Each year applicants must complete and file Form PTAX-340 with the Chief County Assessment Officer. Applying for an exemption.You can apply online for any of these exemptions through the Cook County Assessor's Office. In order to print the Homestead, Homestead Improvement or Senior Citizen Homestead Exemption form, you will be redirected to the Property Tax website. You can get an application here General Homestead Exemption Form or you can call 630-208-3818 and one will be mailed to you. There is no annual renewal for this exemption. Applicants will need to provide proof of age (ex. Property tax exemptions are savings that contribute to lowering a homeowner's property tax bill. The most common is the Homeowner Exemption. PTAX-324 Application for Senior Citizens Homestead Exemption.
