Sei

No. Sei is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.

No. Sei is licensed as a Test & Repair station. This station can run your smog test and, if the vehicle fails, diagnose and repair it in the same shop.

Sei is open Monday 8 AM to 4 PM; Tuesday 8 AM to 4 PM; Wednesday 8 AM to 4 PM; Thursday 8 AM to 4 PM; Friday 8 AM to 4 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Sei accepts walk-ins, so you can drive in without booking ahead.

Sei accepts Cash, Credit Card.

Sei has held a BAR smog license since 2006. You can verify the license status at bar.ca.gov.

Sei has not published a price on SmogCheckDeals. The Bureau of Automotive Repair puts the statewide average at $69.16 as of August 2026, about $65 for a 2000-or-newer vehicle and $73 for 1999-or-older, plus the $8.25 certificate fee. Call (909) 982-7272 for a quote.

Sei does not take online bookings here, but walk-ins are welcome. Call (909) 982-7272 to check the wait.

Staff at Sei speak English.

Bring the car, your registration or DMV renewal notice, and a way to pay. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.

Because Sei is a Test & Repair station, it can diagnose and repair the problem in the same shop, then retest the car. Each station sets its own retest price, so ask before the first test. If the repair bill is steep, BAR's Consumer Assistance Program pays up to $1,450 toward emissions repairs for income-eligible owners.

The closest alternatives in Upland are Save On Auto Care and IE Smog (0.1 mi). Both are listed further up this page with their ratings and hours.