Apply for homestead exemptions? Call the Tarrant Appraisal District at 817-284-0024.File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan. After you have created your online account and gathered the required documents necessary to qualify for the exemption that you are applying for. To apply for a Homestead Exemption, you must submit the following to the Harris Central Appraisal District (HCAD):. How To File Homestead Exemption Tarrant County Have you ever had these questions? How do I file a homestead exemption? You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once. No information is available for this page.