Butler County Treasurer Donna Farthing wishes to remind you the first half of 2022 Taxes are due on or before December 20, 2022. Taxes paid through escrow are due before January 31, 2023. Those filing a Payment-Under-Protest must return the protest form at the time of payment. Protest forms with instructions to pay online or file an appeal are available at www.bucoks.com/500/Protesting-Taxes . Contact the Treasurer’s Office with questions at 316-322-4210.