You can complete online payments, print payment vouchers, and look up your balance for this tax on the Philadelphia Tax Center. Forms and instructions to use when filing City tax returns.Forms include supplementary schedules and worksheets from 2009 to present. Requests for tax records must be submitted using this form. Once completed, use these instructions to submit your application. ​. What if I already paid my taxes? For additional tax types, please copy this form and complete. Return immediately to the HUD HOC. You may pay your real property tax bill with a check or money order payable to the "DC Treasurer. The directions on most tax bills direct you to return payment to PO Box 70519, PHILADELPHIA, PA 19176-0519.