or the day you receive your first municipal letter, put your documents in order and get advice while every option is still open.
Need a quick opinion on your case
If you are buying, letting or defending a short-term rental in France, our office offers a telephone consultation within 48 hours with an attorney of the firm. Call +33 6 46 60 58 22 or write via our contact page with your commune, your registration number if you have one, and any letter received from the mairie.