TL;DR: CVC 34631.5 sets California's floors: $750,000 combined single limit at 10,001 pounds and up, $300,000 for for-hire vehicles under 10,000 pounds, $1,200,000 for bulk petroleum, $1,000,000 for oil and listed hazmat, and $5,000,000 for bulk gases, explosives, and radioactive loads. Brokers require $1,000,000 on top.
What liability limits does California require for trucks?
California sets its own tier table in Vehicle Code 34631.5, enforced through the Motor Carrier Permit's insurance filing rather than through registration alone. The amounts, unlike most states' intrastate floors, are real trucking numbers.
| Category | Minimum | Federal comparison |
|---|---|---|
| General property, 10,001 lbs GVWR and up | $750,000 CSL | Equal to the federal floor |
| For-hire property, under 10,000 lbs | $300,000 | No federal intrastate equivalent |
| Petroleum products in bulk | $1,200,000 CSL | Above the federal $1,000,000 oil tier |
| Oil, listed hazmat, hazardous waste | $1,000,000 | Equal |
| Bulk gases, explosives, radioactive | $5,000,000 | Equal |
Why does California match federal levels when other states go lower?
Deliberate policy: when California built its permit act, it pegged intrastate financial responsibility to the federal amounts so a crash victim's recovery would not depend on whether the truck happened to cross a state line, and it went further for petroleum because tanker fires and spills in dense corridors are the state's nightmare scenario. The practical effect for carriers is simplicity: one policy at $750,000 or better satisfies both the MCP filing and the federal filing, and most operations carry $1,000,000 anyway for the contract layer.
What limits do working California carriers actually carry?
$1,000,000 combined single limit as the baseline, because broker and shipper packets require it and because it clears every general-freight requirement, state and federal, at once. Petroleum haulers carry at least the $1,200,000 state figure. Hazmat operations match their tier exactly and verify the commodity classification, since the difference between an oil tier and a bulk-gas tier is $4,000,000 of required limit. And fleets with terminals and equipment equity in California's verdict environment increasingly buy excess layers above the primary, priced for a state where catastrophic-injury awards run high.
How do the light-vehicle rules work?
California is unusual in setting a $300,000 floor for for-hire property vehicles under 10,000 pounds GVWR, cargo vans, sprinters, hotshot setups below the threshold, through the MCP system. Federal interstate rules reach these vehicles differently, and the FMCSA filing scheme sets $300,000 for lighter non-hazardous fleets too, so the numbers align in practice. The trap for light operators is assuming smallness means exemption: the MCP requirement and its filing apply, brokers still demand $1,000,000 certificates for meaningful freight, and a loaded sprinter can produce an injury claim no different from a box truck's.
What happens when limits and operations drift apart?
The filing freezes while the business moves. A carrier that adds bulk fuel hauling on a $750,000 general-freight filing, or grows a van fleet past 10,000 pounds GVWR equipment, is operating beyond its certified category, and the mismatch surfaces at CHP inspection, DMV audit, or, worst, at a claim where the insurer discovers operations it never rated. The fix is procedural: when commodities, equipment, or lanes change, tell your agent the same week so the policy, the MC 65 M, and any federal filing move together. Category drift is the quiet way California carriers end up effectively uninsured.
Where do I verify current numbers?
Vehicle Code 34631.5 for the statute, the DMV Motor Carrier Services pages for filing procedure, and FMCSA for the federal tiers. The California Department of Insurance, 1-800-927-4357, handles insurer and policy questions. The amounts have been stable for years, but check the statute text before quoting numbers anywhere it counts, and let contracts, not floors, set what you actually buy.
Real questions California owner-operators and fleet managers ask
What is the minimum insurance for a semi in California?
$750,000 combined single limit under CVC 34631.5, filed with the DMV for the Motor Carrier Permit, the same figure as the federal interstate floor. Working carriers buy $1,000,000 because broker contracts require it, and hazmat commodities move the floor to $1,000,000 or $5,000,000.
Why do California fuel haulers need $1,200,000?
The statute sets bulk petroleum at $1,200,000 CSL, or split limits with $200,000 property damage, above the federal $1,000,000 oil tier, reflecting tanker severity in dense corridors. Intrastate fuel operations file at that level; interstate fuel work carries whichever applicable figure is higher.
Do cargo vans need commercial limits in California?
For-hire property vehicles under 10,000 pounds carry a $300,000 state minimum through the MCP system, and the MCP itself applies. Brokers routinely require $1,000,000 anyway, so most working van operators buy the standard limit rather than the floor.
Does my California filing satisfy interstate requirements too?
The limits usually do, since California matches or exceeds federal levels, but the filings are separate: the MC 65 M goes to the DMV and the BMC-91 or BMC-91X to FMCSA. Interstate operation needs the federal filing and MCS-90 regardless of what the state has on file.
Should a California fleet buy more than the required minimums?
Fleets with assets generally do, adding excess layers above $1,000,000, because California's litigation environment produces severe verdicts and the minimums date from calmer eras. Size limits to what a catastrophic crash could take from the business, not to the statute.
Why truckers work with Morrow
- We know the filings. Morrow is licensed in California and writes limits that satisfy the MCP filing, the federal tiers, and your contracts simultaneously.
- New authority is our normal. First-year carriers pay the most and get declined the most. We work with markets that actually want new ventures and we tell you what the first renewal takes.
- Certificates and filings, fast. Certificates of insurance the same business day for most carriers, and federal or state filings submitted electronically so your authority is not sitting in a queue.
- We quote the whole picture. Liability, cargo, physical damage, and the endorsements shippers and brokers actually check for, priced together so nothing is missing when a load is on the line.
- Real people when something goes wrong. A claim, a lapse notice, or a lost certificate gets a person, not a portal.
Related California trucking guides
The other California trucking questions, answered the same way.
- Trucking insurance in California (start here)
- Trucking insurance requirements
- Intrastate authority and filings
- Cost of trucking insurance
- Business insurance in California
- Federal minimum liability limits by commodity
- What is an MCS-90 endorsement?
- Federal minimum liability limits by commodity
- Commercial auto for trucking fleets
This guide is general information, not legal, tax, or insurance advice. Limits, forms, and deadlines change, so verify current requirements with the California DMV and the California Department of Insurance before you rely on them. Morrow is a brand name of Afthonea Inc. Last updated: July 2026.