Exemption applications can be downloaded from here. Before applying, you must have an updated.Texas Driver's license or Texas ID to match the situs (property address). Bought a primary residence within the past year in Texas? It's time to file for your Texas Homestead Exemption. President Abraham Lincoln signed the Homestead Act on May 20, 1862. The Hazlewood Act is a State of Texas tuition exemption created to provide education benefits to honorably discharged or separated Texas veterans. 16 votes, 10 comments. Collin County: Homestead Tax Exemption. To apply for an exemption, call the Collin County Appraisal District at (469) 742-9200 or Denton County Appraisal District at (940) 349-3800.