Residence Homestead Exemption Application. Generally, the deadline to file an application for an exemption is April 30.GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. Applications for exemptions must be submitted to the Bexar Appraisal District. For information on values, to file for an exemption, or to report changes in ownership or address, please call the Appraisal District at 210-224-2432. This video will cover how to fill out the homestead exemption form. Bexar County Appraisal District representatives will also be present and answer your individual questions and help you complete your exemption form. A homestead exemption allows homeowners who live in their home to reduce its taxable value, with some exemptions available only to seniors or disabled people. You can find forms on your appraisal district website or you can use the Texas Comptroller forms. General Exemption Form 50-114.