The exemption may be claimed in addition to the General Homestead Exemption. You can apply for the exemption online or at the Township Assessor's office.An annual verification of eligibility must be filled out each year. Applicants will need to provide proof of residency (ex. Driver's license, state ID). Application for Exemption Instructions Details on how to fill out and mail your Property Taxation Exemption Form , PDF: Application for Exemption Property Tax. You can apply online for any of these exemptions through the Cook County Assessor's Office. Calculate how much you'll pay in property taxes on your home, given your location and assessed home value. Yes, there has been litigation over this law, but it's crucial to stay ahead of compliance unless you fall under an exemption.