To apply for an exemption, call the Bexar Appraisal District at 210-224-2432. Complete list of Texas Comptroller Property Tax Forms and Applications click here.Texas Comptroller Property Tax Publications click here. Bexar County Appraisal District representatives will also be present and answer your individual questions and help you complete your exemption form. To apply for any of the homestead exemptions listed above, please complete and submit the Residence. Homestead Exemption form 50-114. This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County. SAN ANTONIO (June 22, 2023) Today, the San Antonio City Council unanimously voted to double the City's homestead exemption to 20 percent. If the home is in San Antonio, that would be Bexar Appraisal District. You can send in the application via email, mail or fax.