California smog check stations by city

A California smog check is the emissions inspection most vehicles need every two years, when sold, and when first registered here. It takes about 30 minutes at a station licensed by the Bureau of Automotive Repair. Find one among 5,956 licensed stations in 584 cities.

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Sacramento134 stationsSalida3 stationsSalinas36 stationsSan Anselmo2 stationsSan Bernardino53 stationsSan Bruno9 stationsSan Carlos7 stationsSan Clemente8 stationsSan Diego184 stationsSan Dimas3 stationsSan Fernando10 stationsSan Francisco57 stationsSan Gabriel7 stationsSan Jacinto11 stationsSan Joaquin1 stationSan Jose174 stationsSan Juan Capistrano6 stationsSan Leandro27 stationsSan Lorenzo5 stationsSan Luis Obispo26 stationsSan Marcos12 stationsSan Martin1 stationSan Mateo14 stationsSan Pablo5 stationsSan Pedro8 stationsSan Rafael21 stationsSan Ramon9 stationsSan Ysidro1 stationSand City2 stationsSanger9 stationsSanta Ana52 stationsSanta Barbara23 stationsSanta Clara33 stationsSanta Clarita11 stationsSanta Cruz21 stationsSanta Fe Springs6 stationsSanta Maria40 stationsSanta Monica10 stationsSanta Paula5 stationsSanta Rosa48 stationsSantee12 stationsSaugus3 stationsSausalito1 stationScotts Valley5 stationsSeal Beach2 stationsSeaside17 stationsSebastopol3 stationsSelma16 stationsShafter2 stationsSherman Oaks6 stationsShingle Springs3 stationsSierra Madre1 stationSignal Hill10 stationsSimi Valley18 stationsSolana Beach2 stationsSoledad2 stationsSolvang1 stationSonoma8 stationsSonora5 stationsSoquel1 stationSouth El Monte5 stationsSouth Gate27 stationsSouth Lake Tahoe4 stationsSouth Pasadena2 stationsSouth San Francisco9 stationsSpring Valley16 stationsSt Helena3 stationsStanton7 stationsStockton51 stationsStudio City4 stationsSuisun City1 stationSun Valley10 stationsSunland3 stationsSunnyvale25 stationsSusanville2 stationsSylmar4 stations

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What is a smog check?

A smog check is California’s vehicle emissions inspection, run by the Bureau of Automotive Repair. A licensed station checks that the emissions parts are present and working and reads the on-board computer or measures the exhaust. Most vehicles need one every other year at renewal once they are more than eight model years old, when they are sold, and when first registered here.

What a California smog check tests, by model year
CheckWhat the inspector doesWhich vehicles
VisualLooks for missing, modified or disconnected emissions partsAll
FunctionalTests the parts work, including the check engine lightAll
On-board computerReads trouble codes and readiness monitorsMost 2000 and newer
TailpipeMeasures exhaust gases with a probePre-2000 model years

Source: BAR, Smog Check. Who needs one and who is exempt: smog check requirements.

How much does a smog check cost in California?

Each station sets its own price. Stations reported a statewide average of $69.16 to BAR for August 2026, plus the $8.25 state certificate when the car passes, and coupon prices on SmogCheckDeals usually run well below that. Live medians by county are in the smog check price report.

Which kind of smog check station do I need?

A test-only station inspects but can’t repair; a test-and-repair station can do both. A STAR station is either kind, certified by BAR to higher performance standards. You need a STAR station only when your DMV renewal notice says so or the car was identified as a gross polluter; otherwise any licensed station will do.

More on STAR smog checks, coupons and how long a smog check takes.

Frequently asked questions

There is no separate "DMV authorized" list. The Bureau of Automotive Repair (BAR) licenses smog check stations for the DMV, and a passing result goes to the DMV electronically from any licensed station. This directory is built from BAR's license register; a station whose licence we couldn't confirm as current says so on its page, and BAR's Auto Shop Locator at bar.ca.gov/locator is the official check.


Bring the vehicle and, if you have it, your DMV renewal notice, which says whether a STAR station is required. The check engine light must be off. Pay the station’s inspection price plus the $8.25 state certificate when the car passes.


About 30 minutes for the inspection itself, according to BAR. A passing certificate is valid for 90 days and goes to the DMV electronically.


A smog check is the inspection; a STAR smog check is the same inspection at a station BAR has certified to higher performance standards. You need a STAR station only when your DMV renewal notice says so, or for a vehicle identified as a gross polluter.