Reference Source

Virginia

For Virginia, counties where testing is required is the counties of Arlington, Fairfax, Loudoun, Prince William, and Stafford; and the cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park; program / authority is Northern Virginia emissions inspection program, verified against its source on 2026-08-19.

State
Virginia our reading
Counties where testing is required
the counties of Arlington, Fairfax, Loudoun, Prince William, and Stafford; and the cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park verified
Program / authority
Northern Virginia emissions inspection program verified
Vehicles covered / exempt
a model year less than 25 calendar years prior to January 1 of the present calendar year according to the formula, the current calendar year minus 24 per law.lis.virginia.gov
Sourcelaw.lis.virginia.gov
Verified
Review by
DatasetVehicle emissions testing: which counties require it, in which states

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

"Northern Virginia program area" or "program area" means the territorial area encompassed by the boundaries of the following localities: the counties of Arlington, Fairfax, Loudoun, Prince William, and Stafford; and the cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park.

law.lis.virginia.gov, retrieved 2026-08-19

What law.lis.virginia.gov says

Was manufactured or designated by the manufacturer as a model year less than 25 calendar years prior to January 1 of the present calendar year according to the formula, the current calendar year minus 24, except those identified by remote sensing as specified in subdivision 5 of this definition;

law.lis.virginia.gov, retrieved 2026-08-19

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.