Income tax return, property tax… the key dates to remember from the 2025 tax calendar

Lots of dates to check off. At the start of 2025, the government has just published on its website the tax calendar for the coming year, in order to help taxpayers anticipate major tax deadlines and not be caught off guard by all these administrative procedures. and financial.

January 15 is the first date to tick in the 2025 calendar, with a first deduction for taxpayers who have opted for the monthly payment of taxes such as property tax or housing tax. These samples will be taken every 15th of the month, except when this day is a public holiday, such as August 15, or falls on a weekend.

Good news, mid-January also marks the payment of an advance for taxpayers who benefit from credits and tax cuts such as those who gave to associations, those who employ an employee at home or those who look after their children. Those who have carried out work via MaPrimeRenov’ and those who have installed an electric charging station will also receive an advance on these expenses, called tax credit.

Like every year, French workers will have to declare their income from the previous year, therefore from 2024, from the spring. If the exact dates are not yet known, there is no doubt that like every year, the opening date for the tax return will take place during the month of April, initially with the sending of the paper forms, then secondly the opening of the online declaration service.

As a reminder, only taxpayers unable to declare their income online, such as people who have difficulty with computer equipment or those living in a white zone, can use paper forms.

If once again the exact dates have not yet been revealed by the tax authorities, taxpayers will have to have made their declaration during the month of May or June depending on their method of declaration and their place of residence.

Those making their declaration by post must have completed it around mid-May, before taxpayers in departments 01 to 19 and non-residents must complete it a week later and households in departments 20 to 54 the following week. Those living in departments 55 to 974/976 will have an additional week to complete their declaration.

A few days later, the owners of real estate must specify to the tax administration in what capacity the premises they own are occupied, that is to say whether they are occupied as a primary or secondary residence, or whether the accommodation is rented or vacant. This declaration must be made before July 1 if it was not done last year, or in the event of a change in the occupation situation of one of the properties.

The month of July also marks the period of refund from the tax administration if the taxpayer’s situation has changed and too much has been withheld at source. This is also the period during which the online tax return correction service will open, until December 2025.

From September, a withholding tax rate will be recalculated by the tax administration, which is based on the income tax return completed in the spring, so that it better corresponds to the financial situation of the taxpayer.

Those who have not paid enough income tax in 2024 will have to pay the balance before September 15 if they do not pay online. Online, they will have until September 20 at midnight, while the direct debit will begin on September 25. If the amount to be paid is greater than 300 euros, the direct debit will be divided into four installments: a first on September 25, a second on October 27, a third on November 27 and the last on December 29. These are the same deadlines for people subject to real estate wealth tax.

In 2025, owners will have until October 15 to pay their property tax if they do not use the online service. Online, they will have until October 20 to do so, for a withdrawal made on October 27, just like the second income tax withdrawal.

Taxpayers affected by real estate wealth tax will have until November 17 to pay it. If they file the declaration online, they will have until November 22, for a withdrawal made on November 27, as the third income tax withdrawal.

For the housing tax and that of vacant housingthe limit is set at December 20 online and at December 15 with another means of payment, for a withdrawal on December 29, as the last income tax withdrawal. If you spot an error on your property tax, claims must be made before December 31.