Ohio Dept. of Taxation Services Check State Refund Ohio. OH Tax Refund Status Ohio Dept. of Taxation Services Where’s My Refund? Ohio OH - Ohio Tax Refund Status Ohio Dept. of Taxation Services www.tax.state.oh.us/PROD/WheresMyRefundWeb OH Tax Refund Status Where’s My Refund? State Refund Ohio Tax Refund Status www.tax.state.oh.us/PROD/WheresMyRefundWeb Ohio