Modernização do espaço urbano de Assis - SP: o Código de Posturas de 1918

The study aims to analyze the impact of the 1918 Código de Posturas (Municipal Code of Conduct) in the city of Assis, São Paulo, considering the context of urban and social transformations of the early 20th century. The research is based on a qualitative and historical approach, utilizing documentary analysis of the Municipal Code of Assis, complemented by a literature review on conduct codes in colonial and imperial Brazil. The methodology includes a comparison between the Municipal Code of Assis and that of Presidente Prudente, exploring the implications of these regulations for urban governance and the modernization of urban spaces. The results discuss the role of the Municipal Code as an instrument of state power centralization and standardization of urban norms, highlighting its contribution to the organization of urban space, regulation of social and economic practices, and promotion of public health. The research concludes that the Municipal Code of Assis was fundamental for the modernization and standardization of urban norms, reflecting the social and sanitary demands of a rapidly expanding city.