Director   Deputy Director
Kyle Helseth   Diane Rypkema

Mailing Address:


Fax Number:

Minnehaha County Equalization Office


(605) 367-7870

Administration Building, 3rd Floor


415 N. Dakota Ave.


Hours of Operation:

Sioux Falls, SD 57104


8:00 a.m. - 5:00 p.m. Monday - Friday (including the noon hour)
*Excluding Holidays


Phone Number:



(605) 367-4228


The Minnehaha County Director of Equalization is appointed by the Minnehaha County Board of Commissioners. 
     The function of the Director of Equalization Office is to annually value all real property in Minnehaha County at its full and true value.  The Director of Equalization and his staff are responsible for discovering, listing and valuing all real property within Minnehaha County.  They are also responsible for linking real properties to their respective owners and placing assessed values and owners' names on the assessment roles.  Types of properties Included in the assessment process are; residential, commercial, industrial and agricultural classes of property.  The office is responsible for determining the taxable value of over 65,000 parcels.  The tax base in Minnehaha County is approximately 10.0 billion dollars. 
             The Director of Equalization has a number of additional responsibilities which include  providing equalization between classes of property; deciding on adjustments to properties; reviewing all abatements; administering all state laws pertaining to the ad valorem property tax assessment; providing for the review and appeal of assessments; testifying in court on assessments; and deciding on tax exemptions and tracking each exemption.

            The Director of Equalization and his appraisal staff must be certified by the South Dakota Department of Revenue in order to assess real property for tax purposes.  After initial certification appraisers must be re-certified every five years.  Requirements for re-certification include; attending and passing the annual Department of Revenue sponsored school; attending workshops, and attending the South Dakota Association of Assessing Officers Conferences.
Minnehaha County Administration Building

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