On his early years he worked together with his brother Bernardo, mostly restoring churches and monuments.
After the brothers split, Calderón continued his work until the 1980s, when he became a restoration project manager himself.
After the 1985 earthquake in Mexico City, Calderon became a member of the professional group that assessed the remaining buildings' structural conditions.
[3] Calderón main professional activity was architectural restoration, which he did for landmarks such as Casa de los Azulejos.
During the late 80's he took a trip to Europe, to paint castles by the Loire river.