Property tax payment deadline
Fleuris shows the general date published by the tax authority, unchanged. Your own notice wins if your situation is different.
The text below is the alert file. If it is missing, the page does not offer a replacement date.
Property tax
In 2026, online payment (web, phone or tablet) is open until 20 October. For any other method, the deadline is 15 October.
Source: impots.gouv.fr · As of 17 Sept