Generally, the deadline to file an application for an exemption is April 30. The Travis Central Appraisal District grants homestead exemptions and assigns you the Owner ID and PIN you will need to apply on your Notice of Appraised Value.A Texas homeowner qualifies for a county appraisal district over 65 exemption if they are 65 years of age or older. This exemption is not automatic. To apply for this exemption, individuals must submit an application and proof of age. Persons who are over 65 years of age may file for an exemption in addition to the residential homestead exemption. Qualifying individuals must submit an application in order to receive the homestead exemption. When filing for the Residence Homestead exemptions, you must file an application no later than two years after the delinquency date. Return to Harris County Appraisal District,. You must be a Texas resident.