File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan. 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. The homestead exemption is available in every county in Texas, providing relief from school and property taxes based on your location. The typical deadline for filing a county appraisal district homestead exemption application is between January 1 and April 30. While you'll need to file in the county where your homestead is located, many offer online applications. Here is a video we did on how to properly fill out the Texas Homestead Exemption For for 2019. You must file an Application for Residential Homestead Exemption with the county appraisal district between Jan. An owner may only file one homestead exemption, and the application must be filed with the Appraisal District in the county the property is located in.