San Francisco County emissions
This is the page type that compounds your search surface. Each county route can expose distinct rules, exemptions, cost, and stations.
Rule snapshot
Testing requiredYes
Gas vehiclesGas vehicles starting at 8 years old
Diesel vehiclesDiesel vehicles model year 1998 or newer • up to 14,000 pounds GVWR
Average test fee$67.20
Coverage statusPartial
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
Official station finder
California DMV and BAR publish San Francisco County smog coverage, but live station availability is delegated to the BAR locator.
Use the BAR locator for the current station list.
Ready to act?
Open the official San Francisco County testing workflow
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.
Official station finder
Source freshness
This county page is rendered from backend data and can be refreshed independently of the frontend deploy.
Coverage status: Partial
Official source: https://www.dmv.ca.gov/portal/vehicle-registration/smog-inspections/
Last synced: Mar 9, 2026, 6:54 PM UTC
Coverage 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.
Use this county via API
This same county dataset is also available as JSON for search agents, LLM tools, and direct integrations.
Direct request example
curl https://api.plateharbor.com/api/v1/emissions/california/san-francisco