• City of Ottawa

    • Government
    • City/ Village/ Community
    301 W. Madison
    Ottawa, IL 61350
    (815) 433-0161
    • About

      301 W Madison Street officially became City Hall on Sept 13, 1965 when Mayor Dan Riordan moved the City┬┤s business offices from 422 LaSalle St where they shared offices with the Police & Fire Depart.