Residence Homestead Exemption Form: homestead app. Tax Deferral Form: Tax Deferral Form.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 will cover how to fill out the homestead exemption form. TX. 78586-7340. 3710. Homestead exemptions can reduce the appraised value of your home, and as a result, they can lower your property taxes. We have our 250 Regional Finalists! Reaching this level distinguishes these students as extraordinary leaders in their school and community.