(OLNEY) The Richland County Treasurer’s Office is reminding all landowners that the first installment of the 2017 real estate taxes in Richland County is due this Thursday, July 5. While the tax payments can be paid in person at the Courthouse Treasurer’s Office from 8:00 to 4:00 weekdays, by mail with a July 5 postmark, or by using the drop box on the south side of the Courthouse by July 5, a 1.5% penalty will apply to all late payments made after July 5. Remember, the Richland County Courthouse offices will be closed tomorrow in observance of Independence Day. All offices will reopen with regular office hours Thursday. The second real estate installments are due September 5, the mobile home tax bills are due July 31.