About Us
Golden State Emissions Testing
At Golden State Emissions Testing, we specialize in mobile clean truck check and opacity testing services throughout the Bay Area. Our mission is simple: make emissions compliance fast, convenient, and reliable for truck owners and fleet operators across Northern California.
We understand that time off the road means lost revenue. That’s why we bring our mobile clean truck check services directly to your location, whether you're operating in Antioch, Brentwood, Oakley, Concord, or anywhere in the surrounding Bay Area.
Built for Truckers, Fleets, and Business Owners
Golden State Emissions Testing was built to solve a common problem — long wait times, inconvenient testing locations, and unnecessary downtime. Our mobile service eliminates those issues by providing on-site emissions testing when and where you need it.
We work with:
Independent owner-operators
Fleet managers
Construction companies
Logistics and transportation businesses
Whether you have one truck or an entire fleet, we ensure your vehicles stay compliant with California emissions regulations.
Certified, Reliable, and Fast
Our team is trained and certified to perform clean truck check and diesel opacity testing in accordance with California CARB requirements. We use professional-grade equipment to deliver accurate results and fast turnaround times.
When you work with us, you can expect:
Prompt scheduling and 24/7 availability
Accurate, compliant testing
Minimal disruption to your operations
Professional and dependable service
Serving the Entire Bay Area
We proudly provide mobile emissions testing services across the Bay Area, including:
Antioch, Brentwood, Oakley, Pittsburg, Concord, Walnut Creek, Livermore, Pleasanton, and surrounding cities.
Our local knowledge allows us to serve businesses efficiently, whether you're near major trucking routes, job sites, or distribution hubs.
Why Choose Golden State Emissions Testing?
We’re not just another emissions company — we’re a mobile-first service built around your schedule.
✔ We come to you
✔ We save you time
✔ We keep you compliant
✔ We help you avoid costly delays and penalties
Our goal is to build long-term relationships with our clients by providing consistent, high-quality service you can rely on.
Stay Compliant Without the Hassle
If you're looking for a mobile clean truck check in the Bay Area, Golden State Emissions Testing is here to help. We make the process simple so you can stay focused on running your business.
Contact us today to schedule your on-site emissions testing service.
Experience & Expertise
Golden State Emission Testing brings hands-on experience in diesel emissions compliance testing. All inspections are performed by certified technicians using approved equipment and procedures to ensure accurate, reliable results. Our mobile testing model allows us to efficiently support fleets and owner-operators while maintaining strict compliance standards.
Commitment to Compliance
We strictly adhere to CARB Clean Truck Check standards, with a strong focus on accuracy, documentation, and proper reporting. Every test is completed with attention to detail to help prevent registration delays, enforcement holds, and compliance issues.
Work Process
Effortless Compliance in Simple Steps
Experience hassle-free emissions testing with Golden State Emissions. Our streamlined process ensures your vehicles meet CARB regulations with minimal disruption.
Register Vehicle for CARB
Register your vehicle through the CARB Clean Truck Check system.
Appointment for Clean Truck Check
Contact Golden State Emissions to schedule a mobile Clean Truck Check appointment at your location.
Receive Certification
Receive your compliance certificate required for DMV registration and renewal.