Property tax in Dunkerque in 2026: a frozen rate, but household waste charges among the most expensive in France

1. What is the property tax rate in Dunkerque in 2026?

As the 2026 rates have not yet been published by the Direction générale des finances publiques, the calculations in this article are based on the 2025 rates, the latest available. A rate change voted in spring 2026 would be visible on your notice, in the "commune" (municipality) column.

The tax base is equal to half of the cadastral rental value of your home. In Dunkerque, more than two thirds of this base goes back each year in tax, and the Communauté urbaine, which levies no share of built property tax, only appears on your notice through the household waste line.

2. Why does the household waste collection tax weigh so heavily in Dunkerque?

The household waste collection tax is not calculated on the volume of waste you produce. It applies to the same base as property tax, and therefore to the cadastral rental value: a large flat in Malo-les-Bains pays more than a studio in Petite-Synthe, even if it produces as much waste.

On the built property rate alone, Dunkerque sits in the upper average, in 24th place among the 123 large towns of mainland France. It is the addition of the household waste collection tax that lifts it to 6th place for the total levy, behind Saint-Quentin, Montauban, Grenoble, Narbonne and Albi (Immover processing, DGFiP 2025). The ranking only includes towns that apply a full-rate household waste collection tax.

For a landlord, the household waste collection tax has a useful feature: it is one of the charges recoverable from the tenant. In Dunkerque, around a quarter of the notice can thus be re-invoiced to the tenant, which is not the case for property tax itself.

3. Where does Dunkerque stand among the municipalities of the Communauté urbaine?

Since the household waste collection tax and the absence of an inter-municipal share are common to the 17 towns, the differences stem solely from the choices of each municipal council and from the inter-municipal syndicates the municipality belongs to.

The gap with Grande-Synthe is the most telling for a buyer hesitating between the two towns: for an equal base of 1 000 €, the Grande-Synthe notice costs around 570 €, against 693 € in Dunkerque. Comparable homes must however be compared: rental values are not the same from one municipality to another, and it is often the base, more than the rate, that makes the difference. Outside the urban area, see our article on property tax in Calais.

4. Why has your notice risen without a rate increase?

The mechanism is national and automatic: since 2018, the rental values of homes have tracked recorded inflation. When consumer prices soared in 2022, the 2023 notice jumped by more than 7 % in one go.

The small variations in the overall rate from one year to the next, between 51,29 % and 51,69 %, stem from the syndicate contributions and ancillary taxes, never from the municipal share. Of the increase of around 126 € in the typical notice, around 32 € comes from the household waste collection tax alone applied to a higher base.

5. Simulator: where does each euro of your Dunkerque notice go?

On a base of 1 000 €, the Dunkerque notice reaches around 693 €: 484 € for the Town, 178 € for household waste and 31 € for the syndicates and ancillary taxes. The same base would cost 122 € less in Grande-Synthe and 58 € more in Coudekerque-Branche.

6. How much do you pay depending on your profile?

Dunkerque is a town of flats: 58,1 % of its 47 346 homes, against 40,7 % houses (INSEE, the French statistics institute, 2023 census). The profiles below are anchored in real neighbourhoods and in the prices per m² from our processing of DVF sales (the French notarised sales database). They apply the total rate of 69,27 %.

The studio in Petite-Synthe, valued at around 44 000 €, bears the heaviest charge in proportion: nearly 0,9 % of its value each year, twice as much as a flat in Malo-les-Bains. This is the effect of the 1970 rental values, which do not follow the current price hierarchy between neighbourhoods.

7. What does a second home or an empty home cost in Dunkerque?

The decree of 22 December 2025, which updated the list of municipalities in high-demand housing areas, leaves Dunkerque outside the zoning, like the sixteen other municipalities of the Communauté urbaine. As a result, the Town cannot apply a surcharge to the residence tax on second homes, and an empty home is only taxed if the municipality has voted a residence tax on vacant homes, which would then appear on a separate notice.

The residence tax is calculated on the full rental value, that is twice the property tax base: this is why it exceeds property tax itself for a second home. For a landlord, the household waste collection tax included in the 485 €, around 124 €, remains recoverable from the tenant. From the 2027 tax year, the 2026 finance act replaces the two vacancy taxes with a single tax on the vacancy of residential premises.

8. Will the rate change during the new term of office?

Political continuity is clear. The "Bien vivre à Dunkerque" list won comfortably ahead of the Rassemblement national list led by Adrien Nave (21,24 %). The budget orientation debate of 30 March 2026 focused on the need to make savings, disputed by the opposition, with no announcement of a rate increase.

The local context cuts both ways. The industrial projects announced at the port, including the battery plants of Verkor and ProLogium, promise several thousand jobs and increased demand for housing. New construction broadens the Town's tax base without touching the rate, which gives it some room for manoeuvre.

9. What effect on the value of your property in Dunkerque?

The gap between neighbourhoods is marked: around 1 458 €/m² in Petite-Synthe and 1 560 €/m² in Basse-Ville, against 3 124 €/m² in Malo-les-Bains, facing the sea. Over five years, the Centre and Rosendaël have risen by around 37 %.

For a seller, the figure of 69,27 % impresses a buyer coming from another region. It is more effective to present the actual notice of the home, line by line, pointing out that the household waste collection tax can be re-invoiced to a tenant and that the municipal rate has not changed in five years. Faced with a buyer comparing with Grande-Synthe, the gap amounts to tens of euros a month, not thousands. The first step remains knowing the real value of the property:

For the breakdown by area, our page on property prices per m² in Dunkerque gives the price of each of the six neighbourhoods covered.