January 12, 2026- Board of Revision @ 9:15am in the Clinton County Auditor's Office
January 16, 2026- CAUV renewals and new applications to be mailed
January 19, 2026- Auditor's Office closed in observance of Martin Luther King Day
January 20, 2026- Budget Commission @ 2pm in the Clinton County Auditor's Office
January 31, 2026- Last day to purchase dog tag without penalty
February 14, 2026- Real estate first half tax bill due date
February 16, 2026- Auditor's Office closed in observance of President's Day
February 17, 2026- Budget Commission @ 2pm in the Clinton County Auditor's Office
March 1, 2026- Manufactured home first half tax bill due date
March 2, 2026- Last day to file CAUV in Auditor's Office
March 17, 2026- Budget Commission @ 2pm in the Clinton County Auditor's Office
March 31, 2026-Last day to file Board of Revision Complaint in our office
April 21, 2026- Budget Commission @ 2pm in the Clinton County Auditor's Office
Fourth Monday of the month: Cigarette license renewal deadline
May 19, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
May 25, 2026- Auditor's Office is closed in observance of Memorial Day
June 19, 2026-Auditor's Office is closed in observance of Juneteenth
June 16, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
July 1, 2026- Puppy tags on sale
July 3, 2026- Auditor's Office is closed in observance of Independence Day
July 21, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
July 20, 2026-Real estate second half tax bill due date
July 31, 2026-Manufactured home second half tax bill due date
August 18, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
First Monday of the month-Last day for local governments to certify special assessments for collection on the tax list
September 7, 2026- Auditor's Office is closed in observance of Labor Day
September 15, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
October 1, 2026- All taxing authorities must accept tax rates
October 1, 2026- Fraternal Organization Exemption Renewals DTE23V due
October 12, 2026- Auditor's Office is closed in observance of Columbus Day
October 20, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
November 1, 2026- 3rd Annual Coloring Contest
November 11, 2026- Auditor's Office is closed in observance of Veterans Day
November 17, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
November 26-27, 2026- Auditor's Office is closed in observance of Thanksgiving
December 1, 2026- Dog tag license sale begins & coloring contest ends
December 15, 2026-Budget Commission @ 2pm in the Clinton County Auditor's Office
December 25, 2026- Auditor's Office is closed in observance of Christmas