In 1987, Jean-Luc Moudenc joined the Toulouse City Council on the list of Dominique Baudis, who was Mayor of Toulouse at the time. He was in charge of "Relations with student associations".
In 1992, he became the youngest regional councillor in the Midi-Pyrénées on Marc Censi's list. He launched the "University 2000 Plan" which paved the way for the conversion of the former tobacco factory, the professionalized university institutes of Paul Sabatier University, the extension of the National Institute of Applied Sciences (INSA) and the setting up of the School of Agriculture. He also contributed to the preparation of the UNESCO classification of the Canal du Midi4.
In 1994, he was elected general councillor for the Canton of Toulouse-9. He became the youngest general councillor in Haute-Garonne.
In 2001, he was re-elected to the general council with 57% of the votes and resigned from his regional mandate.
In 1995, he was re-elected to the City Council on the list of Dominique Baudis, who entrusted him with the delegation of urban transport. He became the chairman of Semvat, which manages transport in the Toulouse conurbation.
From 1998 to 2001, he was vice-chairman of the joint public transport association (SMTC) which later became Tisséo, and pushed for the development of the Urban Transport Plan which provided a framework for the development of transport in the conurbation from 2001 to 2012. He also led the project to create Line B of the Toulouse metro and launched the work on Line T1 of the Toulouse tramway.
In 2001, he became third deputy in charge of urban transport and urban planning and supervised several urban planning operations such as the Val de Limayrac, the Ponts-Jumeaux, Job, the Avenue de Lombez and promoted the Cartoucherie, Montaudran, Niel and Borderouge North projects.
He was Mayor of Toulouse from 2004 to 2008, following the resignation of Philippe Douste-Blazy, and became Deputy for the Haute-Garonne in 2012.
At the top of a list of Union of the Centre, the Right and the Civil Society, he was elected Mayor of Toulouse and President of Toulouse Metropole in spring 2014. At the same time, he was elected President of the Association of Mayors of Large Cities in France (AMGVF).
He then resigned from his mandate as a Member of Parliament in order to devote himself to his local mandates.
In 2015, the Association of Mayors of Large Cities in France (AMGVF) merged with the Association of Urban Communities in France (ACUF) to create France Urbaine. Jean-Luc Moudenc was then elected President of this new association which represents 96 large cities and inter-municipalities and 30 million inhabitants.
Since 2020, he has been the first vice-president of France Urbaine.
He was re-elected Mayor of Toulouse and President of Toulouse Métropole in June 2020.
2007: Knight of the Legion of Honour
2005: Commander of the Spanish Order of Civil Merit
by King Juan-Carlos I of Spain