They are due quarterly on February 1st, May 1st, August 1st, and November 1st. There is a 10 day grace period. paytaxes.Payment Plans are available for Fall, Winter, Spring and Summer terms. When enrolled in a Payment Plan, please be mindful of payment Installment Due Dates. An updated list of the School of Medicine eBill schedule and payment dates can be found here. Wayne County Tax Claim Bureau conducts Tax Sales under the general provisions of The Pennsylvania Real Estate Tax Sale Law Act 542 of 1947 and its Amendments. Close submenu ( Payment Plans) Payment Plans.