Courthouses in Grundy Center, Iowa, the US. Courthouses locations in Grundy Center, Iowa. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School All courthouses in Grundy Center Closed now Grundy County Courthouse Courthouse +1 319-824-5229 706 G Avenue, Grundy Center, Iowa 50638 Write a review Phone Hours Website Directions Grundy County Judges Chambers Courthouse +1 319-824-5244 706 G Avenue, Grundy Center, Iowa 50638 Write a review Phone Directions