Fall property tax collections for Delaware County residence are due Tuesday, November 12, 2019. November 12, 2019 is the deadline for Fall Property Tax Payments. Taxes may be paid at the Treasurer’s Office, Monday through Friday, from 8:30am to 4:00pm. Payments may be made at local banks, sending the installment through the mail, or by visiting www.co.delaware.in.us/taxpayments.