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Clarke County, Iowa - Assessor's Office

The Clarke County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Clarke County, Iowa. You can contact the Clarke County Assessor for:

  • Paying your property tax
  • Checking the Clarke County property tax due date
  • Reporting upgrades or improvements
  • Your property tax bill
  • Appealing your property tax appraisal
  • Information on your property's tax assessment

100 S Main StThe Clarke County Assessor's Office is located in Osceola, Iowa. Osceola is the county seat of Clarke County, where most local government offices are located. The assessor's office is located in the same building as the Clarke County Courthouse, at 100 South Main Street.

Clarke County Assessor Contact Information

Additional Clarke County Information

Clarke County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Clarke County Tax Assessor may also serve as the Clarke County Tax Appraiser.

  1. The Clarke County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Clarke County.
  2. The Clarke County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
  3. The Clarke County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Clarke County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Clarke County about your property taxes, make sure that you are contacting the correct office. You can call the Clarke County Tax Assessor's Office for assistance at 641-342-3817. Remember to have your property's Tax ID Number or Parcel Number available when you call!

If you have documents to send, you can fax them to the Clarke County assessor's office at 641-342-3817. Please call the assessor's office in Osceola before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Clarke County Courthouse at 641-342-3311.


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The median property tax in Clarke County, Iowa is $1,350.00


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