Exemption applications can be downloaded from here. I'm going to show you how to file your homestead exemption in Colin County Texas.Click on the appropriate link below to see information and eligibility requirements for your specific exemption. Going over how to fill out your residential homestead tax exemption application for Collin County. To apply for an exemption, call the Collin County Appraisal District at (469) 742-9200 or Denton County Appraisal District at (940) 349-3800. How To File Homestead Exemption Collin County Have you ever had these questions? How do I file a homestead exemption? A property owner or the owner's authorized agent must file any necessary exemption form before May 1 of the tax year. To file your taxes, you don't need a physical copy of your 1098-T tax form. Taxes and penalties when you file your 2025 tax return.