Smog Express
“Great customer service, failed my car based on visual inspection and didn't report it to DMV, Carfax, nor did he charge me.”
Best Car Inspection & Emissions Testing in Mission Viejo, CA
14 stations listed · 10 in Mission Viejo · 9 open weekends · 13 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Accurate Auto Repair
“Initially came here for an oil change and saw how clean and organized the shop was, have since had numerous services and repairs, will be coming here for all future mechanic needs.”
Laguna Viejo Auto Service
“Excellent repair service, completed on time and the front desk staff are happy and amazing and very helpful”
USA Smog Check
“The owner is very friendly, and I was out the door within 20 minutes.”
G & A Automotive
“Then go see Guillermo and Yenkis and they will take great care of your car and give you an honest estimate.”
Smog Simple
“The person who attended to me was very kind and quick and had good treatment.”
Listed for drivers in and around Mission Viejo, CA, these 14 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: Mission Viejo, CA
Of the 14 stations we list here, 10 are in Mission Viejo itself and 4 come from Aliso Viejo (5 mi). The stations on this page are rated from 4.3 to 5.0 across 1,603 reviews; 9 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise quality (91%), value (91%) and professionalism (82%). The topics that come up most in reviews of the stations on this page are "honest", "diagnosis" and "fair". 9 are open on Saturdays and 1 on Sundays. 1 shows a license on its website and 4 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 40 years. 1 is family- or locally-owned and 6 list coupons or special offers. We have a website on file for 11 of the stations on this page; 8 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 book a test online with shops listed for Mission Viejo?
2 of the 14 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.
Aliso Smog Check
“This is my go to place for future smog checks; I highly recommend this shop.”
Quality Smog Check
“I happened to arrive when nobody else was at the shop yet and i was taken right in, told it would take 15 - 20 minutes to complete the smog check, offered a seat and a beverage from the cooler.”
Anthony's Smog Pros
“I was done in 10 minutes, super fast and friendly, and the best price I found.”
714 Auto Repair
“I had rat damage in my truck and Joe immediately diagnosed the problem and his colleague got right to work fixing it.”
Accu Auto Services
“My sister, all my in laws, my mom & dad, niece and my son all have trusted Truong with our cars for over 20 years.”
Japanese Car Specialties
“It is the rarest thing to find a shop which is honest, Wendy and John are one of the few remaining honest auto shops left.”
Pacific Automotive
“They quoted a very good price compared to some other places and was able to replace the radiator in 3 hours (Not easy if you have seen the corvette engine compartment).”
Unique
“Prompt, professional service, fair prices, I highly recommend to support your excellent independent repair shop, like Unique.”
Why these companies made our list
What customers say about stations in Mission Viejo
- “Jay is very kind, intelligent, and patient in explaining everything you need to know.” — customer of USA Smog Check
- “Been using Smog Simple for years and I've recommended this station to all my friends and family.” — customer of Smog Simple
- “I've been taking my cars here for years (I have a fleet of 11 cars) and they've been great getting our vehicles smogged.” — customer of Anthony's Smog Pros
- “Very efficient operation. He also explained the process that would happen with the dmv without me having to ask.” — customer of USA Smog Check
- “First time and I can say I will definitely be back again in the future.” — customer of Smog Simple
Excerpts from public reviews of the stations listed on this page.
Is this page useful? Yes
No
Is there anything wrong with this page?
