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.Bought a primary residence within the past year in Texas? It's time to file for your Texas Homestead Exemption. Download PDF BOE-266 REV. Where can I get the proper form to file for the exemption? How do I apply for a homestead exemption? Efforts to make this property tax relief exemption possible took months to formulate in the legislature earlier this year. One place to search and find your next commercial real estate rental.