Important Dates

  • January 1: All taxable property is listed, valued, and assessed for taxation.
  • March 1: Second installment of prior year property tax due, it is considered delinquent after May 10.
  • March 1: Taxpayers must file a listing of taxable personal property with the county assessor.
  • March 1: Land owners must file mineral exemption forms.
  • On or before the fourth Monday in April: Notice of Assessment schedules are mailed to taxpayers.
  • Fourth Monday in May: Qualified veterans (or surviving spouse) shall file for property tax exemption, if using for real estate tax.
  • No later than July 31: All special districts inform the assessor and county commissioners of the amount of tax to be collected.
  • Third Monday in August: County assessor computes taxes and delivers assessment roll to county treasurer for collection.
  • September 1: First installment of current year property tax is due, it is considered delinquent after November 10 unless all taxes are paid by December 31.
  • On or before October 10: County treasurer sends tax bills, including property description, assessed value, and mill levies, to each taxpayer at last known address.