Service areas
Mobile CARB testing across 100 miles of Northern California
From the Port of Sacramento to the orchards of Yuba County, we bring certified Clean Truck Check testing to your location. Same-day service for most of our coverage area.
Cities we serve
Pick your city for local details
Each location page covers response times, nearby landmarks, common industries, and answers to questions specific to that community.
Chico
2-3 business days
Davis
1-2 business days
Elk Grove
Same day or next business day
Folsom
Same day or next business day
Modesto
1-2 business days
Rancho Cordova
Same day or next business day
Roseville
Same day or next business day
Sacramento
Same day or next business day
Stockton
1-2 business days
Yuba City
2-3 business days
Don't see your city listed? We regularly travel beyond this core coverage for fleet customers. Call (916) 538-7777 to confirm availability.
One call, one mobile visit
We schedule most appointments within 24 to 48 hours across our Northern California coverage area.