Affordable STAR Certified Smog Checks
DMV Registration & Title Transfer Services
Affordable STAR Certified Smog Checks
DMV Registration & Title Transfer Services
Pass or Free Retest
Smog Check for All Vehicles: Cars, Trucks & Hybrids
Visit Us on Waterloo Rd – Near Hwy 99
DMV Registration Renewal
Registration Replacement
Stickers Replacement
Title Transfer
License Plate Replacement
And more ...
STAR Certified Station
Smog Check (Pass or free retest*)
Gasoline, Hybrid and Diesel Vehicles
Biennial/ Change of Ownership
Out-of-state Vehicle Smog Tests
Gross Polluter Smog Tests
Fast service
Notary Public Services
ECO Smog Stockton, STAR Station
Address: 2420 Waterloo Rd, Stockton, CA 95205
Phone: +1-209-941-6122
9 am – 5:30 pm Monday through Friday
9 am – 5:00 pm Saturday
10 am – 3:00 pm Sunday
*Smog Check, pass or one free retest within 30 days; Extra fee for 1999 and older vehicles.
ECO Smog is DMV licensed service provider not a branch of DMV.
Q: Do I need an appointment for a smog check?
A: No appointment is needed! Walk-ins are welcome 6 days a week.
Q: Where are you located?
A: We're at 2420 Waterloo Rd in Stockton, CA — near Hwy 99.
Q: Are you a STAR-certified station?
A: Yes, Eco Smog is STAR certified and authorized for DMV-required inspections.
Q: Do you offer DMV registration services?
A: Yes! We handle registration renewals, title transfers, out-of-state vehicles, and more — all on-site.