Situs of a Vehicle
A vehicle is subject to annual property tax & a local registration fee if it is normally garaged or parked in the county, even if registered in another state. Tax on motor vehicles is prorated for the portion of the year it is located in the county unless the vehicle is moved to a non-prorating Virginia locality.
Vehicle Property Tax
All vehicles are subject to a local annual property tax. For more information regarding vehicle assessments, please refer to our vehicle values page.
Vehicle Registration in Fairfax County
Vehicles entering Fairfax County, whether newly purchased or moved in, must be registered with Fairfax County within 60 days of such event. You may register using our registration tool, by phone at 703-222-8234 [TTY 711], or in person at the Government Center.
Registration with the Virginia Department of Motor Vehicles (DMV) is separate from the local registration requirement with Fairfax County. A 10% penalty or $10, whichever is greater, will be added to the tax due if the registration is not completed with Fairfax County within 60 calendar days after purchase or entry into the County.
Change of Vehicle Address, Ownership, or Location
Taxpayers must report changes such as name, address, vehicle ownership, or vehicle location. This can be done using our updating tool, by email, by phone at 703-222-8234 [711 TTY], or in person at the Government Center.
Tax Rates
The current tax rate for most personal property in Fairfax County is $4.57 for each $100 of assessed value.
Assessment Methods
For valuation of cars and sport utility vehicles, Fairfax County uses J.D. Power's National Automobile Dealers’ Association’s Official Used Car Guide (NADA) as their primary valuation guide. When a vehicle is not listed in the primary guide, the locality obtains values from other sources (Code of Virginia, Section 58.1-3503).
Local Vehicle Registration Fee
A vehicle registration fee is assessed on all motor vehicles, including but not limited to automobiles, trucks, and motorcycles, regularly garaged, stored, or parked in the county and the towns of Clifton, Herndon, and Vienna.
"Out-of-State Plate" Tax & Penalty
Vehicles not properly displaying Virginia license plates within 30 days of purchase or residency are subject to Fairfax County's "Out-of-State Plate" tax in addition to personal property taxes. Virginia license plates may be obtained when the vehicle is registered with the Virginia Department of Motor Vehicles.
Exemptions
The following types of owned vehicles may not be subject to car taxes:
- Government
- Diplomat
- Military
- Daily Rental
Appealing Tax Assessment
If you believe that your vehicle has been over-assessed, you can appeal the assessment. Body damage, rusting, and mileage are conditional factors for which adjustments in value are most frequently made.
