Grundy County Tax Collector 68 Cumberland St # 116 Altamont, TN 37301 Phone : (931) 692-3369 Business Category Government Offices-County Legislative Bodies Public Finance Taxation & Monetary Policy Grundy County Of--trustee & Tax Collector 68 Cumberland Dr Mc Minnville, TN 37110 Phone : (931) 692-3369 Business Category Government Offices & Public Schools