{"state":"MD","state_name":"Maryland","county":"montgomery","county_name":"Montgomery County","testing_required":true,"gas_testing_required":true,"gas_vehicle_min_age":1,"gas_model_year_min":1996,"diesel_testing_required":false,"test_fee_cents":3000,"exemptions":["newly purchased Maryland vehicles with original ownership are generally tested 72 months after titling and registration","1995 and older vehicles 8,500 pounds GVW and under","historic vehicles","street rods","school vehicles and passenger buses","all hybrid vehicles are tested"],"stations":["Gaithersburg 24/7 Self-Service Vehicle Emissions Testing Kiosk - 15 Metropolitan Grove Road, Gaithersburg, MD 20878"],"station_details":[{"label":"Gaithersburg 24/7 Self-Service Vehicle Emissions Testing Kiosk","address":"15 Metropolitan Grove Road, Gaithersburg, MD 20878","map_url":"https://maps.google.com/maps?q=15+Metropolitan+Grove+Road,+Gaithersburg,+MD+20878","tags":["24/7 self-service kiosk"]}],"source_url":"https://mva.maryland.gov/vehicles/Pages/veip.aspx","source_updated_at":"2026-04-23 07:18:24","coverage_status":"partial","confidence_note":"Core Maryland VEIP county coverage is source-backed, but the current normalized record does not fully model Maryland's 72-month original-owner exemption versus the immediate inspection schedule for many used vehicles.","stations_scope":"official_finder","stations_scope_label":"Official VEIP locations","stations_note":"Maryland publishes Montgomery County VEIP coverage through the statewide program, but live kiosk and station availability is delegated to the official VEIP locations page.","station_locator_url":"https://mva.maryland.gov/locations/Pages/mvaveiplocations.aspx","help_cta":{"kind":"official_service","headline":"Open the official Montgomery County testing workflow","body":"PlateHarbor mapped the main county testing rules and finder coverage. Use the official source or locator before you schedule a test or travel to a station.","label":"Open official station finder","href":"https://mva.maryland.gov/locations/Pages/mvaveiplocations.aspx","placement":"after-official-links","disclosure":"Official station finder","tracking_key":"official-emissions-maryland-montgomery"}}