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About
Assessor
Welcome to the Butler County Assessor's Office
Dave Wangsness, Assessor
Karla Voss, GIS Map Specialist
Chad Jensen, Field Appraiser
Rashelle Lewis, Office Manager
P: (319) 346-6545
F: (866) 881-7107
Mon - Fri: 7:30am - 4:30pm
Butler County Courthouse
428 Sixth Street
P.O. Box 307
Allison, IA 50602
About the Assessor
Assessors are appointed to their position by a Conference Board consisting of the members of the Board of Supervisors, the Mayors of all incorporated cities, and a member from each school district within the jurisdiction. A city with a population of ten thousand or more may elect to have their own assessor.
Assessors Duties
The assessor is charged with several administrative and statutory duties. The primary duty and responsibility is to make sure all real property within his or her jurisdiction is assessed except where the law provides otherwise. This includes residential, commercial, industrial and agricultural classes of property.
Misconceptions about the Assessors
The Assessor does not:
The Assessor is concerned with value, not taxes.
- Collect taxes
- Calculate taxes
- Determine tax rate
- Set policy for the Board of Review
The Assessor is concerned with value, not taxes.
Property Tax Credits & Exemptions
On values determined as of January 1, one does not start to pay taxes until 18 months later.
The "roll back" is the percentage of actual value that is determined by the Director of Revenue and Finance each year on the several classes of property where the total value increase statewide exceeds four percent for each class of property. The percentage so determined by the Director of Revenue and Finance is certified to and applied by the local county auditor to all property in each class affected throughout the state