STAR Certified Smog Check
Required for STAR-directed vehicles flagged on your DMV registration renewal. We're authorized to issue compliance certificates.
- DMV registration renewals
- Vehicles 2000 & newer
- Certificate sent to DMV instantly
Two essentials, one stop. STAR-certified smog inspections and a drive-thru car wash open 24/7 on Sycamore Drive — no appointment needed.
Drive in. Drive out. Most smog inspections completed in under 15 minutes — even on busy weekends.
Authorized by the California BAR for STAR-directed inspections — including DMV registration renewals and out-of-state vehicles.
Cars, trucks, SUVs, vans, hybrids, diesels and out-of-state vehicles. If the DMV requires it, we test it.
Smog inspections and a drive-thru car wash all on Sycamore Drive. Get everything done in one trip.
Drive-thru car wash open around the clock, every day. Smog inspections available during regular business hours — see hours below.
Locally operated for over 25 years. We treat every customer like a neighbor because most of them are.
Required for STAR-directed vehicles flagged on your DMV registration renewal. We're authorized to issue compliance certificates.
Standard California emissions test for non-STAR-directed vehicles. Quick, accurate, certified.
Learn more →Full smog testing for diesel trucks and hybrid vehicles. Same fast turnaround as standard checks.
Learn more →Just moved to California? We handle the smog inspection required for first-time CA registration.
Learn more →Authorized California Air Resources Board (CARB) Clean Truck Check inspections for heavy-duty diesel vehicles. Stay compliant and keep your fleet on the road.
Learn more →Fast, thorough drive-thru wash open 24 hours a day, 7 days a week. Bundle with a smog check and save.
Print, screenshot, or mention either offer at the time of service.
Choose one offer per visit. Customer's choice — let us know which you'd like when you arrive.
Our drive-thru car wash is open around the clock, 7 days a week. The smog inspection desk is staffed during the hours below.
"This has been my smog shop for over 25 years, the staff is fantastic and they always take care of me. The car wash is my favorite one in town since it's pretty fast and gets the job done well."
"This is my one-stop shop. The staff is professional and most importantly I can always trust them to take care of the smog checks for my entire family. Fast, honest, and fair pricing."
"Excellent customer service. Friendly staff. DMV smog services offered quickly and efficiently. The car wash is the BEST in Simi Valley hands down!"
"Got my smog checked here for the first time and the team answered every question I had and went above and beyond to make sure all of my concerns were addressed."
Family-owned and operated on Sycamore Drive since 1998, we've built our reputation one honest smog check at a time. Most of our customers are repeat customers — and many became friends along the way.
Call us, drop by, or get directions. No appointment needed for smog checks.