STAR-certified, walk-in, no appointment necessary.
Smog Stop is a certified smog check station in San Juan Capistrano, California, testing cars, trucks, SUVs, vans, RVs, and diesel vehicles. We're a STAR station, meaning we're qualified to test vehicles the DMV specifically directs to a STAR-certified location, not just routine renewals.
Every test we run reports electronically to the DMV, so a passing result clears the registration hold without any paperwork on your end. Most tests are done in under 30 minutes, and no appointment is needed, walk in during business hours and we'll get you in.
We test the full range of DMV smog requirements: standard renewal, test-only, STAR-directed, diesel, out-of-state transfer, title transfer, and gross polluter retest.