This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County. A property owner or the owner's authorized agent must file the necessary application before May 1 of the tax year.GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. It's just five pages it's really pretty simple to fill it out it doesn't cost you anything you can only do it from January 1st through April 30th. The application of homestead exemptions causes some residential properties in Cook County to have zero tax liability. Learn how to qualify for the Bexar County agricultural exemption and reduce your property taxes. File a new homestead exemption application. Based on the informa- tion provided in the new application, the chief appraiser shall deter-. County of Bexar and State of Texas. 198, 08154000, 355-00, Farm Credit System Insurance Corporation, 10, 10, 0.