By law, Platte County residents and business owners are required to file their personal property with the Assessor each year. To avoid late penalties, please refer to these important dates for filing your annual assessment.
January 1 --- All personal property is assessed as it exists on this date
March 1 --- The last day to file personal and business property without penalty
Prior to July 1 --- Informal hearings for assessment disagreements (Prior to BOE)
May 1 --- Late filing fees assessed
Before 2nd Monday in July --- Deadline for filing appeals to the Board of Equalization (BOE)
September 30 --- Deadline to file appeals to the State Tax Commission is Sept. 30th or 30 days after the date of your Board of Equalization Decision Letter. (Must have a BOE appeal to file)
November --- Collector mails tax bills
December 31 --- Last day to pay county taxes without penalty
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