To file for a disabled veteran's exemption, you must complete the Application for Disabled Veteran's or Survivor's Exemptions form and submit it to the appraisal district in which the property is located.
To apply for the homestead exemption, download and print the Residential Homestead Exemption Application and mail the completed application to: Central Appraisal District of Collin County, 250 W. Eldorado Pkwy, McKinney, TX 75069.
There are multiple ways to file a Homestead Exemption application Form 50-114, however the online option is the fastest, and details are provided in the transcript below.
Veterans who receive compensation from the VA for a service-connected 100% total and permanent disability rating or of individual unemployability are eligible for 100% property tax exemption on their homestead.