| 2020-03-15 | Deletion of a delegated commune | 39215 → 39021 | Essia → La Chailleuse |
| 2020-03-15 | Deletion of a delegated commune | 39488 → 39021 | Saint-Laurent-la-Roche → La Chailleuse |
| 2020-03-15 | Deletion of a delegated commune | 39544 → 39021 | Varessia → La Chailleuse |
| 2016-01-01 | Deletion | 39021 | Arthenas |
| 2016-01-01 | Creation of a new commune | 39021 | Arthenas → La Chailleuse |
| 2016-01-01 | Creation of a new commune | 39215 → 39021 | Essia → La Chailleuse |
| 2016-01-01 | Creation of a new commune | 39488 → 39021 | Saint-Laurent-la-Roche → La Chailleuse |
| 2016-01-01 | Creation of a new commune | 39544 → 39021 | Varessia → La Chailleuse |
| 1943-01-01 | Creation | 39021 | Arthenas |