Thursday deadline for tax payment December 30, 2020 - 00:00 Posted in: News County Treasurer Robin Rother reported that 30.85 % of Kingfisher County’s ad valorem tax bill had been paid as of Monday. Total collections totaled $12,738,590.50 of the total abstract certified for collection — $41,289,887.00. Rother reminded that Thursday is the deadline to pay 2020 ad valorem tax under state law. If the tax ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!