Complete list of Texas Comptroller Property Tax Forms and Applications click here. Texas Comptroller Property Tax Publications click here.This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County. For other questions you may have, please contact the Office of the Tax Assessor-Collector at 210-335-2251 for personalized assistance. GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. 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.