The purpose of this thesis is to conduct a comprehensive structural evaluation of the Church of Santo Stefano. The research is conducted in accordance with the “Norme Techniche per le Costruzioni 2018”, Eurocodes, and Guidelines for Seismic Risk Assessment and Mitigation in Cultural Heritage. The theoretical framework of the study is primarily based on the aforementioned standards and guidelines. The research methodology begins with an extensive data collection process, including the examination of historical records, documentation of modifications over time, and analysis of past extreme events. Additionally, a thorough investigation of the structural materials is conducted, yielding valuable mechanical parameter data.