Eau Claire County Board 721 Oxford Ave # 2 Eau Claire, WI 54703 Phone : (715) 839-4835 Business Category Government Offices-County Legislative Bodies Eau Claire County Of--county Administrative Offices, County Board Eau Claire, WI 54703 Phone : (715) 839-4835 Business Category Government Offices-County Government Offices & Public Schools Eau Claire County , Phone : (715) 839-4835 Eau Claire County Business Category