Primary Liability Insurance for California commercial trucking operators.
Pays for bodily injury and property damage you cause to others while operating under your authority.
Rate band pending. We have not yet extracted a public rate filing from California Department of Insurance for primary liability in California. We will publish a sourced premium band on this page once the filing is reviewed by an expert reviewer. Carrier listings below are unaffected; they are sourced from the carriers' own appointment and license footprints.
Top carriers for primary liability in California
| Carrier | Parent group | AM Best | Notes |
|---|---|---|---|
| Progressive Commercial | The Progressive Corporation | A+ (Superior) (verified 2026-04-27) | Largest commercial-auto insurer in the US by direct premium written. Owner-operator and small-fleet focused. |
| Northland Insurance | Travelers Companies | A++ (Superior) (verified 2026-04-27) | Travelers' commercial trucking specialty unit. |
| Sentry Insurance | Sentry Insurance Group | A+ (Superior) (verified 2026-04-27) | Mutual carrier with deep trucking specialization; favors larger fleets and established carriers. |
| Berkshire Hathaway GUARD | Berkshire Hathaway Inc. | A++ (Superior) (verified 2026-04-27) | Multi-line carrier; trucking is one segment. Strong financial backing. |
| Acuity | Acuity Mutual | A+ (Superior) (verified 2026-04-27) | Mutual carrier with growing trucking footprint; midwest-anchored, expanding nationally. |
AM Best ratings are populated only when verified against ambest.com. Pending entries reflect that we have not completed verification, not that the carrier's rating is missing or weak.
What drives primary liability premiums in California
California's commercial trucking premium environment is shaped by two factors more than any other: the absence of caps on non-economic damages outside MICRA, and the long-running classification fight over whether owner-operators are employees or independent contractors under AB 5 and the Borello / Dynamex framework.
On the liability side, California courts permit unlimited non-economic damages in commercial-vehicle cases. Combined with the state's plaintiff-friendly venue history in Los Angeles and the Bay Area, this drives Class 8 long-haul primary liability rates higher than tort-reform states with similar geography. Underwriters price the venue exposure into the base rate; the rate environment is unlikely to soften absent legislative reform.
On the operations side, AB 5 and subsequent court interpretations affect whether an owner-operator running under a motor carrier's authority is treated as an employee for workers' comp, wage-and-hour, and tax purposes. Federal preemption (the FAAAA) has been litigated extensively; the practical effect is that fleet structures in California are scrutinized in any post-loss litigation, which underwriters factor into both primary liability and non-trucking liability rates.
Surplus-lines placements in California go through brokers licensed by the Surplus Line Association of California (SLA). A 3% premium tax plus the SLA stamping fee applies. We have not yet extracted a public California Department of Insurance filing for this product; the rate band on this page will publish once the filing is reviewed.
Sources
Reviewer attestation pending. The editorial body above is sourced but has not yet been signed off by a credentialed reviewer.
California-specific rules that move premium
California does not cap non-economic damages outside MICRA (medical malpractice). Recent legislation (AB 35, effective 2023) raised MICRA caps; commercial-vehicle exposure remains uncapped in non-medmal cases.
California surplus lines are placed through brokers licensed by the Surplus Line Association of California (SLA); 3% premium tax plus SLA stamping fee applies.
FMCSA jurisdiction: FMCSA Western Service Center (Lakewood, CO).
State regulator: California Department of Insurance.
Primary Liability for specific DOT classes in California
Deep pages cover the operator profile, sampling assumptions, and rate band for a single product × state × DOT class. We publish deep pages only after the editorial body and reviewer attestation are complete.
Dispatched is a comparison and matching platform. In California, coverage is placed by licensed producers and bound by carriers appointed in CA; Dispatched does not bind coverage. Where we accept your contact information for a quote, that consent will be one-to-one with the named producer partner identified at submission.