Any unused credits may be carried forward for 10 years. To apply for an exemption, fill out the 2024 Loudoun County Tax Relief Application (PDF) and submit the supporting documents.Most Virginia cities, counties, and towns offer some form of personal property tax relief to homeowners age 65 and older, and to homeowners with disabilities. To qualify for personal property tax relief, visit the Citizen Portal or complete the Vehicle Usage Certification Form (PDF). You must sign up in person for this program between January 1st and March 1st each year to qualify for the reduction on your real estate tax bill.