2. What are some exemptions? This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County.GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. To apply for any of the homestead exemptions listed above, please complete and submit the Residence. Homestead Exemption form 50-114. Bexar Appraisal District has an online portal where you can apply online. Property tax exemptions. San Antonio, TX 78283. You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once.