Tool In Hand
“I've only had the best experiences here - fair prices, exceptionally fast and quality work, and the kindest staff.”
Best Car Inspection & Emissions Testing in Frederick, MD
15 stations listed · all 15 in Frederick · 4 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Tire Mart & Automotive
“Trustworthy, Knowledgable, Fair on price, Willing to go the extra mile and always helping our friends and family!”
Ken's Automotive & Transmissions
“Excellent service on my Acura's power steering - professional and courteous service.”
Rose Hill Service Center
“Frank and his team are always reliable and forward looking when it comes to our maintenance.”
South Side Tire & Auto
“Very professional, clean facility, they did what they said they would do in a timely manner and for the price discussed.”
Superior Auto Service Center
“They offer great specials and customer referral service that offers me the opportunity to save even more.”
Listed for drivers in and around Frederick, MD, 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: Frederick, MD
All 15 stations we list here are in Frederick itself. We have 16 stations in Frederick on file; this page shows the highest-rated 15. The stations on this page are rated from 4.3 to 5.0 across 3,282 reviews; 12 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 "honest", "price" and "communication". 4 are open on Saturdays. The services the stations on this page list most often on their websites are brake repair (4), engine repair (3), oil changes (3), factory scheduled maintenance (2) and transmission repair (2). 5 list staff certifications (ASE) and 6 have a BBB rating of A or A+. Domain records put 10 websites of the stations on this page at ten or more years old; the oldest dates from 2001. 3 offer financing; 3 give free estimates; 7 are family- or locally-owned and 9 list coupons or special offers. We have a website on file for 12 of the stations on this page; 11 publish a contact page; 5 list a public email and 2 take 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 Frederick test on Saturdays or Sundays?
Weekend testing is on offer at 4 of the 15 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.
Advanced Automotive Repair
“Everyone was super nice, I needed a MD inspection last minute and they were nice enough to squeeze me in that day.”
Churchill Auto Care
“Churchill Auto Care is a great place I need an inspection done and they were able to take me the same day and got me in and out pretty quickly.”
Spectra Auto Services
“I trust Spectra with our vehicles because I know they are only going to recommend what actually needs to be done as opposed to frivolous/extra charges, & they are going to do it correctly the first time!”
Bussard's Auto Repair & Towing
“I called and in less than 5 minutes I was picked up and towed to my destination by the operator.”
Carriage House Automotive
“They give an honest assessment of what you need done to your vehicle and do the work well.”
Center City Tire & Auto
“These guys report all services to Carfax, so I'll be bringing my 2016 4runner here for scheduled maintenance.”
Foreign Auto Excellence Inc
“They are always respectful of her budget limitations and are 100% honest.”
Rayo's Auto Services
“Excellent service in all types of work at an affordable price, recommended”
Fenix Auto Repair
Why these companies made our list
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