REG 4008 — Declaration of GVW/CGW
The REG 4008 form declares the gross vehicle weight (GVW) or combined gross vehicle weight (CGW) for commercial vehicles over 10,001 pounds with the California DMV. Tags Clinic in San Diego ensures accurate weight declarations, avoiding DMV visits.
Tags Clinic is a licensed California DMV Business Partner. Tags Clinic is not owned or operated by the California DMV.
View & print REG 4008
Free Tags Clinic branded copy — open below or download before your visit to San Diego or Escondido.

Reference image for Declaration of GVW/CGW
Instructions
- Fill out the REG 4008 form with vehicle details (VIN, make, model).
- Declare the GVW or CGW, verified by a certified weight certificate if required.
- Provide current registration or ownership proof.
- Sign the form to confirm the weight declaration.
- Bring to Tags Clinic for verification and submission to the DMV.
- Visit Tags Clinic in San Diego for expert assistance and same-day processing.
Frequently Asked Questions
When You Need This Form
Why This Form Exists
How to Fill Out This Form
Common Mistakes to Avoid
Executive Summary
The REG 4008 form declares the gross vehicle weight (GVW) or combined gross vehicle weight (CGW) for commercial vehicles over 10,001 pounds with the California DMV. Tags Clinic in San Diego ensures accurate weight declarations, avoiding DMV visits. Tags Clinic helps San Diego and Escondido customers complete REG 4008 with expert BPA review before DMV submission.
Key Takeaways
- Fill out the REG 4008 form with vehicle details (VIN, make, model).
- Declare the GVW or CGW, verified by a certified weight certificate if required.
- Provide current registration or ownership proof.
- Sign the form to confirm the weight declaration.
Important Facts
- Form
- REG 4008 — Declaration of GVW/CGW
- Free download available
- Help
- Walk-in at San Diego & Escondido
- Business type
- Licensed DMV Business Partner
Need help with REG 4008?
Walk in or request a quote — our team reviews your paperwork before submission.
Ready for Pain Free Declaration of GVW/CGW?
Request a quote, start check-in, or call our San Diego team — most eligible transactions are completed in one visit.
Tags Clinic is a licensed California DMV Business Partner. Tags Clinic is not owned or operated by the California DMV.
