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24 stations listed · 10 in Katy · 1 open 24/7 · 16 open weekends · 19 rated 4.5+
Data verified October 16, 2026
Listed for drivers in and around Katy, TX, 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, 10 are in Katy itself and 14 come from towns including Houston (8, 27 mi), Cypress (3, 15 mi) and Richmond (2, 15 mi). The stations on this page are rated from 3.9 to 5.0 across 4,332 reviews; 22 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these stations on specific qualities, they most often praise professionalism (100%), quality (90%) and value (83%). The topics that come up most in reviews of the stations on this page are "honest", "warranty" and "communication". 1 is open around the clock; 16 are open on Saturdays and 3 on Sundays. 1 lists staff certifications (ASE) and 2 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 34 years. 1 offers emergency or roadside call-outs; 1 offers financing; 3 give free estimates; 2 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for 19 of the stations on this page; 15 publish a contact page; 9 list a public email and 3 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.
Weekend testing is on offer at 16 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.
