Grundy Grundy County 706 H AvenueSuite 1Grundy Center, Iowa 50638Phone: (319) 824-6779Fax: (319) 824-6921 CountiesAllamakee Black Hawk Butler Cerro Gordo Chickasaw Clayton Emmet Fayette Floyd Grundy Hancock Howard Humboldt Mitchell Pocahontas Tama Webster Winneshiek Wright