Gp Test Only Center

Yes. Gp Test Only Center is licensed as a Test Only smog station. This station performs the smog test and issues the certificate. It does not do repairs, so a failed vehicle has to be fixed elsewhere and brought back.

Yes. Gp Test Only Center accepts walk-ins, so you can drive in without booking ahead.

Gp Test Only Center accepts Cash, Credit Card.

Gp Test Only Center has held a BAR smog license since 2026. You can verify the license status at bar.ca.gov.

Gp Test Only Center 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 (626) 510-3565 for a quote.

Gp Test Only Center does not take online bookings here, but walk-ins are welcome. Call (626) 510-3565 to check the wait.

We don't have hours on file for Gp Test Only Center, so call (626) 510-3565 before you drive over.

Staff at Gp Test Only Center 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.

Gp Test Only Center is a Test Only station, so it cannot do the repair. You would have the work done at a repair shop, then come back for the free retest within 30 days. California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Glendora are Test Only Center and Advanced Auto Smog Star (0.1 mi). Both are listed further up this page with their ratings and hours.