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Vehicle Inspection


All DEQ offices and vehicle emission testing stations will be closed Saturday, July 2, through Monday, July 4, 2022 in observance of the Independence Day holiday. 
The Scappoose testing station will be open an extra day on Thursday, June 30, from 8:30 a.m. to 5:30 p.m. All DEQ offices and stations will resume their regular operating hours on Tuesday, July 5, 2022.  

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​​​​​Clackamas, Gresham, Northeast, Sherwood and Sunset stations ​locations

Tuesday, Thursday and Friday: 8:30 a.m. - 5:30 p.m. 
Wednesday: 8:30 a.m. - 7 p.m. 
Saturday: 8:30 a.m. - 1 p.m.
Closed: Sunday, Monday and holidays. 

Scappoose location

Friday: 8:30 a.m. - 5:30 p.m.
Saturday: 8:30 a.m. - 1 p.m.
Closed: Sunday - Thursday and holidays. 

Medford ​Station

Monday – Friday: 8:30 a.m. - 5:30 p.m. 
Closed Saturday, Sunday and holidays.​

​​​​​Be sure to bring:

  • Your entire DMV registration renewal form with sections 1 (insurance information) and 2 (signature of owner) completed to receive renewal tags.

  • DEQ accepts Cash, PIN-less Debit/Credit card (VISA, MasterCard or Discover) or money order to pay for the emissions test AND your DMV registration fees.

A few th​ings to remember:

  • ​​​BE AWARE: Pets are not allowed in inspection stations​​ – for the safety of staff, the public, and our furry friends (service animals​ are allowed).​​​​​

  • No smoking or tobacco use on State of Oregon property

  • Please turn off cell phones in the testing lane

  • Excessively smoking vehicles will not be tested

  • Make sure your vehicle is in good working condition

  • Vehicles that pose a safety hazard will not be tested

  • Trailers, towed vehicles or other mobile equipment must be disconnected from the vehicle prior to testing

  • Motorcycles, off-road vehicles, trailers and any other vehicle not required to have an emissions test must have VIN inspections performed at the DMV​

​​​​​Incle​ment Weather

During inclement weather, view office building closures on the Department of Administrative Services web site. Vehicle Inspection Program information will also be available by calling 503-229-5066.​

​For questions or feedback on the Vehicle Inspection Program, visit our Questions and Comments page, or call one of our area contact numbers below:

  • Portland Area: 503-229-5066
  • Medford Area: 541-776-6145
  • Toll-Free in Oregon: 877-476-0583
  • Hearing Impaired: 711​

Now providing self-service and internet test methods


Learn More about DEQ Too™

See what occurs during an inspection at a Clean Air Station