The application filing period is from January 1st through December 31st. Starting from January 1st to April 30th, homeowners have the opportunity to submit the residence homestead exemption application.File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan. Disabled applicants must complete form DTE 105E,. This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County. You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once.