Best Car Inspection & Emissions Testing in Thousand Oaks, CA

15 stations listed · 7 in Thousand Oaks · 5 open weekends · 14 rated 4.5+ · 2 show a license

Data verified October 16, 2026

Shelley's Precision Auto Center

Shelley's Precision Auto Center

4.8 84 reviews
“Nick communicated very well about what things would cost, and the cars progress.”
Since 1967
901 E Thousand Oaks Blvd
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American Muffler

American Muffler

4.6 51 reviews
“The advice they gave me was not only really comprehensive but resulted in them not making a penny off of me.”
Since 1963
3139 Los Feliz Dr #7
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Discount Smog Star Center

Discount Smog Star Center

5.0 101 reviews
“I had previously gone to another company whose service was not even close to being as reliable and good as Sam at Discount Smog.”
Walk-ins welcomeFamily-ownedSince 2012
3111 E Thousand Oaks Blvd ste 5a
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Skyline Auto Repair LLC

Skyline Auto Repair LLC

4.7 43 reviews
“Glen and Tony are knowledgeable and patient they always answer any questions I may have, and present me with all the options at a fair price!”
Since 2010
50 N Skyline Dr # C
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Ace Diagnostics

Ace Diagnostics

4.8 23 reviews
“Dropped in on a Saturday and they saw me with very short wait.”
Since 2021
3139 Los Feliz Dr Unit 5
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Westlake Smog Center

Westlake Smog Center

4.4 20 reviews
“Got a deal where my smog check came with a car wash!”
LicensedSince 2012
Westlake Village, CA · 5 mi from Thousand Oaks
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Listed for drivers in and around Thousand Oaks, CA, these 15 shops carry out emissions and inspection work. What each one says about its station license, hours and retest policy comes from its own website; ratings and quotes come from public reviews.

Area overview: Thousand Oaks, CA

Of the 15 stations we list here, 7 are in Thousand Oaks itself and 8 come from Simi Valley (4, 9 mi), Camarillo (3, 9 mi) and Westlake Village (1, 5 mi). The stations on this page are rated from 4.4 to 5.0 across 3,442 reviews; 11 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the stations on this page are "price", "fair" and "honest". 5 are open on Saturdays and 2 on Sundays. 2 show a license on their websites; 1 lists staff certifications (ASE) and 4 have a BBB rating of A or A+. Domain records put 8 websites of the stations on this page at ten or more years old; the oldest dates from 2000. 1 offers financing; 1 is family- or locally-owned and 5 list coupons or special offers. We have a website on file for 13 of the stations on this page; 9 publish a contact page; 3 list a public email and 2 take bookings online. We count these figures across the stations on this page; distances are straight-line, and hours and prices change, so confirm the details with the station before you visit.

Can I use a station outside Thousand Oaks?

Inside your own state, yes. 7 of the 15 shops here are in Thousand Oaks and the rest come from other towns. Crossing a state line does not work, because the test has to be accepted by the state that registers the car.

Perry's Auto Repair

Perry's Auto Repair

4.9 16 reviews
“Perry's Auto has been taking great care of me for over 5 years.”
Since 1988
3221 E Thousand Oaks Blvd
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Foreign Carriage Service

Foreign Carriage Service

4.9 15 reviews
“I first came here w my Volvo, now I bring other cars too, he does the work quickly and well.”
Since 1993
Units /M, 3209 E Thousand Oaks Blvd
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Bj's Automotive

Bj's Automotive

4.9 87 reviews
“My daughter is in So Cal for college and I am in Sacramento this was a huge concern to find someplace honest to get her car fixed, Sue was very sweet and took care of her.”
Coupons & offers24-mo/24k-mi warrantyASE-certified techsAAA-approvedSince 1989BBB A+
Simi Valley, CA · 9 mi from Thousand Oaks
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Bill's Quality Auto Care

Bill's Quality Auto Care

4.9 127 reviews
“Had a tow- and Bill's took care of us right away, explained everything thoroughly, very well priced and fixed our car within a day!”
Coupons & offersAAA-approvedShuttle serviceLicensedSince 1996
Simi Valley, CA · 9 mi from Thousand Oaks
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Camarillo Independent Automotive Repair

Camarillo Independent Automotive Repair

4.7 115 reviews
“They walked me through every step that was about to be done.”
Coupons & offersASE-certified techsHonda specialist78,000 projects completedSince 1983
Camarillo, CA · 9 mi from Thousand Oaks
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Oil Changers

Oil Changers

4.6 118 reviews
“I appreciate the little extras they do (tire pressure, re-set the maintenance indicator on the screen, etc.”
Coupons & offersSince 2002
Simi Valley, CA · 9 mi from Thousand Oaks
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Asian Autoworks

Asian Autoworks

5.0 99 reviews
“Prices were fair and transparent on what work needed to be done vs what could be done later.”
24-mo/24k-mi warrantyAsian car specialistSince 2023
Simi Valley, CA · 9 mi from Thousand Oaks
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R K Smog Services

R K Smog Services

4.9 88 reviews
“I pulled up and they were able to Smog Check my car right away.”
BBB A+Since 1990
Camarillo, CA · 9 mi from Thousand Oaks
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Camarillo Car Care Center

Camarillo Car Care Center

4.7 124 reviews
“Most important to me, I didn't have to call Dan, he called me with all the information.”
36-mo/36k-mi warrantyAAA-approvedSmog check stationAlignment Special $134.97Fleet accountsSince 1973
Camarillo, CA · 9 mi from Thousand Oaks
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HomeInspections & Emissions TestingCaliforniaThousand Oaks, CA

Why these companies made our list

What customers say about stations in Thousand Oaks

  • “Very friendly service and fair prices. I will be back every other year for my smog checks.” — customer of Discount Smog Star Center
  • “Ken & Miguel are great people. I’ve taken 2 of my vehicles here and both of them passed smog with no issues.” — customer of Ace Diagnostics
  • “The service is speedy also! In and out in less than 30 mins for a smog!” — customer of Shelley's Precision Auto Center
  • “From the moment I pulled in, he was welcoming, kind, and had a great sense of humor — which made the whole process surprisingly fun (never thought I’d say that about a smog check!).” — customer of Discount Smog Star Center
  • “Best smog experience I’ve ever had! Ken is the example of 10/10 best customer service.” — customer of Ace Diagnostics

Excerpts from public reviews of the stations listed on this page.

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