Emissions testing

Some counties in Washington State require emissions testing every 2 years. If you live in the following counties, you may need to have your vehicle tested:

  • Clark
  • King
  • Pierce
  • Snohomish
  • Spokane

Getting an Emissions Test

For more information, including the locations and hours of emissions testing, see the Department of Ecology emissions website.

Exempt vehicles

Certain hybrid vehicles that have an efficiency rating of at least 50 miles per gallon for city driving are exempt from emissions testing.

See also: