Quick Summary: California trucking businesses and owner-operators must meet both state and federal liability minimums depending on their weight class, cargo, and whether they cross state lines. Most carriers need FMCSA filings such as the MCS-150 and BOC-3, and many must carry specific endorsements like the MCS-90 to show proof of financial responsibility. Requirements vary widely—so guessing can put your authority, contracts, and livelihood at risk. Here’s a clear, plain-language guide from Shaver Insurance Agency in Fontana, CA.

California vs. Federal Trucking Insurance Requirements

If you run trucks in the Inland Empire—along routes like I‑10, I‑15, SR‑60, or across Fontana’s busy logistics hubs—you’ll need to understand which rules apply to your operation. Trucking insurance requirements depend on two main factors:

• Where You Operate: Only inside California vs. interstate commerce
• What You Haul: General freight, hazmat, autos, household goods, etc.

California Liability Minimums (Intrastate Only)

For trucking companies that operate strictly within California state lines, minimum liability limits are set by the California DMV and CPUC. Typical requirements include:

• $750,000 liability for general freight
• $1,000,000 liability for oil transport
• $5,000,000 liability for hazardous materials

These limits are enforced through state filings such as the MCP-65 (proof of insurance for the Motor Carrier Permit). If you’re not sure which filing you need, Shaver Insurance can help you sort that out quickly.

FMCSA Requirements (Interstate Trucking)

If your trucks cross state lines—even occasionally—you enter the world of federal compliance. That means meeting FMCSA requirements such as:

• BOC-3 Filing: Required for all interstate carriers
• MCS-150: USDOT registration and biennial update
• Federal Liability Minimums:
  • $750,000 for general freight
  • $1,000,000 for household goods
  • $5,000,000 for hazmat

Keep in mind that many brokers, shippers, and freight forwarders will require $1 million liability and $100,000 cargo as a baseline even if the FMCSA minimums are lower.

What Is the MCS‑90 Endorsement—and Do You Need It?

The MCS‑90 endorsement is one of the most misunderstood trucking insurance requirements. Simply put, it’s a federal endorsement proving your business can pay for certain damages caused by your truck, even if the claim would normally be excluded by your policy.

You must carry an MCS‑90 if:

• You operate in interstate commerce
• You transport regulated commodities

It does not replace your liability insurance—it works alongside your policy to satisfy FMCSA financial responsibility rules.

Why California Trucking Businesses Should Not Guess

With freight volumes constantly moving through Fontana, Ontario, Rialto, and the entire Inland Empire, trucking companies face strict oversight. Missing the correct filing or carrying the wrong limits can lead to:

• Authority delays or suspension
• Costly FMCSA fines
• Problems signing with brokers and shippers
• Out-of-service orders at roadside inspections

Every operation is different—that’s why working with a knowledgeable local trucking insurance agent matters.

Need Help Choosing the Right Coverage?

Shaver Insurance Agency has been serving Fontana and the Inland Empire since 1985, and we work with many small trucking companies, owner-operators, and logistics fleets running routes up and down the I‑10, I‑15, and the Cajon Pass. We help you understand exactly which filings, limits, and endorsements your operation needs—no guesswork required.

Explore our trucking coverage options here:
Trucking Insurance

If you operate service vans, light-duty trucks, or a mixed fleet, we also offer:
Commercial Auto Insurance

Not sure what applies to your business? We’re here to help.

Get a Compliance Review Today

Whether you're an owner-operator or a growing fleet, we can help you stay compliant and protected. Contact Us or call (909) 829‑2002 for a fast trucking insurance and compliance review.