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. The residential homestead exemption application is located on our website tadd. Org under forms then homestead exemption. 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 can apply for your homestead exemption online on your appraisal district website. It's a simple form to be filled out and mailed to the Tarrant Appraisal District.