Popular Cities
24 stations listed · 12 in St. Charles · 6 open weekends · 18 rated 4.5+
Data verified October 19, 2026
Listed for drivers in and around St. Charles, MO, 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, 12 are in St. Charles itself and 12 come from towns including St. Peters (3, 5 mi), St. Louis (3, 18 mi) and Ellisville (2, 15 mi). The stations on this page are rated from 3.8 to 5.0 across 4,736 reviews; 20 have 50 or more reviews and 18 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (98%), quality (90%) and value (79%). The topics that come up most in reviews of the stations on this page are "honest", "fair" and "diagnosis". 6 are open on Saturdays. 5 list staff certifications (ASE) and 14 have a BBB rating of A or A+. 19 have ten or more years of experience, the longest 82 years. 5 offer financing; 1 gives free estimates; 6 are family- or locally-owned and 9 list coupons or special offers. We have a website on file for 20 of the stations on this page; 12 publish a contact page; 6 list a public email and 5 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.
5 of the 24 shops here take bookings online. Some stations work on a queue instead, which is fine early in the month and painful at the end of it. If you can book, take the first slot of the day and you will be out before the line forms.
- “You will not find more reasonable, honest, or helpful auto technicians anywhere.” — customer of Robert's Automotive Service Center
- “Worked me in for a state inspection. I was in and out within a matter of minutes!” — customer of Cintech Automotive Repair
- “I have been a customer for years. They are always professional in diagnosing my car's problems.” — customer of Fred's Complete Car Care
- “We trust their recommendations completely and know that our vehicles are in expert hands.” — customer of Fred's Complete Car Care
Excerpts from public reviews of the stations listed on this page.
