Paris Mayor Intervenes in Montparnasse Tower Renovation Dispute Among Co-Owners
On July 27, 2026, Paris Mayor Emmanuel Grégoire convened the main co-owners of the Montparnasse Tower to mediate a long-standing dispute over the building's renovation, which has been stalled since 2015. The project, now estimated at 800 million euros, faces tight deadlines as the building permit expires at the end of November 2026. Co-owners recently approved asbestos removal preparations but made the start of work conditional on resolving internal disagreements, primarily over floors designated for a hotel and surface exchanges. Mayor Grégoire positioned himself as a guarantor of Parisian interests while acknowledging the project is private. A second meeting is planned for after summer, with the mayor urging co-owners to work collaboratively. The renovation envisions transforming the tower into a glass structure with terraces, a hotel, shops, and a rooftop greenhouse.
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