Prince William County, VA Vehicle Tax & Registration (2026)
In Prince William County, a vehicle purchase is taxed at Virginia's flat 4.15% (minimum $75) — the same statewide — but your ongoing cost is the local personal-property "car tax" of $3.50 per $100 of assessed value, which Prince William County sets. A safety inspection is required statewide. As part of the Northern Virginia emissions program, Prince William County requires an emissions test every two years before you renew.
Verified July 2026 from official sources. How we verify fees.
What you'll pay in Prince William County
- Sales & use tax: 4.15% (min $75), statewide
- Personal-property car tax: $3.50 per $100 of assessed value (set by Prince William County)
- Safety inspection: required (statewide)
- Emissions test: required every 2 years (NoVA)
The car tax is the local variable
Virginia's sales tax, title fee, and registration fees are uniform statewide — the number that actually differs by locality is the annual personal-property tax on your vehicle. Prince William County charges $3.50 per $100 of assessed value; the state's PPTRA relief offsets part of the bill on the first $20,000 of value. Estimate the one-time purchase cost on our Virginia registration page.
Frequently asked questions
What is the car tax in Prince William County, VA?
Prince William County levies an annual personal-property tax of $3.50 per $100 of your vehicle's assessed value. The one-time purchase sales tax is a flat 4.15% statewide.
Does Prince William County require an emissions test?
As part of the Northern Virginia emissions program, Prince William County requires an emissions test every two years before you renew.
How much is sales tax on a car in Prince William County?
4.15% of the sale price, with a $75 minimum — the same everywhere in Virginia. Prince William County's local variation is the yearly car tax, not the sales tax.