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24 stations listed · 18 in Glendora · 17 open weekends · 22 rated 4.5+ · 2 show a license
Data verified October 16, 2026
Listed for drivers in and around Glendora, 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.
Of the 24 stations we list here, 18 are in Glendora itself and 6 come from towns including West Covina (2, 7 mi), Rancho Cucamonga (2, 16 mi) and Covina (1, 4 mi). The stations on this page are rated from 3.8 to 5.0 across 1,853 reviews; 12 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (89%), quality (81%) and value (81%). The topics that come up most in reviews of the stations on this page are "diagnosis" and "honest". 17 are open on Saturdays and 1 on Sundays. 2 show a license on their websites and 5 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 75 years. 1 offers financing and 5 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 13 of the stations on this page; 5 publish a contact page; 2 list a public email and 1 takes 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.
Inside your own state, yes. 18 of the 24 shops here are in Glendora 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.
- “Reasonably priced, bro is super kind and considerate, also he is very knowledgeable/legitimate when it comes to handling cars/smog checks.” — customer of Quicky Smog
- “Thorough, competent, friendly. Gene has also been of help when we've been on the road, finding a place for emergency service.” — customer of Certified Automotive Specialists
- “During the duration of my car being at his shop, I found him to be responsive, honest, and helpful.” — customer of Advanced Auto Smog Star
- “Very helpful and great customer service! Got me in and out very quickly with a smog check, thanks!” — customer of AM Auto Repair
- “They have the most friendly staff! This is my first time and I will definitely be coming here from now on.” — customer of Advanced Auto Smog Star
Excerpts from public reviews of the stations listed on this page.
