O'Fallon City Hall in O'Fallon, IL

Find O'Fallon City Hall in O'Fallon,St. Clair County,IL to get information on Voter Registration, Building Permits, Business Licenses, Property Taxes, Utility Billing, and Marriage Licenses
O'Fallon City Hall
255 South Lincoln Avenue, O'Fallon, IL 62269
618-624-4500

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