When filing for the Residence Homestead exemptions, you must file an application no later than two years after the delinquency date. This video will cover how to fill out the homestead exemption 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. Dallas County offers several exemptions that can reduce your tax bill. File Homestead Exemption Online. Print Homestead Exemption Form. This video is the exact tutorial the exact demo on how to do the homestead exemption how to file it. First, you will need to submit a completed application form. This form can be obtained from the county appraisal district office or from their website. One place to search and find your next commercial real estate rental.