| Bénézet de Ribère - Lord of Costebelle | Initial owner of the land. |
| Jean-Baptiste Franque - Architect | Author of the initial project in 1723. |
| Duc de Galéans-Gadagne - Owner and sponsor | The construction began in 1751. |
| Madame de Gadagne - Inheritance | Divorced to get the hotel back. |
| Baron Louis Pertuis de Montfaucon - Mayor of Avignon | Buyer in 1824, mayor from 1826 to 1830. |
| Armand de Pontmartin - Literary criticism | Tenant between 1833 and 1842. |