Massachusetts Requires Bodily Injury Liability on Every Vehicle
Massachusetts law requires bodily injury liability coverage on every vehicle you register. The state minimum is $25,000 per person and $50,000 per accident. You cannot decline this coverage to lower your premium — the Registry of Motor Vehicles will not register a vehicle without proof of a policy that meets these minimums.
This requirement applies to every car in your household. If you insure two vehicles on one policy, both must carry at least $25,000/$50,000 bodily injury liability. If you insure four vehicles, all four must meet the same floor. The mandate is per-vehicle, enforced at registration, and verified continuously through the state's compulsory insurance system.
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Get Your Free QuoteMassachusetts Bodily Injury Minimum
$25,000 / $50,000
The state requires $25,000 per person injured and $50,000 per accident. These are the lowest liability limits you can carry and still register a vehicle in Massachusetts.
Massachusetts Registry of Motor Vehicles
What Bodily Injury Liability Pays For
Bodily injury liability pays medical bills, lost wages, and legal damages when you injure someone in an at-fault accident. The $25,000 per person limit covers one injured person's claims. The $50,000 per accident limit is the total your policy pays when multiple people are injured in the same crash.
Massachusetts operates under a modified no-fault system. Your own personal injury protection covers your medical bills regardless of fault, but bodily injury liability still applies when you injure someone else. If you cause an accident that sends another driver to the hospital, your bodily injury coverage pays their medical expenses and lost income up to your policy limits.
The state minimums are low. A serious injury can generate medical bills and lost-wage claims that exceed $50,000 quickly. When your liability limit is exhausted, you pay the remaining damages out of pocket.
You cannot register a vehicle in Massachusetts without bodily injury liability at the state minimums. Declining it to save money is not a legal option.
How the Mandate Works Across Multiple Vehicles
Most multi-car policies in Massachusetts use a single set of liability limits that apply to any covered vehicle. The limit follows the driver and the vehicle covered under the policy, not a specific car.
The per-vehicle requirement means every car on your policy must be listed and covered at the state minimums or higher. You cannot insure one vehicle at $25,000/$50,000 and skip coverage on another to lower your premium. The RMV's compulsory insurance system cross-checks your policy against your registration — if a vehicle is registered to you but not listed on an active policy, the RMV suspends your registration and can suspend your license.
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Combining Policies and Maintaining Coverage
When two household members each have a separate policy and you combine them into one multi-car policy, the bodily injury minimums still apply to every vehicle. The combined policy must list every car and every driver, and the liability limits must meet or exceed $25,000/$50,000. Combining policies often lowers your total premium through the multi-car discount, but it does not change the per-vehicle liability floor.
If you add a vehicle mid-term — buying a third car or a household member moving in with their own vehicle — the new car must be added to your policy within the carrier's grace period, typically 7 to 30 days. The bodily injury liability extends to the new vehicle automatically during the grace period, but you must formally add it to maintain continuous coverage. Failing to add the vehicle on time can result in a lapse notice to the RMV, which triggers registration suspension.
Massachusetts carriers write bodily injury liability as a mandatory component of every auto policy. You will not find a carrier that offers a policy without it. When you compare quotes for multiple vehicles, every quote includes bodily injury liability at or above the state minimums — the only variable is whether you choose higher limits.
Massachusetts Uninsured Motorist Rate
7.9%
Despite the compulsory insurance mandate, 7.9% of Massachusetts motorists drive without coverage. Your uninsured motorist coverage protects you when an at-fault driver has no bodily injury liability to pay your claim.
Insurance Information Institute, 2023
Choosing Higher Limits for Multiple Vehicles
The state minimums protect you in minor accidents, but they leave you exposed in serious crashes. When you insure multiple vehicles, the risk multiplies — more drivers, more trips, more exposure. A single severe accident caused by any driver on your policy can exhaust $50,000 in liability coverage and leave you personally liable for the remainder.
Higher bodily injury limits cost more per month, but the incremental cost is often smaller than drivers expect.
Compare Carriers That Write Your Household
Bodily injury liability is mandatory, but carriers price it differently. When you insure multiple vehicles, small per-vehicle differences compound across your policy. Compare quotes from carriers that write multi-car policies in Massachusetts — Geico, Progressive, State Farm, Liberty Mutual, and Allstate all write households with two or more vehicles and offer online quoting.
Request quotes at the state minimums and at higher limits. The comparison shows you the incremental cost of better protection and helps you decide whether $25,000/$50,000 is adequate for your household or whether higher limits are worth the additional premium. The bodily injury requirement is non-negotiable, but the level of protection you choose above the floor is yours to control.