The Taxpayer Relief Act provides for property tax reduction allocations to be distributed to school districts through a "homestead or farmstead exclusion." Fill in the parcel number of the property for which you are seeking a homestead exclusion.You can find the parcel number on your real property tax bill. Employers are required to stop withholding the LST if an employee provides an exemption certification. This worksheet only calculates your base property taxes, with an adjustment for the homestead exemption for County taxes if applicable. Do you claim anywhere else as your primary residence? Yes. No. Is your residence part of a cooperative or a condominium where property taxes are. How to apply for the Homestead Exemption to reduce your Real Estate Tax bill if you own your home in Philadelphia. The filing deadline for all Discount Extension Forms will be December 31 of the current tax year. City of Pittsburgh Tax Abatement Application.