Maryland
For Maryland, counties where testing is required is Anne Arundel, Baltimore City, Baltimore, Calvert, Carroll, Cecil, Charles, Frederick, Harford, Howard, Montgomery, Prince George's, Queen Anne's, and Washington; program / authority is VEIP, verified against its source on 2026-08-19.
- State
- Maryland our reading
- Counties where testing is required
- Anne Arundel, Baltimore City, Baltimore, Calvert, Carroll, Cecil, Charles, Frederick, Harford, Howard, Montgomery, Prince George's, Queen Anne's, and Washington verified
- Program / authority
- VEIP verified
- How often
- every two years per mva.maryland.gov
- Vehicles covered / exempt
- New vehicles (2019 or newer, original owner, titled in Maryland and not previously titled in any other jurisdiction): First test will occur 6 years after titling and registration in Maryland, then every 2 years after that per mva.maryland.gov
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
Vehicles registered in the following counties are required to get VEIP inspections: Anne Arundel, Baltimore City, Baltimore, Calvert, Carroll, Cecil, Charles, Frederick, Harford, Howard, Montgomery, Prince George's, Queen Anne's, and Washington.
— mva.maryland.gov, retrieved 2026-08-19
What mva.maryland.gov says
Your vehicle must complete an emissions inspection every two years. Your testing schedule depends on your vehicle: Used vehicles: Test every 2 years New vehicles (2019 or newer, original owner, titled in Maryland and not previously titled in any other jurisdiction): First test will occur 6 years after titling and registration in Maryland, then every 2 years after that
— mva.maryland.gov, retrieved 2026-08-19
Source
- mva.maryland.govhttps://mva.maryland.gov/vehicles/Pages/VEIP.aspx