Assessor

Overview of the CourthouseThe Mills County Assessor's Office is responsible for classifying and valuing all property within the jurisdiction of Mills County for tax purposes. The Assessor's office also processes applications for certain tax-saving exemptions, including homestead and military exemptions. Real property is revalued every two years. The effective date of the assessment is January 1st of the current year. The assessor determines a full or partial value of new construction or improvements depending upon the state of completion as of January 1st.

The Assessor's office is dedicated to providing courteous, professional, and accurate service to the residents of this county with respect to the analysis of property data and value set.

Mills County Local Board of Review Agendas

The 2021 Regular Session of the Board of Review has ended. Any questions can be directed to the Assessor's Office.

2021 Assessment Notices


The Mills County Assessor’s office will be sending out assessment notices on properties that have a change in value, informing them of January 1st assessment. The new value will be basis for property taxes payable Fall of 2022 and Spring of 2023.

Many Iowa property assessments increased in 2020 despite the COVID-19 pandemic.

It was believed that COVID-19 would have a negative effect on the values of real estate.

This has been quite the opposite for the majority of properties. The residential housing market has seen an unprecedented rise in values over the last couple of years and the trend is continuing in 2021.

This correlates with low interest rates, reduced inventory, and increased demand. Due to higher sale prices many property owners will see an increase in their property assessment.

Assessments are required to be fair market value .

You may call the Mills County Assessor’s office at 527-4883 for any questions.

Property Values

If you desire further information, questions concerning property values or other information relating thereto should be addressed to the assessor's office in the respective jurisdiction and not the Board of Supervisors or Treasurer. The assessors of Iowa hope that the information contained herein will be of value to the property owner and has clarified some of these questions and issues relating to assessment and the applicable laws.