Disabled Veterans or Surviving Spouse Exemption. Disabled veterans and their surviving spouse are exempt from local real estate taxes on their principal residence.If you claim an exemption, you should (i) fill out the claim for exemption form and (ii) deliver or mail the form to the clerk's office of this court. Disabled veterans and their surviving spouse are exempt from local real estate taxes on their principal residence. To receive an exemption, complete the Request for Tax Exemption (PDF) application and provide supporting documentation as described below. Loundon County also offers tax relief to senior citizens, people with disabilities, disabled Veterans, and more.