Temecula, California

State-certified smog testing in Temecula

Walk-in smog inspections and same-day appointments available. Tri-City Smog is a state-certified, test-only station serving Temecula with honest, unbiased emissions testing and no repairs or upsells.

Tri-City Smog shop in Temecula

Need a California CARB heavy-duty HD I/M inspection for the Clean Truck Check program? That is handled by our heavy-duty arm, TRI-CITY HD/IM. The official program page is also on the California Air Resources Board site.

Why choose us

A test-only station you can trust

Unbiased test-only inspections

We operate strictly as a test-only smog station, meaning we never perform repairs or adjustments. You can trust that our results are honest, impartial, and never influenced by upsells or unnecessary charges.

Fast, courteous service

We value your time and deliver efficient, friendly service, with most smog inspections completed in 15-20 minutes. Our team is professional, respectful, and focused on getting you in and out without hassle.

Walk-ins and same-day service

We welcome walk-ins and offer same-day appointments to make smog testing as convenient as possible. Whether you plan ahead or stop by, we're ready to help when you need us.

Family-owned and operated

We are a family-owned and operated business serving Temecula with pride. Our reputation is built on integrity, consistency, and treating every customer like part of our community.

About us

Family-owned smog testing in Temecula

Tri-City Smog is a state-certified, test-only smog inspection station serving Temecula. We provide honest, unbiased emissions testing with no repairs or upsells, ensuring complete transparency for every customer. Most smog inspections are completed in 15-20 minutes, with walk-ins and same-day appointments available. As a family-owned and operated business, we take pride in delivering fast, courteous service while remaining fully compliant with California emissions requirements.

At Tri-City Smog, we bring over 40 years of expertise in vehicle emissions testing to the Temecula community. Our mission is to provide precise, efficient, and trustworthy smog inspections for all types of vehicles, ensuring you remain fully compliant with California's environmental standards. Our team of experienced technicians uses state-of-the-art testing equipment to deliver accurate results every time.

Services

Smog inspections and emissions testing

Core Smog Inspection Services

Regular Smog Inspection

Our regular smog inspections ensure your vehicle meets California's strict emission standards. We carefully check all components, provide accurate, DMV-compliant results, and prioritize fast, precise service.

STAR Smog Inspection

We provide STAR smog inspections for vehicles requiring stricter emissions compliance. Our certified team ensures every vehicle meets the enhanced standards, delivering precise, accurate results efficiently.

Test-Only Smog Check

Our test-only smog service focuses solely on emissions testing without performing repairs. This ensures unbiased, accurate results, and our team guides you efficiently through the process.

Title Transfer Smog Check

We perform smog inspections specifically for vehicles undergoing title transfers, with accurate, certified documentation that complies with California regulations and DMV requirements.

Out-of-State Smog Check

Moving to California? Our out-of-state smog checks help with DMV registration for vehicles from other states, with complete documentation and professional service.

Vehicle-Specific Smog Services

Diesel Smog Check

We provide specialized diesel vehicle smog inspections to ensure compliance with California emissions standards, backed by more than 40 years of expertise.

Hybrid Vehicle Smog Check

Our hybrid vehicle inspections are tailored for electric-gas systems, with accurate testing and DMV-compliant certification.

Gas Vehicle Smog Inspection

For traditional gasoline vehicles, we provide comprehensive emissions testing with advanced equipment and DMV-compliant certification.

Commercial Vehicle Smog Inspection

We perform emissions inspections for commercial vehicles of all sizes, with efficient testing and DMV-ready documentation for businesses.

Heavy-Duty & Specialty Emissions

Heavy-Duty Emissions Testing

Our heavy-duty vehicle testing helps trucks and industrial vehicles meet California state emissions standards, with thorough inspections and DMV-ready certification.

Fleet Emissions Testing

We offer fleet emissions testing so multiple vehicles remain compliant with California regulations, with precise results and streamlined DMV certification.

Convenience & Compliance Services

Walk-In Smog Inspection

Walk-in smog inspections with no appointment necessary, and DMV-compliant results delivered efficiently.

Same-Day Smog Inspection

Same-day smog inspections to meet urgent compliance needs, with accurate, DMV-certified results.

DMV-Required Smog Certification

DMV-required smog certifications for a variety of vehicles and situations, with accurate results and complete documentation.

FAQs

Frequently asked questions

Do you perform smog repairs or adjustments?

No. We are a test-only smog inspection station, which means we do not perform repairs or adjustments of any kind. This ensures every inspection is unbiased and based solely on your vehicle's emissions results.

How long does a smog inspection take?

Most smog inspections are completed in 15-20 minutes. Our efficient process and experienced technicians help minimize wait times while ensuring accurate testing.

Do I need an appointment for a smog check?

Appointments are not required. We welcome walk-ins and also offer same-day appointments for added convenience at both our Temecula and Menifee locations.

What do I need to bring for my smog inspection?

You'll need your vehicle and valid registration or DMV notice if applicable. If you qualify for a discount, please bring valid ID at the time of service.

View more FAQs

Service areas

Where we serve

From our Temecula shop we serve drivers across nearby Riverside County communities. Canyon Lake and Hemet are listed separately.

Call (951) 587-6471

Quail Valley, CA
Fallbrook, CA
Winchester, CA
French Valley, CA
Valle Vista, CA
Temescal, CA
Gavilan Hills, CA

See all areas we serve

At Tri-City Smog, our commitment to Temecula drivers goes beyond basic emissions testing. For over 40 years, we've delivered fast, precise, and trustworthy inspections, helping residents meet California standards while supporting environmental safety.

Call (951) 587-6471 Get in touch