Butler County Iowa
Public service in Iowa
Last verified Mar 22, 2026
About Butler County Iowa
Welcome to the Butler County Assessor's Office
Dave Wangsness, Assessor
Karla Voss, GIS Map Specialist
Chad Jensen, Field Appraiser
Rashelle Lewis, Office Manager
Linde Janssen, Field Appraiser
P: (319) 346-6545
F: (866) 881-7107
Mon - Fri: 7:30am - 4:30pm
Butler County Courthouse
428 6th St. Po Box 325
Allison, IA 50602
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