Step 1: Go to the Wayne County Treasurer's Office website: Treasurer.waynecounty. Com Step 2: From the home page, select "Payment Plans" from the menu bar.You may qualify for a selfservice, online payment plan (including an installment agreement) that allows you to pay off an outstanding balance over time. Find Out How Much You Owe on Property Taxes. Wayne County Treasurer. To see if you qualify for an installment payment plan, attach a Form 9465, "Installment Agreement Request," to the front of your tax return. If you would like to find out the status of your delinquent real property taxes with Wayne County, go to the Wayne County web page. Penalties and interest are added onto the tax bills if not paid when due.