Need a Smog Check? Riverside Smog Co. is your #1 go-to spot for your next smog test. We do emissions tests so that you can obtain your California smog certification here at our shop, and the approval is sent electronically to the DMV! You do not need an appointment. Go to our website and print out your smog check coupon and bring it in with you on your next visit. We are Star Station approved by the state to perform test-only service. We do not do repairs. If you need a smog inspection, then consider bringing your car to us! We are... read full review »