Brentwood Muffler & Auto Repair

Yes. Brentwood Muffler & Auto Repair is STAR certified with the California Bureau of Automotive Repair, so it can test vehicles the DMV directs to a STAR station, including gross polluters.

No. Brentwood Muffler & Auto Repair 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.

Brentwood Muffler & Auto Repair is open Monday 8 AM to 5 PM; Tuesday 8 AM to 5 PM; Wednesday 8 AM to 5 PM; Thursday 8 AM to 5 PM; Friday 8 AM to 5 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Brentwood Muffler & Auto Repair accepts walk-ins, so you can drive in without booking ahead.

Brentwood Muffler & Auto Repair accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Brentwood Muffler & Auto Repair: wheelchair accessible entrance, wheelchair accessible parking.

Brentwood Muffler & Auto Repair has held a BAR smog license since 2007. You can verify the license status at bar.ca.gov.

Brentwood Muffler & Auto Repair 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 (925) 634-2200 for a quote.

Brentwood Muffler & Auto Repair does not take online bookings here, but walk-ins are welcome. Call (925) 634-2200 to check the wait.

Staff at Brentwood Muffler & Auto Repair 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 Brentwood Muffler & Auto Repair is a Test & Repair station, it can diagnose and repair the problem in the same shop, then run the free retest within 30 days. If the repair bill is steep, California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Brentwood are A-1 Stop Smog Brentwood (0.1 mi) and Horizon Smog (0.2 mi). Both are listed further up this page with their ratings and hours.