Update March 19, 2013: As of Tuesday, March 19th, 2013, all delinquent property taxes, excluding vehicle taxes, have been transferred to the Delinquent Tax Office for collection. Our office is located in Room 111 of the Oconee County Administrative Office at 415 S. Pine Street, Walhalla, SC 29691. Vehicle taxes, even those that are late, are payable in the Oconee County Treasurer's Office.