Skip to main content
CARB Diesel Test
Newmar Dutch Star luxury diesel motorhome staged for a mobile CARB Clean Truck Check, with an American flag backdrop

CARB Testing in Folsom

Certified mobile CARB testing across Folsom

Folsom-based fleets, contractors, and RV owners get on-site Clean Truck Check testing with results uploaded before we leave.

CARB Credentialed Tester
200+ 5-Star Reviews
OBD & OVI Certified
Mobile Service Available

Mobile CARB testing for Folsom

Folsom’s economy mixes tech employment with active construction, contracting, and a strong residential RV community along the Folsom Lake corridor. All of those segments share one thing: heavy-duty diesel equipment subject to the CARB Clean Truck Check program. Our mobile service handles the testing where the trucks already are.

Where we dispatch in Folsom

We regularly serve the East Bidwell commercial area, the Broadstone business parks, Intel-area corporate fleets, Folsom Boulevard and Prison Road industrial addresses, and residential neighborhoods throughout Folsom, Empire Ranch, Briggs Ranch, and Natoma Station.

RV owners near Folsom Lake

Folsom Lake is one of the region’s most popular RV destinations, and the big coaches that travel here are increasingly subject to the Clean Truck Check mandate. Heavy-duty motorhomes over 14,000 lbs GVWR need periodic compliance testing, and we come to your storage facility or home driveway to run the procedure. No moving the coach for the test.

Contractor fleets

Folsom-based and Folsom-active contractors in grading, paving, tree service, and general construction regularly book us for mobile testing of their heavy-duty rigs. One stop, multiple trucks, and we are back out of your way quickly.

Book your Folsom visit

Call us to confirm your scheduling window. Most Folsom appointments go within 24 hours of request.

Local landmarks we dispatch near

  • East Bidwell Street commercial corridor
  • Folsom Boulevard and Prison Road area
  • Intel and Broadstone business parks
  • Historic Downtown Folsom
  • Folsom Lake and reservoir access routes

Folsom industries we serve

  • Construction and grading contractors
  • Landscape and tree-service fleets
  • Delivery and service trucks
  • Residential RV and motorhome owners
  • Municipal utility vehicles

Frequently asked questions

Can you test at home addresses in Folsom?
Yes. Residential testing in Folsom is routine for RV owners and owner-operators. We need safe parking, a charged battery, and about 30 to 45 minutes depending on test type.
How quickly can you reach a Folsom location from Sacramento?
About 30 minutes in normal traffic. Most Folsom appointments are scheduled within 24 hours, and we often handle same-day visits for time-sensitive DMV holds.
Do you work with contractor fleets parked at Folsom project sites?
Yes, when access is safe and clear. Construction and grading contractors with equipment staged in Folsom-area developments can schedule on-site testing.
Does my Folsom truck need an OBD or OVI test?
It depends on your engine model year. Diesel engines from 2013 and newer take the electronic OBD test, and 2012 and older engines take the OVI smoke opacity and visual inspection. We are credentialed for both and bring the right equipment based on the engines you tell us about when booking your Folsom visit.
How much does CARB Clean Truck Check testing cost in Folsom?
There are two parts. CARB charges an annual compliance fee of $32.13 per vehicle in 2026, paid to the state. Separately, you pay for the test itself, which depends on the test type and vehicle count. Mobile pricing is consistent across our coverage area, and fleets scheduling several trucks in one visit qualify for volume rates. Call (916) 538-7777 for a quote.
How fast does a Folsom test clear my DMV registration hold?
For 2013 and newer engines passing the OBD test, we upload results during the visit and CARB releases compliance to the DMV the same business day in most cases, so a Folsom-registered rig can come off its hold within hours. OVI results take several business days for CARB to process.
What happens if my Folsom truck fails the test?
A failed test carries no fine by itself, but your DMV hold stays until you repair the issue and pass a retest. We tell you exactly what failed, point you to the specific OBD trouble code or OVI finding, and can recommend trusted diesel repair shops in the Folsom and east Sacramento County area. Once the fix is done, we come back and retest.
Are you actually CARB credentialed?
Yes. We are credentialed by the California Air Resources Board for both OBD testing and OVI opacity testing, and our credentials are verifiable on the CARB Clean Truck Check program registry. We provide credential numbers on request before any service visit.

Book Folsom mobile testing

Get a tester on your Folsom site

Tell us about your vehicles. We respond within 2 hours during business hours.

Or call us directly at (916) 538-7777. We typically respond within 2 hours during business hours.

Ready for mobile CARB testing in Folsom?

One call books one truck or an entire fleet.

Call (916) 538-7777 Request a Quote
Call Now Book Online