To apply for a Homestead Exemption, you must submit the following to the Harris Central Appraisal District (HCAD):. After you have created your online account and gathered the required documents necessary to qualify for the exemption that you are applying for.The application may be available online or in person. This is an informative video on how to apply for Homestead Exemption in Fort Bend County Texas. This Video Shows you How to Complete an Application for Homestead Exemption. Applicants must file a Form CC-501 – Original Application for Homestead and Related Tax Exemptions, to apply for the homestead exemption on the new homestead. Address on the driver's license or identification card MUST be the same as the address on which you are filing an Application for Residence Homestead Exemption. Return to Harris County Appraisal District,. In order to apply for a homestead exemption you generally have to submit an application before March 1 of the year you wish to qualify. Call Heather Houston at 7137050018 or fill out the form below.