{"state":"CA","state_name":"California","county":"alameda","county_name":"Alameda County","testing_required":true,"gas_testing_required":true,"gas_vehicle_min_age":8,"diesel_testing_required":true,"diesel_model_year_min":1998,"diesel_vehicle_max_gvwr_lbs":14000,"test_fee_cents":6720,"exemptions":["1975 and older gasoline vehicles, motorcycles, and trailers","1997 and older diesel vehicles","diesel or natural gas vehicles over 14,000 pounds","electric vehicles","gasoline vehicles less than eight model years old"],"stations":[],"station_details":[],"source_url":"https://www.dmv.ca.gov/portal/vehicle-registration/smog-inspections/","source_updated_at":"2026-04-23 07:16:13","coverage_status":"partial","confidence_note":"California county smog coverage is source-backed, but station lookup is delegated to BAR and the published fee signal uses a statewide official average rather than a county-specific price.","stations_scope":"official_finder","stations_scope_label":"Official station finder","stations_note":"California DMV and BAR publish Alameda County smog coverage, but live station availability is delegated to the BAR locator.","station_locator_url":"https://www.bar.ca.gov/locator?filters=CanPerformSmogInspections&view=showFilters","help_cta":{"kind":"official_service","headline":"Open the official Alameda 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://www.bar.ca.gov/locator?filters=CanPerformSmogInspections&view=showFilters","placement":"after-official-links","disclosure":"Official station finder","tracking_key":"official-emissions-california-alameda"}}