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Left to right: Ladonna Wittrock, Deputy, Barb Rohwer, Auditor and Maureen Thompson, Deputy.


The County Auditor is responsible for a variety of functions and duties. The main functions

  • Commissioner of Elections (federal, state, county, city and school district)
  • Preparing and certifying tax levies
  • Maintaining financial records
  • Clerk to the Board of Supervisors
  • Keeping Real Estate Transfer Records
  • Maintains a drainage record for all drainage districts of the county
  • Payroll and Human Resources Manager


O’Brien County Auditor’s Office
155 S Hayes Ave.
PO Box 380
Primghar, IA 51245

Phone 712-957-3225

8am-4:30pm, Monday-Friday
Closed weekends & holidays

Barb Rohwer, Auditor

Maureen Thompson, Deputy Auditor

Ladonna Wittrock, Deputy Auditor