Important Points About Property Taxes

• Current assessed values are based on calendar years - as of January 1 and can be found on the Property Search page.
• Taxes are calculated by the Story County Auditor for fiscal years, July 1 through June 30 using the previous year assessment.
• Property taxes are payable to the Story County Treasurer in two installments.
  • The first half is delinquent October 1.
  • The second half payment is delinquent April 1.
  • Contact the County Treasurer for more details on paying property taxes (515-382-7330).
• A house built during 2022 will be first assessed for January 1, 2023.
• The assessed values for January 2023 will be the basis for taxes due in the fall of 2024 and spring 2025.
• For more information about property taxes in Iowa, please visit the Iowa Department of Revenue's Web site at tax.iowa.gov/iowa-property-tax-overview

Rollback Percentages and Levies/Tax Rates (Current and Historical)

• Assessment Limitations 
• Tax Levy Rates

Estimate Your Property Tax

• The Story County Treasurer has provided this tool to help you estimate your property tax:

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