★★★★★ 5.0 · 33 Google reviews
Mobile CARB Clean Truck Check — we come to your yard.
Fast, professional OBD & OVI Clean Truck Check testing across Northern California. No waiting rooms, no hold music — we test your fleet on-site, often the same week.
Serving Sacramento · Stockton · Fairfield · San Jose · Bay Area
Simple, upfront pricing
No surprise fees. The price you see is the price you pay — per vehicle, at your location.
OVI (Smoke) Test
Opacity / smoke test for older or non-OBD vehicles and motorhomes.
Book OVIMotorhome
Specialized motorhome and RV CARB smoke testing at your location.
Book MotorhomeSwitch & Save
Already use another tester? Switch to NorCal and your first test is half off.
Claim offerFleet & multi-truck discounts available — ask for a quote.
San Diego area: OBD $119 · OVI $219
Pricing is always subject to change due to matters out of our control.
How mobile testing works
Three steps and you're compliant — usually within the week.
Book in minutes
Call or send a request with your location and how many trucks need testing.
We come to you
Our certified tester arrives at your yard or jobsite — Sacramento to the Bay Area — including Saturdays.
Pass & paperwork
You get your result on the spot and we handle the CARB Clean Truck Check submission.
Trusted by NorCal fleets
★★★★★ 5.0 stars · 33 Google reviews
★★★★★“Tested all six trucks in under two hours. Very professional.”— Google review
★★★★★“Fair price, no upselling, no waiting.”— Google review
★★★★★“Came out on a Saturday before our DMV deadline. Highly recommend.”— Google review
Rather not deal with CARB at all?
NorCal Family — Full Care. We register your vehicles, watch your CTC-VIS deadlines, send reminders, and perform your mobile tests — so you never call CARB.
CARB's annual compliance fee (paid through CTC-VIS, per vehicle) + $40/year to us. Testing still OBD $75 · OVI $199 · Motorhome $99/$229 per visit.
Ask about Full CareReady to get your trucks tested?
Book mobile Clean Truck Check testing anywhere in Northern California. Same-week and Saturday appointments available.