The Homestead Exemption reduces the taxable portion of your property assessment if you own your primary residence in Philadelphia. The Taxpayer Relief Act provides for property tax reduction allocations to be distributed to school districts through a "homestead or farmstead exclusion."Act 7 of 2007 amends the Local Tax Enabling Act, Act 511 of 1965, to make the following major changes to the Emergency and Municipal Service Tax (EMST) Question 5: If your mailing address differs from the address of the property for which you are seeking a Homestead Exemption, fill in your mailing address. A Homestead Exemption means that if you own your home, you can qualify for a reduction of your home's tax assessment, and therefore reduce your tax bill. A stockholder in a qualified housing cooperative. See form DTE 105A – Supplement for additional information. other. Employers: Use Business Services Online (BSO) to submit W-2s. Philadelphia, for example, levies one of the highest local income tax rates in the state, at 3.75 percent.