 He was descended from a family which provided several architects who had worked in Bavaria, Styria and Mainz.He started his career as a Superintendent to Enrico Zuccalli before 1675; in 1678 he was appointed master mason and in 1685 chief architect.Dismissed in 1689, Viscardi worked as an independent architect until he became Zuccalli's successor as chief architect of the Bavarian court in 1706 with the Austrian occupation of Bavaria; he died, aged 67, in Munich, while still in office.