Courthouse Hours:
Treasurer
M-F 8:30 AM - 4:00 PM
Assessor/Auditor/Recorder
M-F 8:00 AM - 4:30 PM
Supervisors
M & W 9:00 AM - 4:00 PM
First Judicial District Court Judges
Consisting of the counties of Allamakee, Black Hawk, Buchanan, Chickasaw, Clayton, Delaware, Dubuque, Fayette, Grundy, Howard, and Winneshiek
| District Judges | Address |
| Alan L. Pearson, Chief Judge | Dubuque |
| Monica Ackley | Dubuque |
| Margaret Lindgren | Postville |
| James D. Bauch | Waterloo |
| John Bauercamper | Waukon |
| Todd Geer | Grundy Center |
| George L. Stigler | Waterloo |
| Lawrence Fautsch | Dubuque |
| John Fister | Waterloo |
| Thomas Bower | Grundy Center |
| Karl Briner | Waterloo |
| Bruce Zager | Waterloo |
| Kellyann Lekar | Waterloo |
| Stephen Clarke | Waterloo |
| Associate Judges | Address |
| Randall J. Nigg | Dubuque |
| J. David Coil | Waterloo |
| Joseph Moothart | Waterloo |
| Nathan Callahan | Waterloo |
| Richard R. Gleason | Dubuque |
| Gus Johnson | West Union |
| Jeffrey Harris | Grundy Center |
| Senior Judges | Address |
| James Beeghly | West Union |
| Robert Curnan | Dubuque |
| L. D. Lybbert | Waterloo |
| Walter Rothchild | Waterloo |
| Associate Juvenile Judges | Address |
| Alan D. Allbee | West Union |
| Jane Mylrea | Dubuque |
| Daniel Block | Waterloo |
| Clayton County Magistrate | Address |
| Linzy Martin | Strawberry Point |
© 2010 Clayton County, Iowa