WABASH COUNTY, IN- The Wabash County Treasurer's Office announces Spring real estate taxes are due May 11th, 2026.  The Treasurer's office inside the Wabash County Courthouse is open from 8:00-4:00.  You can pay at the Treasurer’s office, online, drop box at the basement door of the Courthouse or any bank except Beacon Credit Union.  If you are waiting to mail tax bills around May 11th, go into the post office and have them postmark it for you.  If you have not received your tax bills, please call the Treasurer’s office at 260-563-0661 ext. 1291.