General information for filing tax exemptions for homeowners in Harris County can be found here. File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan.General Residence Homestead Exemptions: You may only apply for residence homestead exemptions on one property in a tax year. No information is available for this page. Bought a primary residence within the past year in Texas? It's time to file for your Texas Homestead Exemption. Want to lower your annual property taxes? Filing for your homestead exemption is January 1 and no later than April 30. No information is available for this page. The typical deadline for filing a county appraisal district homestead exemption application is between January 1 and April 30.