Low Price Smog Check
- Fair
- Reviews
- Money
Ontario has 42 mechanics of its own; this list adds 22 from towns including Rancho Cucamonga (8), Fontana (4) and Brea (3).
24 listed · 2 in Ontario · 19 rated 4.5+ · 2 show a license

Their ratings run from 4.0 to 4.9 across 2,183 reviews; 15 have 50 or more reviews; 19 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (92%), quality (84%) and value (76%). 2 show a license on their websites; 11 have a BBB rating of A or A+. Domain records put 4 of their websites at ten or more years old; the oldest dates from 2008. 1 is family- or locally-owned. We have a website on file for 15 of them; 7 publish a contact page; 1 lists a public email. We count these figures across the mechanics on this page, from their listings and their own websites; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
The 24 shops on this page carry out emissions and inspection work in and around Ontario, CA. What each one says about its station license, hours and retest policy comes from its own website; ratings and quotes come from public reviews.
2 of the 24 shops on this page list a license or certification on their websites. Emissions stations are licensed by the state and the license has to be displayed at the station itself, so it is easy to confirm when you arrive. The listing shows what each one states.
Excerpts from public reviews of the mechanics listed on this page.