Grease Monkey Garage

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

No. Grease Monkey Garage 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.

Grease Monkey Garage is open Monday 9 AM to 5:30 PM; Tuesday 9 AM to 5:30 PM; Wednesday 9 AM to 5:30 PM; Thursday 9 AM to 5:30 PM; Friday 9 AM to 5:30 PM. Closed Saturday and Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Grease Monkey Garage accepts walk-ins, so you can drive in without booking ahead.

Grease Monkey Garage accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at Grease Monkey Garage: wheelchair accessible entrance, wheelchair accessible parking.

Grease Monkey Garage has held a BAR smog license since 2023. You can verify the license status at bar.ca.gov.

Grease Monkey Garage 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 (619) 871-5729 for a quote.

Grease Monkey Garage does not take online bookings here, but walk-ins are welcome. Call (619) 871-5729 to check the wait.

Staff at Grease Monkey Garage 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 Grease Monkey Garage 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 El Cajon are In-N-Out Smog Check and Roy Wheeler Auto Service Center (0.3 mi). Both are listed further up this page with their ratings and hours.