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 get the basic homestead exemption, homeowners need to fill out this form and submit it to the county tax office. Bexar Appraisal District has an online portal where you can apply online. If the home is in San Antonio, that would be Bexar Appraisal District. You can send in the application via email, mail or fax. Form 50-114 is a simple way to report your Bexar County property taxes. You can only apply for a residential homestead exemption on property you owned January 1st of this year. Fill out the application completely.