De Soto City Clerk 17 Boyd St De Soto, MO 63020 Phone : (636) 586-3326 Business Category Government Offices & Public Schools De Soto Water Department 17 Boyd St De Soto, MO 63020 Phone : (636) 586-3326 Business Category Water & Sewage Companies-Utility Water Supply De Soto Finance Office 17 Boyd St De Soto, MO 63020 Phone : (636) 586-3326 Business Category Government Offices-City Village & Twp Legislative Bodies De Soto Municipal Court 17 Boyd St De Soto, MO 63020 Phone : (636) 586-3326 Business Category County Government-Courts City Government-Courts Courts