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.To qualify, you must own and reside in the home as of date of application and cannot claim a homestead exemption on any other property. Legal Description: Form 50-135. How to Complete the Application. Fill out this application completely. To qualify, you must own and reside in your home on January 1 of the year application is made and cannot claim a homestead exemption on any other property. Application is pre-filled with data from our records, which means you spend less time filling out the form.