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Starting a dump truck business in California: permits, CDL, insurance and lettering
Short answerA dump truck business in California needs a Class B CDL for trucks over 26,001 lbs, a USDOT number, Motor Carrier Permit with CA number, BIT enrollment, commercial insurance, and, if you haul for hire on public works, a DIR public works registration. Name, USDOT and CA number go on both doors.
The checklist, in order
- CDLClass B for a single-unit dump truck over 26,001 lbs; Class A if you pull a pup or transfer trailer.
- USDOT numberRequired in California for intrastate carriers.
- Motor Carrier Permit and CA numberCalifornia DMV, BIT enrollment, $750,000 liability minimum for trucks over 10,001 lbs (more for some hauling).
- InsuranceLiability, physical damage, and pollution coverage if you haul contaminated material.
- DIR registrationPublic works hauling requires registration with the Department of Industrial Relations and prevailing wage compliance.
- Dump truck brokerageIf you haul under a broker, they'll ask for the MCP, insurance certificates and lettered truck photos.
- Letter the truckName, USDOT and CA number on both doors; unit number is common.
What goes on the truck
| Company name | As on the MCP |
|---|---|
| USDOT | USDOT 1234567 |
| CA number | CA 123456 |
| Unit number (optional) | Unit 12 |
Both sides, contrasting color, readable from 50 feet in daylight. Two inch numbers is the standard; the rule is legibility, not a fixed height.
Related questions
Do I need an MC number for dump trucks?
Not for California-only work.
Is the GVW required on the door in California?
No. Some states require it; California doesn't.
Checked September 2026 against FMCSA, California DMV, CHP, CSLB and BHGS requirements. A plain-English summary, not legal advice; fees and insurance minimums change, so confirm with the agency before filing.