How Much Does a Smog Check Cost in California?

Getting your vehicle to pass its biennial smog check is mandatory across most of California. But how much does this mandatory test actually cost? Average prices range from $50-$100 depending on which shop you choose and where in the state you live. However, the total fees owed for a smog inspection depend on several variables.

In this comprehensive guide, we’ll break down the typical smog check costs in California and the factors that influence pricing. You’ll learn what’s included in the test, find average prices by region, and get money-saving tips to avoid overpaying. Read on to learn everything you need to know about California smog check costs so you can budget accordingly.

How Much Does a Smog Check Cost in California?

The cost of a smog check in California typically ranged from $30 to $60. However, prices may vary depending on the location, the type of vehicle being tested, and any additional services or certifications required. It’s advisable to check with local smog check stations for the most current pricing information.

What’s Included in a Smog Check

First, let’s look at what you’re paying for with a smog inspection. California smog checks include the following:

  • Emissions testing with Dynamometer – Measures tailpipe exhaust during simulated driving conditions
  • Visual inspection – Checks engine components and all emission control devices
  • Evaluation of onboard diagnostic (OBD) computer system
  • Checking fuel cap seal
  • Review and verification of all documentation

The time your vehicle is occupying the smog check station and mechanic labor is also included in the overall pricing. If repairs are needed to pass inspection, those costs are additional.

Average Smog Check Cost by California Region

Smog check fees vary across different parts of California depending on the local demand and cost of operating inspection stations. Here are the average price ranges by region:

Los Angeles County – $50-$75

San Francisco Bay Area – $55-$90

Central Valley – $45-$70

San Diego County – $40-$65

Sacramento/North Valley – $45-$75

Far Northern CA – $40-$60

As you can see, major metro areas like LA and San Francisco tend to have the highest inspection costs. Rural Far Northern California has some of the lowest average prices statewide.

Varying Station Fees

Within the same geographic region, you’ll find a range of prices between inspection stations. Private auto repair shops that offer smog checks tend to charge slightly more, around $65-$100. High-volume smog-only stations usually have lower inspection fees of $40-$75. Stations also frequently run discounts and specials to attract customers, so always call around for quotes.

See also  Price per Square Foot to Price per Square Meter Calculator

Ways to Save Money on Smog Checks

Here are some tips to minimize the costs:

  • Ask about weekday & off-peak discounts at stations
  • Use coupon codes and cashback apps
  • Go to stations running monthly specials
  • Join AAA for a free retest if you fail
  • Find inspection & repair bundles to save on repairs
  • Bring a discount gift card if offered by station
  • Pay in cash – some stations charge extra for credit

Smog Check Prices for Vehicles Exempt from Dynamometer

Certain older vehicles qualify to skip the dynamometer portion of the smog test. Without the simulated driving component, these inspections take less time and have lower fees, typically around $45-$65 statewide. Qualifying vehicles must be:

  • 1976 model year or older
  • Have an engine from 1975 or earlier
  • Weigh over 6,000 pounds gross vehicle weight


Why are smog checks so expensive? Smog checks can be expensive due to several factors. The equipment used for testing and maintaining it to ensure accuracy can be costly. Additionally, trained technicians are required to perform the tests, which adds to the labor costs. Stringent environmental regulations may also necessitate more advanced and expensive testing methods.

How much does a star smog check cost in California? The cost of a STAR smog check in California can vary depending on the location and service provider. On average, you can expect to pay between $50 to $100 for a STAR smog check.

What do I need to bring for a CA smog check? You typically need to bring your vehicle, its registration, and any relevant paperwork from the Department of Motor Vehicles (DMV). Ensure that your vehicle is in good running condition, as it will need to undergo the emissions test.

Do you have to pay for a smog check in California? Yes, you have to pay for a smog check in California. The cost of the smog check is the responsibility of the vehicle owner.

What will fail a CA smog test? Several factors can cause a vehicle to fail a California smog test, including high levels of harmful emissions, malfunctioning emissions control systems, and visible smoke from the tailpipe.

Is it bad to fail a smog test? Failing a smog test is not ideal as it can lead to costly repairs and inconvenience. However, it is necessary to ensure that vehicles meet emissions standards and reduce air pollution.

See also  Shark Tank Valuation Calculator

What is the difference between a STAR smog check and a regular smog check? A STAR smog check is a stricter version of the regular smog check in California. It is required for certain vehicles that have a history of higher emissions or have failed previous smog tests. STAR stations are subject to more rigorous testing and certification to ensure accurate results.

How do you pass a smog check? To pass a smog check, make sure your vehicle is well-maintained, and its emissions control systems are functioning correctly. Regularly servicing your vehicle and fixing any issues that may affect emissions can improve your chances of passing.

Does California DMV require a smog check every year? In California, smog checks are generally required every two years for most vehicles. However, certain vehicles and circumstances may require annual or biennial smog inspections.

Does California DMV waive smog check? California DMV may provide exemptions or waivers for smog checks under certain circumstances. These exemptions may apply to specific vehicles or situations, such as low-income individuals or vehicles that meet certain criteria.

How much should a smog check cost in Los Angeles? The cost of a smog check in Los Angeles can vary depending on the service provider and location. On average, you can expect to pay between $50 to $100 for a smog check in Los Angeles.

How long does a smog check take in California? A smog check typically takes about 20 to 30 minutes to complete, although the exact duration can vary based on the vehicle’s condition and the efficiency of the testing facility.

How long is a smog certificate good for in California? In California, a smog certificate is generally valid for 90 days from the date of issuance. It must be presented to the DMV when registering or transferring ownership of a vehicle.

How can I avoid smog in California? To reduce smog and air pollution in California, consider carpooling, using public transportation, or driving vehicles with lower emissions. Regular vehicle maintenance and ensuring your vehicle’s emissions control systems are in good working order can also help reduce your contribution to smog. Additionally, staying informed about air quality alerts and taking precautions on days with poor air quality can protect your health.

See also  Why Are Lacoste Shirts So Expensive And Why Do People Buy Them? What Makes A Polo Shirt Worth $80? How Can A Crocodile Emblem Make Something So Classy?


When it comes time for your next smog inspection, you now know what fees to expect across California. Plan for costs between $40-$100 depending on which station you choose and where in the state it’s located. High-volume quick inspection shops tend to have lower pricing, while private auto repair facilities that offer smog services charge more. Several strategies like asking for discounts, using cashback apps, and visiting on weekdays can help minimize the costs. Older vehicles exempt from the dynamometer portion can also save around $10-$20 per test.

While a smog check is mandatory for all vehicles registered in California, taking the time to find an affordable inspector doesn’t have to be difficult. Check prices locally and call ahead for quotes. With the insights in this guide, you can now better budget for your vehicle’s upcoming smog check. Locate a reasonably priced station, take advantage of any available discounts, and breathe easy knowing your car will pass inspection the first time around.

Leave a Comment