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Assessor Training Accreditation Program

The Assessor Training Accreditation Program, or ATAP, is an Outreach & Extension Program of the Center for Local Government Technology at the College of Engineering, Architecture and Technology at Oklahoma State University.

Duties of the County Assessor:

The County Assessor is charged with several administrative and statutory duties; however, the primary duty and responsibility is discover, list, appraise, and assess all real property and all personal property within his/her jurisdiction for taxation purposes, except as otherwise provided by law. This would include residential, commercial, and agricultural classes of property, and all personal property.


The effective date of the appraisal is January 1st of every year. By law, the Assessor is required to perform a visual inspection of each property as least once every four years and also is required to value and assess new construction or other improvements the following January 1 after discovery. The County Assessor is required to maintain permanent records and files on all information collected

ATAP Links: 

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