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Union Auto Service
“When I went to the location he directed me in, the owner of union auto shop had called ahead and let them know what I needed and when I got there they were able to help me.”
Best Car Inspection & Emissions Testing in Union, NJ
24 stations listed · 12 in Union · 21 open weekends · 20 rated 4.5+
Data verified October 16, 2026
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Parkside Service Center
- Mechanic
- Team
- Inspection
“You will always save money in the long run by having Parkside service your car because of the quality of the work, the parts used, and the depth of the team's knowledge having decades of experience.”
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Clarke's Auto Repair
- Cost
- Quality
- Mechanic
“I had been experiencing some issues with my dump truck and aside from him being able to discover the underlying issue, he went above and beyond my expectations.”
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Santos Service Center
- Team
- Engines
- Price
“It's a small shop and your wouldn't think much of it when driving by but they are always busy because they are one of the few out there that you can trust.”
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City Tires
“Excellent service, quick and fast”
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Good Guys Auto Service & Repair LLC
- Oil
- Engine
- Mechanic
“He quickly stopped doing what he was doing, checked out my car, fixed it in 10 minutes, fixed the puncture and was about to let me go without charging me a penny.”
Listed for drivers in and around Union, NJ, 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: Union, NJ
Of the 24 stations we list here, 12 are in Union itself and 12 come from towns including Union City (9, 13 mi), Belleville (1, 9 mi) and Brooklyn, NY (1, 17 mi). The stations on this page are rated from 4.0 to 5.0 across 1,727 reviews; 10 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (95%), quality (91%) and value (82%). The topics that come up most in reviews of the stations on this page are "fair" and "honest". 21 are open on Saturdays. 3 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 43 years. We have a website on file for 4 of the stations on this page; 1 publishes a contact page and 1 lists a public email. 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.
Which shops listed for Union test on Saturdays or Sundays?
Weekend testing is on offer at 21 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.
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RJ One Auto Repair
“Richie and Jose took the car in, did their diagnostics, informed me of the issues, how to proceed and the cost, a reasonable cost compared to other mechanics”
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Dn&o Auto Repair LLC
- Vehicle
- Mechanic
- Prices
“My favorite Car shop”
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Sals Kar Car Center
- Fair
- Vehicle
- Mechanic
“My father suggested his mechanic, Sal since it was around the corner from both my job and a family members house so it was in the perfect location if someone had to run down to Sal to look @ something or pay for my vehicle to be picked up and also wa...”
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Randy's Tire Shop LLC
- Check Engine Light
- Driving
- Mechanic
“I really recommend Randy's Auto services”
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One Way Auto
- Warranty
- Price
- Mechanic
“Now, after seeing how they work -- clear, straight-forward, professional and with integrity -- I brought my car in for an AC repair which turned out to be a bigger job than expected due to the car being 20 years old and scarcity of parts.”
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Barry's Auto Center
- Prices
“Brought it in the morning, they called me in 2 hours to let me know I was right, and exactly how much it would cost which was exactly in line to what I expected it to cost and had it all done and ready to pick up 2 hours later.”
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J & M Auto Tech
- Vehicle
- Oil
- Mechanic
“Not only did they not install it since it wasn't needed once they had gotten into the repair, but they let me know when they easily could've charged me since I knew they ordered the part to begin with.”
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Stuyvesant Auto Repair
- Mechanic
- Prices
- Job
“He was very kind, knowledagble, and replaced the front brakes and rotors on my BMW X2 within an hour, even though I got there 30 minutes before closing and was planning on leaving my car there.”
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Frank Car Depot Auto Repair
- Work
- Mechanic
- Honest
“Frank cardepot is the only mechanic shop where customers are always super safe and satisfied, so if you have a problem with your car, come see Frankie, # .....”
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Carlos Auto Repair
“A Great mechanic shop friendly and professional, Carlos has been fixing and doing routine maintenance services for my rides over years, his services are courteous, prompt and very reasonably priced, hands down the best mechanic in county from experie...”
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Spruce Garage
- Prices
“I was so nervous about what was going on with my car and he assured me right away that it was nothing to worry about and let me come in the next morning.”
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Beracas Auto Repair and Tires LLC
“Best Used and New Tire place!”
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RV Auto Repair
- Efficient
- Honest
- Mechanic
“Duli is very sincere about what the car needs and if he can't do it he lets you know from the beginning and he is not like others who for the money start saying that he knows how to do it.”
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Diego's Auto Repair
- Price
- Mechanic
“Very good”
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T & J Tire Center
“Great all around service.”
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Chavez Auto Center LLC
- Mechanic
“Honest and hardworking.”
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Joe's Auto Repair
- Priced
- Mechanic
“Straightforward, honest mechanic and a great person.”
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Junior Auto Repair
- Price
“Excellent service and good prices”
Why these companies made our list
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