Modesto's Favorite Smog Check Station

Stanislaus Smog is a Star certified California State Licensed Smog Test and Repair Station, conveniently located off Highway 99 at the Briggsmore Ave. exit 1400 N. 9th St. in Modesto California. We specialize in smog checks for all makes and models of vehicles; cars, trucks, vans, and SUV's. Licensed as a Star Station means we can Test, certify and repair All Vehicles for any reason. 

  • Smog Test Only
  • Smog Pre-Test 
  • Gross Polluter Test
  • Diesel Inspection
  • Family Owned Company
  • Quick & Affordable
  • Appointments Available
 Modesto Smog Test

We know that smog tests are not the most fun to plan for, but they are required to be done at a Certified Smog Test station. We aim to make your experience as pain-free as possible and we get you back on the road as fast as possible. 

Stanislaus Smog is a family owned and operated local business. We look forward to serving you soon.

Stanislaus Smog
1400 N. 9th Street, Suite 25
Modesto, CA 95350

Hours Of Operation:

8a-6p Mon-Fri | 9a-3p Sat
Closed Sundays

(209) 571-8000

Smog Check Automotive

We are conveniently located in the automotive business
park next to Hwy. 99.

 If you are located near Modesto, CA come see us for your next smog check.

Schedule Your Smog Check Appointment Today!
-Or Just Stop By When It's Convenient.


Stanislaus Smog proudly services the Modesto, California metro area, including: Ceres, Empire, Keyes, Modesto, Ripon, Riverbank, & Salida, CA.