Experience Unmatched Smog Inspection Services

at Tri-City Smog

Tri-City Smog has been a trusted name in California's Inland Empire since 1994. As a family-owned business with over 31 years of experience, we provide accurate and reliable smog inspection services. Our state-licensed, ASE-certified team offers unbiased assessments and completes services within 15 to 20 minutes. We also provide free and quick estimates to ensure transparency and build trust.

We believe in giving back to our community. Senior citizens and veterans receive a $5 discount on our services. We specialize in various smog checks, including regular, STAR, and test-only inspections. Our expertise covers hybrid and diesel vehicles, as well as out-of-state and title transfer smog checks. Choose Tri-City Smog for integrity, efficiency, and customer satisfaction. Visit us today.

Why Choose Tri-City Smog?

Free and Quick Estimates

State-Licensed and Certified

Unbiased Assessments

Over 31 Years of Experience

Services Provided in 15 to 20 Minutes

$5 Off for Seniors and Veterans

Choosing Tri-City Smog means opting for unparalleled expertise and a commitment to quality service. Our state-licensed and ASE-certified technicians bring decades of experience to every job, ensuring your vehicle meets all necessary standards. We offer quick, free estimates and complete most services within 15 to 20 minutes, respecting your time and schedule. With special discounts for seniors and veterans, we show our appreciation for the community we serve.


We specialize in a variety of smog checks, including regular smog inspections, STAR smog inspections, test-only smog checks, hybrid car smog checks, diesel smog checks, out-of-state smog checks, and title transfer smog checks. Trust Tri-City Smog for unbiased, efficient, and reliable auto repair services. Call or text us today to schedule your service.

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Quick and Reliable Regular Smog Inspections

Regular smog inspections are essential for maintaining your vehicle’s compliance with state emissions standards. At Tri-City Smog, we perform thorough inspections to ensure your car meets all regulatory requirements. Our quick and efficient service ensures minimal disruptions.

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Top-Quality STAR Smog Inspections for Your Vehicle

STAR smog inspections are mandated for certain vehicles to meet higher emission standards. Our state-licensed facility is equipped to handle these specialized inspections with precision. Trust our experienced technicians to provide accurate and reliable results, ensuring your vehicle stays compliant.

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Accurate Test-Only Smog Checks for Your Peace of Mind

For vehicles that only require testing without any repairs, our test-only smog checks are ideal. This service ensures that your vehicle’s emissions are within the permissible limits. We provide unbiased, state-certified assessments to give you peace of mind.

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Certified Hybrid Car Smog Checks You Can Trust

Hybrid vehicles require specialized smog checks due to their unique technology. Our technicians are trained to handle the intricacies of hybrid car smog checks, ensuring your vehicle adheres to all emission regulations. We offer quick and efficient service tailored to hybrid models.

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Stay Road-Ready With Our Diesel Smog Checks

Diesel engines have distinct emission standards, and our ASE-certified technicians are well-versed in conducting diesel smog checks. We ensure that your diesel vehicle complies with all state regulations, providing you with a thorough and reliable inspection.

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Fast and Efficient Out-of-State Smog Checks

If you’ve recently moved to California, your vehicle may need an out-of-state smog check. Our team is experienced in handling these inspections, ensuring your car meets California’s stringent emissions standards. We make the transition smooth and hassle-free for you.

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Smooth Title Transfers With Our Smog Checks

When transferring a vehicle title, a smog check is often required. Our title transfer smog checks ensure that your vehicle meets all emissions requirements for a smooth title transfer process. Rely on our state-licensed facility for accurate and efficient service.

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Visit Us: Walk-Ins and Same-Day Appointments Available

Ready to ensure your vehicle meets all emissions standards? Visit Tri-City Smog today for a quick and efficient appointment. Our friendly and experienced team is here to provide top-tier service, ensuring your vehicle runs clean and complies with all regulations.

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Here's what our satisfied customers are saying...

At Tri-City Smog, we take pride in providing regular smog inspections, STAR smog inspections, test-only smog checks, hybrid car smog checks, diesel smog checks, out-of-state smog checks, and title transfer smog checks to our customers. We would be grateful if you could share your thoughts about our family-owned business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Tri-City Smog and let others know what you think.

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