District Court 509.735.8476
- Jacki Lahtinen, Court Administrator - Ext. 3255
- Dixie Jamison, Assistant Court Administrator - Ext. 3248
- Rosemary Hamann, Administrative Assistant to the Presiding Judge - Ext. 3392
- Reva Kirby, Probation Manager - Ext. 3369
- Judge Daniel F. Kathren - Ext. 3392 - Presiding Judge 2017 - 2018
- Judge Terry M. Tanner - Ext. 3392
- Judge Steve T. Osborne - Ext. 3392
- Judge Katharine Butler - Ext. 3392
- Judge John S. Ziobro - Ext. 3392
Prosser Courthouse 509.786.5480