Residence Homestead Exemption Application. This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County.Customer Service: (210) 224-2242. General Residence Homestead: Available for all homeowners who occupy and own the residence. File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan. The Residential Homestead Exemption Form along with other forms used at the Bexar Appraisal District can be found on their website. You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once. In this video we're gonna show you how to fill out your homestead exemption. Bexar Appraisal District has an online portal where you can apply online.