Price
Call for price
Hours
Open Mon–Fri
Station type
Test & Repair
Appointments
Walk-ins welcome
Hours
- Monday
- 8 AM – 5 PM
- Tuesday
- 8 AM – 5 PM
- Wednesday
- 8 AM – 5 PM
- Thursday
- 8 AM – 5 PM
- Friday
- 8 AM – 5 PM
- Saturday
- Closed
- Sunday
- Closed
Good to know
Languages
English
Payment
Cash, Credit Card
What to expect at K O American Automotive
K O American Automotive is licensed by the Bureau of Automotive Repair as a Test & Repair smog station in Lake Forest, so it can run the inspection and, if your car fails, diagnose and fix it in the same shop. It is STAR certified, so it can test vehicles the DMV directs to a STAR station, including gross polluters.
Walk-ins are welcome. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.
What to bring
Your registration or DMV renewal notice
It says whether the car needs a STAR station.
The car, with the check engine light off
On a 2000-or-newer car, a lit check engine light fails the test on its own.
A way to pay
The $8.25 state certificate is paid on top of the test when the car passes, unless the station's price or coupon includes it.
What if I fail?
- K O American Automotive 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.
- BAR's Consumer Assistance Program pays up to $1,450 toward emissions repairs for income-eligible owners.
23121 Orange Ave #4, Lake Forest, CA 92630
Get directions →Hours
- Monday
- 8 AM – 5 PM
- Tuesday
- 8 AM – 5 PM
- Wednesday
- 8 AM – 5 PM
- Thursday
- 8 AM – 5 PM
- Friday
- 8 AM – 5 PM
- Saturday
- Closed
- Sunday
- Closed
Also listed on
Other stations near K O American Automotive
AA Smog Test Only
23141 Orange Ave
Mission Service Center
23121 Orange Ave Unit D & E
A-K Auto Repair
23141 Orange Avenue
Auto Star Smog Check And Repair
23211 Cherry Ave Suite C
O C Auto Care
22751 Aspan St Unit H & I
Nearby cities in Orange County
Questions about K O American Automotive
K O American Automotive 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.
K O American Automotive accepts Cash, Credit Card.
K O American Automotive has held a BAR smog license since 2006. You can verify the license status at bar.ca.gov.
K O American Automotive 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 (949) 581-1231 for a quote.
K O American Automotive does not take online bookings here, but walk-ins are welcome. Call (949) 581-1231 to check the wait.
Staff at K O American Automotive speak English.
The closest alternatives in Lake Forest are AA Smog Test Only and Mission Service Center. Both are listed further up this page with their ratings and hours.
How we get this data: BAR licenses and STAR status, Google hours and ratings, coupons published by the station.
Verify this station’s license and STAR standing at bar.ca.gov.
Own this shop? Add photos
BAR field office: San Diego • Licensed since 2006