FAQs

What if I do not renew my registration and/or license by the expiration date? If the renewal application and fees are postmarked after the registration and/or license expiration date(s), a delinquency fee will be charged for each registration and/or license you are renewing. Delinquent renewals will not be processed until all fees are received. If you own a licensed Smog Check station and your ARD and/or Smog Check station renewal payments are delinquent, your station's analyzer(s) will be locked out and you will not be allowed to inspect, test, diagnose, repair, or issue certificates of compliance. Can I overnight my renewal payment? Yes. Payments may be sent overnight to the following address: Department of Consumer Affairs Cashiering Unit 1625 North Market Boulevard, Suite S100 Sacramento, California 95834 Can I expedite my renewal? No. Renewals are processed in the order they are received. The processing time is typically two weeks from the time of receipt. A license rema…
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New Smog Check Inspections

Smog Check Program's Updated Test Technology Californians getting Smog Check inspections today may notice that the traditional tailpipe test used for many years has been replaced by a quicker, computer-based test for gasoline-powered cars model-year 2000 and newer, and for most diesel vehicles that are model-year 1998 and newer. This updated test uses the diagnostic capabilities of the vehicle's computer system instead of the traditional tailpipe probe to measure the vehicle's emissions. This On-Board Diagnostic (OBD) system gathers information and determines if the vehicle's emission control systems are operating properly. A visual inspection of emission control components is still required as well. The OBD only method of testing vehicles is the result of 2010 legislation (AB 2289-Eng) which is designed to improve the Smog Check inspections Program and further reduce air pollution. The Smog Check program removes hundreds of tons of smog-forming pollutants from California's a…
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Smog Certification Information

The following smog certification information update is brought to you by SmogCoupons Currently, smog inspections are required for all vehicles except diesel powered vehicles 1997 year model and older or with a Gross Vehicle Weight (GVWR) of more than 14,000 lbs, electric, natural gas powered vehicles over 14,000 lbs, motorcycles, trailers, or gasoline powered vehicles 1975 and older. Vehicles registered in areas subject to the biennial smog certification program are required to submit evidence of a smog certification every other renewal period. Owners of vehicles six or less model years old will pay an annual smog abatement fee for the first six registration years instead of being required to provide a biennial smog certification. The registration renewal notice mailed to you by the department will indicate if a smog certification is required. If a smog certification is required and you have not had a smog inspection, you may still pay your registration fees to avoid any late…
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