The deadline for filing for a disabled veteran's exemption is between January 1 and April 30 of the tax year. To receive the 100 percent disabled veteran exemption, you may file for the exemption up to five years after the delinquency date for the taxes on the property.This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County. Obtaining a veterans exemption is not automatic – If you're an eligible veteran, you must submit the initial exemption application form to your assessor. Establishing the applicant's ownership of an interest in the homestead. The Bexar Appraisal District granted the couple a disabled veteran "residence homestead" tax exemption for their San Antonio residence. To get the basic homestead exemption, homeowners need to fill out this form and submit it to the county tax office. About Us. We appraise all taxable property and administer exemptions in Bexar. County for property tax purposes.