How can a homeowner see which exemptions were applied to their home? Check the Property Details, then review the Exemption History and Status section.Property tax exemptions are savings that contribute to lowering a homeowner's property tax bill. The most common is the Homeowner Exemption. The BOR accepts exemption applications for approximately 30 days, four times each year. Link to obtain further information about the various exemptions that are offered, the documents and filing process required for each exemption to be claimed. 3 Write the property index number (PIN) of the property for which you are requesting a homestead improvement exemption. Your. It is based on Cook County procedures. Check with your township or county tax assessor's office for information about property tax exemptions. Fill in the oval that corresponds to your filing status on your.