The Prefeitura Municipal de Caxias is the governing body dedicated to enhancing the quality of life for residents in Caxias, Maranhão. With a commitment to community development and public welfare, the municipal government oversees a broad range of services and activities aimed at fostering economic growth, cultural richness, and social inclusivity. Key services include urban planning and infrastructure improvements, such as the Tapa-Buracos operation focused on road maintenance. The government also prioritizes education, showcased through initiatives like the PROUNI Municipal program, which supports local students.

In addition to education and urban development, Caxias emphasizes cultural events, such as the city's vibrant Carnival celebrations, which promote community engagement. The administration is also dedicated to social protection and includes programs for youth empowerment and public health. With accessible communication channels, like their active presence on social media and a commitment to transparency, the Prefeitura Municipal de Caxias is positioned as a dynamic force for positive change in the municipality.