Journées du patrimoine 2025: visits to arrondissement town halls in Paris

Paris reveals itself in a whole new light this third weekend in September... And with good reason! The Journées du Patrimoine are back in Paris! The 42nd edition of this European cultural event is as exciting and full of surprises as ever, as we discover the various places of interest in the City of Light.

Little-knownmuseums, hidden corners, private mansions usually closed to the public, behind-the-scenes tours of major institutions: the Heritage Days are an opportunity to visit exceptional, unusual and secret places... Or learn more about places you thought you already knew!

• To be read
• Heritage Days 2026 in Paris and Île-de-France: Dates and Theme for This Year
• Journées du Patrimoine 2025 in Paris (75): full schedule of visits by arrondissement
• This week's best deals in Paris and Île-de-France, March 30 to April 5, 2026

You've probably already been to your local town hall to ask for information or complete an administrative procedure... What if you went back to discover all its secrets? On September 20 and 21, 2025, for the Journées du Patrimoine (Heritage Days), several Paris arrondissement town halls are opening their doors to the general public, and enticing us with special tours and events.

Discover the program of these Parisian town halls, for the 42nd Journées du Patrimoine :

5th arrondissement town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

7th arrondissement town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

8th district town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

9th district town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

10th arrondissement town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

11th arrondissement town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

Mairie annexe du 14e arrondissement

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

20th arrondissement town hall

Aucun événement annoncé à ce jour, le programme est mis à jour en fonction des annonces officielles.

And since you're in the area, find out what else you can do in these arrondissements. And don't forget to take a look at the events scheduled atHôtel de Ville.

Journées du Patrimoine 2025 in Paris (75): full schedule of visits by arrondissement
For the Journées du Patrimoine 2025 in Paris, the capital's historic and artistic monuments and landmarks are opening their doors (often free of charge) to let us in on their secrets. Don't miss this not-to-be-missed event, scheduled for the weekend of September 20 and 21, 2025, on the theme of "Architectural Heritage". [Read more] 

Journées du Patrimoine 2025: Visit to Hôtel de Ville - Mairie de Paris, the program
For the Journées du Patrimoine 2025, the Hôtel de Ville de Paris is exceptionally opening its doors for free tours. Join us on Saturday September 20 and Sunday September 21, 2025 to discover the office of the Mayor of Paris, the Hôtel de Ville library, the Council Chamber and the salons d'apparat. We reveal the program. [Read more]