McCoy Passenger Tire Co
“I have not found anyone who beats their prices on an installed, out the door set of Michelin tires, and their alignment services are among the best I've ever had.”
Best Car Inspection & Emissions Testing in Modesto, CA
24 stations listed · all 24 in Modesto · 15 open weekends · 22 rated 4.5+ · 4 show a license
Data verified October 16, 2026
Stanislaus Smog
“Very friendly owner and got my smog check done quickly even though I didn't have an appointment.”
Walkers Automotive
“They always are pleasant and MOST importantly keep my car in good shape so I am safe.”
Smogs Unlimited
“Customer service was great and they were super fast, in and out in less than 20 mins.”
Speedway Smog Center
“Took me in last minute and had my car done in about 15 minutes.”
Freedom Smog
“The man working there was very polite and he handled the job real well.”
Listed for drivers in and around Modesto, CA, these 24 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: Modesto, CA
All 24 stations we list here are in Modesto itself. We have 31 stations in Modesto on file; this page shows the highest-rated 24. The stations on this page are rated from 4.3 to 5.0 across 3,488 reviews; 18 have 50 or more reviews and 22 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". 15 are open on Saturdays and 2 on Sundays. The services the stations on this page list most often on their websites are brakes (2), fuel injection (2) and oil change (2). 4 show a license on their websites; 1 lists staff certifications (ASE) and 6 have a BBB rating of A or A+. Domain records put 7 websites of the stations on this page at ten or more years old; the oldest dates from 2006. 2 give free estimates; 2 are family- or locally-owned and 3 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 13 of the stations on this page; 9 publish a contact page; 6 list a public email and 1 takes bookings online. We count these figures across the stations on this page; hours and prices change, so confirm the details with the station before you visit.
Which shops listed for Modesto test on Saturdays or Sundays?
Weekend testing is on offer at 15 of the 24 shops. Bear in mind that a failure on a Saturday usually waits for parts on Monday, which is an argument for testing midweek if you can.
Smog Check Hut
“Smog service was fast and didn't have to go to DMV for our tag after passing smog testing.”
Smog Check Unlimited
“Also, Lily, who works in the office, told me it would be around 35 minutes and her estimate was spot on.”
Mc Henry Smog Center
“The best place ever friendly family business they smog all my cars and all my friends ty God bless your family”
Performance Smog Inc
“From smog to maintenance on my vehicles he has always went above and beyond to fix my issues with our vehicles.”
The Smog Shop
“I definitely recommend The Smog Shop for older vehicles and fast, friendly service.”
RM Automotive
“At last a very honest mechanic, get customer service!”
Smoggy Smog Check
“The guy doing smog checks was very kind and knowledgeable and got me in and out in good time...”
Cisneros Auto Service & Smog
“Awesome smog certified by DMV with direct link to DMV to submit your smog certification for you .”
Sam's Auto Repair
“I received excellent work on my car repairs here at Sam's Auto Shop.”
Brownies Service
“They got my car in and out the same day I called.”
Muratalla's Auto Repair
“Even tho they were so busy they still had my car done as promised by closing time.”
Robinson Autoworks
“I have and will continue to recommend Robinson Auto Works to all friends and co-workers.”
Modesto Auto Smog & Repair
“Great service provided, was a pleasure working with the owner.”
Car Pros 1
“Great place and very friendly people, Mishu the owner is a nice guy and very honest .”
G n K Auto
“From day one he has help me with my car when I blew my head gasket, when I got in a wreck and busted my axel and a few other front in parts.”
R&R Automotive
“Steering pump went out they had it diagnosed and fixed the next day at a really good price.”
Green Auto Repair and Smog
“Super friendly and very fast and more cheap price specially if you are short on money”
Akal Smog & Registration
“I went there for my car a smog check did a good job for me and it was so quick”
Why these companies made our list
What customers say about stations in Modesto
- “From the moment I walked in, I was greeted with a warm and welcoming atmosphere that immediately put me at ease.” — customer of Akal Smog & Registration
- “Great customer service as well. Will be our go to place for our other vehicles.” — customer of Smoggy Smog Check
- “This is the kind of place that after you go you wonder why you ever went anywhere else.” — customer of Mc Henry Smog Center
- “I love coming to Freedom Smog. You can count on the gentleman to be honest and affordable!” — customer of Freedom Smog
- “Shop was able to get me in and out within 30 minutes with no appointment.” — customer of Performance Smog Inc
Excerpts from public reviews of the stations listed on this page.
Is this page useful? Yes
No
Is there anything wrong with this page?
