Town Hall Address 2212 Main Ave A Mascoutah, IL 62258 United States- St. Clair County Tax Collector (618) 825-2707 #10 Public Square Belleville, IL 62220 United States Town Hall Hours Monday Closed Tuesday 9AM–12PM, 1–5PM Wednesday 9AM–12PM, 1–5PM Thursday Closed Friday 9AM–12PM, 1–5PM Saturday 9AM–12PM, 1–5PM Sunday 9AM–12PM, 1–5PM County St. Clair