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California Smog Check: who needs it and what it costs
Source: California Auto Help (californiaautohelp.com), part of the Local Help Stations network (localhelpstations.com). Last updated November 2, 2026.
- Gasoline, hybrid and alternative-fuel vehicles 1976 and newer, and diesel vehicles 1998 and newer, generally need Smog Check.
- Exempt from renewal Smog Check: the newest 8 model years (they pay a smog abatement fee instead; the first renewal check comes at model year plus 8), 1975 and older gasoline vehicles, diesel 1997 and older or over 14,000 lb GVWR, and electric vehicles.
- Change of ownership: the newest 4 model years are exempt from Smog Check but pay a smog transfer fee.
- Smog is required every other year at renewal when your DMV notice says "Smog Certification Required at a STAR station."
- Inspection prices are not set by BAR. The $8.25 certificate fee is mandatory. Stations must give an estimate you authorize. The certificate is sent to DMV electronically and is valid 90 days.
- A check engine light on means a fail.
(source: Bureau of Automotive Repair)
DMV also notes that electric vehicles are exempt, natural gas vehicles over 14,000 lb are exempt, and the STAR program has applied since January 1, 2013. Check your DMV registration renewal notice rather than guessing your county's schedule. (source: California Department of Motor Vehicles)
If you fail
BAR's Consumer Assistance Program may help with emissions-related repairs if you meet income and other rules. Model year 1996 or newer may qualify for up to $1,450; model year 1976 to 1995 may qualify for up to $1,100. Gross household income must be at or below 225% of the federal poverty level. Do not start repairs until you receive the eligibility letter. Help lines: DCA Consumer Information Center (800) 952-5210. (source: Bureau of Automotive Repair)
CAP also offers a vehicle retirement option for eligible consumers; participation depends on yearly funding. (source: Bureau of Automotive Repair)
On this site: How do I renew California vehicle registration? · New to California: how soon must I register my vehicle? · Buying or selling a car in California: title and NRL rules · California Smog Check: who needs it and what it costs · California auto repair estimate rules · California Lemon Law (Tanner Consumer Protection Act) · My car was towed in California. What are my rights? · California DMV registration and late fees · How to complain about a California auto repair shop · California Smog Check Consumer Assistance Program · Cities · FAQ · Sources
Sources
- Bureau of Automotive Repair (BAR): Smog Check Program (checked November 2, 2026)
- California Department of Motor Vehicles (DMV): Smog Inspections (checked November 2, 2026)
- Bureau of Automotive Repair (BAR): Consumer Assistance Program: Repair Assistance (checked November 2, 2026)
- Bureau of Automotive Repair (BAR): Consumer Assistance Program (checked November 2, 2026)
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