Best Car Inspection & Emissions Testing in Katy, TX

15 stations listed · 9 in Katy · 8 open weekends · 12 rated 4.5+

Data verified October 16, 2026

Katy RV Repair

Katy RV Repair

4.6 81 reviews
“Has an ac problem and Reese came to my location and found the issue quickly.”
Mobile service5th Wheel inspection $700Since 2002
18091 W Little York Rd suite 1
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Sonic Auto

Sonic Auto

4.9 61 reviews
“I've not used the shop for any other auto repairs or services, but this shop is a great place to get a state inspection.”
21925 Franz Rd #503
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Clutch Automotive

Clutch Automotive

4.8 122 reviews
“Their prices are reasonable, and as a woman, I appreciate that I never feel like they are trying to take advantage of me.”
Texas inspection stationWalk-ins welcomeStandard oil change $34.95Family-ownedSince 2019
1140 S Mason Rd
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Northwest Express Care

Northwest Express Care

4.5 98 reviews
“Went in for an oil change and everything was quick and easy.”
$25 off36-mo/36k-mi warrantyFree estimatesMobile serviceSame-day serviceFinancing available
19144 W Little York Rd Suite B
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Lonestar Auto Repair Katy

Lonestar Auto Repair Katy

4.4 124 reviews
“They explained what my vehicle needed, answered my questions, and provided great service.”
2311 N Fry Rd
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Corliss Automotive LLC

Corliss Automotive LLC

4.9 63 reviews
“If your car is having an issue, you only have to take it in to them one time because they always get it right!!”
5520 Franz Rd
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Listed for drivers in and around Katy, TX, 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: Katy, TX

Of the 15 stations we list here, 9 are in Katy itself and 6 come from Houston (4, 27 mi) and Cypress (2, 15 mi). The stations on this page are rated from 4.3 to 5.0 across 3,166 reviews; 14 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the stations on this page are "price", "honest" and "diagnosis". 8 are open on Saturdays and 1 on Sundays. 4 have ten or more years of experience, the longest 30 years. 2 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 10 of the stations on this page; 6 publish a contact page and 4 list 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 Katy test on Saturdays or Sundays?

Weekend testing is on offer at 8 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.

1463 Auto Repair LLC

1463 Auto Repair LLC

4.8 46 reviews
“I was recommended to go here for Quality work and good response time and they exceeded my expectations hard-working individuals that deserve every penny”
1260 FM 1463 # 300
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Certified Auto

Certified Auto

4.8 44 reviews
“I just needed a minor repair done, but Travis and his team were so friendly, so professional, and so quick to fix my issue.”
1035 Greenbusch Rd
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P&D Auto

P&D Auto

4.3 9 reviews
“Came here to see what's wrong with engine, and they were able to figure out the problem quickly and gave me an affordable quote for the cost of parts and labor, and they are very kinda and honest”
19320 Clay Rd
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US Auto Center

US Auto Center

4.6 133 reviews
“Helped me fix my car at a great price, quickest service ever!”
Coupons & offersAAA-approvedFour-wheel alignment $99.9530+ years
Cypress, TX · 15 mi from Katy
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Advance Automotive

Advance Automotive

4.6 81 reviews
“His technicians really knows there stuff—they takes the time to explain problems clearly and makes sure you understand what's being done to your vehicle.”
2-yr warrantySince 2004Free consultation
Houston, TX · 27 mi from Katy
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5 Speed Auto Repair

5 Speed Auto Repair

4.3 61 reviews
“Prices are reasonable, and they are great at explaining what you need.”
Lifetime warrantyFree consultationSince 2019Family-owned
Cypress, TX · 15 mi from Katy
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Bimmernation

Bimmernation

5.0 114 reviews
“They sent videos, pictures, and a precise text quote so I knew exactly what was needed—no hidden fees or gimmicks.”
Houston, TX · 27 mi from Katy
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Cartime Automotive

Cartime Automotive

5.0 137 reviews
“Stephanie the manager had her mechanics tighten the bolt and cleaned up the oil spatter under my car and she did not charge me for doing this.”
Houston, TX · 27 mi from Katy
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Tripp's Auto Tech

Tripp's Auto Tech

4.8 110 reviews
“Respectful knowledgeable team took care of everything I needed in a very reasonable amount of time”
Since 1998
Houston, TX · 27 mi from Katy
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Why these companies made our list

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