Your Mobile Clean Truck Check Solution in all of California

Ask about our $10 Digital Gift Card for Each Qualified Clean Truck Check Referral (no limits)

Welcome to NORCAL CARB MOBILE, your premier mobile clean truck check inspection service for Northern California! Tired of waiting at a shop? Our certified technicians bring the convenience directly to you, whether you're at home or work, ensuring your vehicle meets all California Air Resources Board (CARB) and clean truck check requirements with minimal fuss. We pride ourselves on transparent pricing (starting as low as $50 for large fleets), reliable service, and a seamless experience that not only gets you back on the road quickly but also builds lasting trust, making us your go-to partner for all future CARB and smog compliance needs.

Click to Schedule Your Mobile Clean Truck Check Today!

Refer a Truck. Get $10. No Limits.

Know a truck that needs a Clean Truck Check? Send them our way and earn a $10 Digital Visa Gift Card for every truck that completes testing with us.

There’s no limit to how many cards you can earn — seriously. One of our customers referred 12 trucks and already has their own annual Clean Truck Check covered, totally free.

How it works:

  1. Tell a friend, coworker, or company about us.

  2. They mention your name when they book.

  3. Once their truck is tested, we send you a $10 digital gift card — fast and easy.

Whether you send one truck or ten, you’re saving money and helping others stay compliant. Everybody wins.

Start referring today and watch the rewards stack up.

Have questions or want to get started? Contact us anytime.

An advertisement emphasizing the importance of staying compliant and on the road for diesel truck operators over 14,000 lbs in California. It features a white semi-truck on a highway at sunset with a red stop sign icon. The text reads: "Stay complian
A row of white delivery vans parked in a lot surrounded by green trees on a sunny day.
A blue and black NEXIQ USB-Link 3 diagnostic device with various cables and connectors in a black case.
White Volvo semi-truck parked outside a garage on a cloudy day, reflected in puddles on the ground.
A man standing beside a white tow truck holding the door open at an industrial site with warehouse buildings and a chain-link fence in the background.
White septic pumping service truck with blue lettering and tree in background.
A laptop and electronic equipment on the hood of a white vehicle.
Logo for a clean truck check credentialed tester with a stylized checkmark and geometric shapes.
A laptop on a desk with a car dashboard visible in the background.
Piles of chopped wood and concrete debris next to a white service truck in a yard with a building and a tall radio tower in the background.
Close-up of a control switch with a blue rubber cover and a coiled cord, attached to a vehicle dashboard.
A white truck with a sign advertising a clean truck check for $75, including a phone number.