Unvaccinated Dog Bite Laws in Vermont: What Owners and Victims Should Know
October 2, 2026
Vermont does not have a dedicated dog bite statute, but that does not mean an unvaccinated dog that bites someone walks away without consequences. If your unvaccinated dog bites someone or is exposed to a potentially rabid animal, you face mandatory quarantine costs, potential euthanasia of your pet, and civil liability for any harm caused. Whether you own the dog or you are the person who got bitten, the rules that follow can feel confusing and move fast.
This guide walks through what Vermont law actually requires after an unvaccinated dog bite, from the first 24 hours of reporting through quarantine, civil liability, and the rare cases that end in euthanasia. You will also see where Vermont’s approach differs sharply from stricter states, and why proof of vaccination changes almost every outcome.
What Happens If an Unvaccinated Dog Bites Someone in Vermont
The first thing that happens has nothing to do with vaccination status at all. Regardless of vaccination status, any apparently healthy dog, cat, or ferret that bites a human should be confined and observed for 10 days from the time of the bite under the supervision of the Town Health Officer, and the biting pet must complete the full 10-day observation period to confirm that it was not shedding rabies virus.
Vaccination status determines everything that happens next. If your dog is current on its rabies vaccination, a home quarantine may be permitted in many Vermont municipalities, but if your dog is unvaccinated, the situation becomes more serious. An unvaccinated animal that has a suspected exposure to rabies likely faces euthanasia, though it may potentially be allowed to stay in a strict 10-day quarantine, and if it develops rabies symptoms during that time, it will be euthanized.
Even when the outcome is manageable, the incident does not disappear from the record. Once a dog has bitten someone, it is placed on a watch list, and if it bites again, more serious action will be taken — meaning the record follows the dog, and the owner, going forward. You can find a broader breakdown of these first-response rules in this overview of what happens if a dog bites someone in Vermont, and how vaccination requirements are enforced statewide in this guide to pet vaccination laws in Vermont.
Pro Tip: Keep a photo of your dog’s current rabies certificate on your phone. Producing proof of vaccination on the spot can be the difference between a home quarantine and an animal control impoundment.
Quarantine and Observation Requirements After a Dog Bite
Two separate quarantine tracks exist under Vermont rules, and which one applies depends entirely on whether your dog was vaccinated and what triggered the bite. The table below breaks down the timelines.
| Situation | Vaccination Status | Quarantine or Observation Period |
|---|---|---|
| Dog bites a person, appears healthy | Vaccinated or unvaccinated | 10-day confinement and observation under Town Health Officer supervision |
| Dog exposed to a confirmed or suspected rabid animal | Vaccinated (current) | Revaccination plus 45 days under owner’s control |
| Dog exposed to a confirmed or suspected rabid animal | Unvaccinated | Euthanasia recommended; if refused, vaccine within 96 hours plus 4-month quarantine |
| Vaccination delayed after exposure | Unvaccinated | Quarantine may extend to 6 months depending on delay and exposure severity |
Dogs, cats, or ferrets with documentation of current or overdue rabies vaccination that are exposed to a potentially rabid animal must be revaccinated immediately and kept under the owner’s control and observed for 45 days. Because rabies is fatal, an unvaccinated dog exposed to a rabid animal should be euthanized so there is no risk that rabies can spread — and if an owner refuses euthanasia, a rabies vaccine must be administered within 96 hours of exposure, followed by strict quarantine of four months for dogs and cats. If vaccination is delayed, the quarantine period may be extended to six months, considering the severity of exposure and the length of the delay.
These timelines are the statewide baseline, but towns can add their own layers on top. A recent Addison County case illustrates the variance: one town officer advised a 15-day quarantine and did not deem the animal “vicious” after a single reported incident, but said further complaints would escalate enforcement and possibly lead to civil action. That is longer than the state’s 10-day baseline, showing how local health officers can adjust terms case by case. For a fuller look at how these vaccination timelines interact with quarantine rules, see this guide to rabies vaccine requirements for dogs in Vermont.
Reporting a Dog Bite to Animal Control or Public Health
Reporting is not optional once a bite occurs, and it happens on a tight clock. Any person authorized to enforce state livestock disease control, health, wildlife, or criminal laws may confine or impound a domestic pet suspected of being exposed to rabies or believed to have been attacked by another animal that may be rabid, and if the pet is confined or impounded, the owner, if known, must be notified within 24 hours.
Town Health Officers follow a specific process once a report comes in. According to the Vermont Department of Health’s THO Manual, officers should contact both the bite victim and the animal’s owner to investigate the incident and determine the animal’s rabies vaccination status. If the animal is overdue or unvaccinated for rabies, the officer requires that it receive rabies vaccination and town licensing following the bite confinement period, and the officer completes the Animal Bite Report Form and files it with town records.
- Contact the Town Health Officer or animal control within 24 hours of the bite whenever possible
- Provide the dog’s rabies vaccination and license records if available
- Expect a follow-up visit at the end of the observation period to confirm the animal’s health status
- Keep documentation of the Animal Bite Report Form for your own records
At the end of the 10-day confinement period, the Town Health Officer must follow up with the animal’s owner to verify that the animal is healthy and inform the person who was bitten of the health status of the animal. Reporting obligations vary somewhat by state; if you are comparing how neighboring jurisdictions handle this step, Rhode Island’s dog bite reporting rules follow a different structure worth reviewing.
Owner Civil Liability for Dog Bite Injuries
Vermont’s approach to civil liability surprises a lot of first-time victims. Vermont does not have a dog bite statute; instead, the Vermont Supreme Court has articulated a variation of the “one-bite” rule, under which dog owners can be held liable for injuries caused by their dog only if they knew or should have known that their dog had dangerous propensities and failed to take reasonable precautions to prevent the dog from injuring others.
Courts look at prior behavior to decide whether an owner should have known. Whether the owner had knowledge of the dog’s dangerous propensities can be shown through evidence of past aggression or violence, or the type of restraint the owner typically used, and negligence can also be proven if the dog was improperly secured or unleashed in public. Vermont courts have blended this “knew or should have known” standard with ordinary negligence law, which requires the victim to prove that the dog owner knew or should have known that his dog presented the danger of biting or causing injury in another manner. Vermont law does carve out real defenses for owners. Dog owners are not responsible for attacks in which the dog was provoked or protecting the owner — including yelling at, hitting, or throwing objects at the dog — and if a victim was trespassing on private property when attacked by an otherwise contained dog, the owner is not liable.
This one-bite framework puts Vermont in a different category from many other states. Vermont is distinct from “strict liability” states, where an owner is automatically liable for a bite regardless of the dog’s history, and generally follows the “one-bite” rule for civil liability instead. States like Colorado’s dog bite laws take the opposite approach, holding owners liable for a first bite in most circumstances. Local leash ordinances still matter in a Vermont case, too — a violation of a local leash law in Vermont can shift how a court views negligence even under the one-bite standard.
Important Note: Vermont’s one-bite rule applies to civil liability for damages. It does not eliminate the separate rabies quarantine and reporting requirements described elsewhere in this guide, which apply regardless of whether the owner is ultimately found liable.
Who Pays for Medical Care and Rabies PEP After a Bite
Medical costs after a bite split across several possible payers, and vaccination status shapes who ends up holding the bill. If the dog owner had homeowner’s or renter’s liability insurance, their insurance company will likely cover injuries caused by the negligence of the dog owner in failing to properly restrain the animal and prevent an attack. That coverage typically only applies once negligence is established under the one-bite standard described above.
Rabies post-exposure prophylaxis, or PEP, is a separate cost track tied directly to the animal’s vaccination status and behavior. Rabies PEP should be considered for any person bitten by a wild animal or a domestic animal exhibiting signs suggestive of rabies, and an unvaccinated dog with unknown exposure history raises that likelihood substantially compared with a dog with current vaccination records on file.
Quarantine and impoundment costs land squarely on the owner in most Vermont towns. Montpelier’s animal control ordinance is typical of this approach: all costs associated with the impoundment and management of a rabies suspect are borne by the owner, and if no owner is found, the city becomes responsible for the costs. That can mean boarding fees, veterinary exam costs, and testing fees stacking up over a multi-month quarantine if your dog was unvaccinated at the time of exposure. Victims comparing how medical cost recovery works elsewhere may find it useful to review Maryland’s dog bite laws, which apply a strict liability standard that shifts medical costs more directly onto owners from the outset.
Fines and Criminal Penalties for Unvaccinated Dog Bites
Failing to vaccinate carries a direct financial penalty on top of anything tied to a specific bite incident. Those found violating Vermont’s laws on rabies vaccinations may receive a fine of up to $500. That penalty is not necessarily a one-time hit, either — it applies per violation, so multiple unvaccinated animals in one household can mean multiple separate fines.
| Violation | Penalty or Cost |
|---|---|
| Failure to vaccinate a dog against rabies | Fine of up to $500 per animal |
| Annual dog license fee (neutered/spayed) | $11 total, including a $3 state rabies control program fee |
| Annual dog license fee (unneutered) | $15 total, including a $3 state rabies control program fee |
| Personal injury lawsuit filing window | 3 years from the date of the bite incident |
Licensing fees themselves recently increased at the state level. In its 2024 session, the Vermont Legislature increased the fee collected for the State of Vermont Rabies Control Program from $1 to $3, effective January 1, 2025, under Act 167. That change raised the total clerks must collect to $11 for neutered or spayed dogs and $15 for unneutered ones registered by April 1, with $7 of that remitted to the state.
On the civil side, victims are not left without a deadline of their own. Like other personal injury claims, Vermont requires victims of animal attacks to file their lawsuit within 3 years of the date of the incident. Missing that window generally forecloses a civil claim regardless of how strong the underlying facts are. You can review Vermont’s rabies control statutes directly through the Vermont Legislature’s Title 20, Chapter 193, and see how license fee changes were adopted through the Vermont League of Cities and Towns’ summary of the 2025 fee increase.
Dangerous or Vicious Dog Designation After a Bite
A single bite can trigger a formal dangerous dog process, though the threshold is specific rather than automatic. Vermont’s dangerous dog laws are outlined in state statutes, specifically 20 V.S.A. § 3546, which provides a framework for municipalities to handle aggressive animals. The process is triggered when a domestic pet has bitten a person while off the owner’s premises and the person bitten requires medical attention — this is the core statutory event that sets the dangerous dog process in motion.
Importantly, the designation is not about breed. The law generally focuses on the specific dog’s past actions rather than its breed when determining fault. That matters if you own a breed that often faces public suspicion; you can read more about how breed-neutral enforcement plays out in this guide to Rottweiler laws in Vermont.
Repeat incidents escalate quickly once a dog is on record. A dangerous dog, particularly a repeat offender, may be euthanized if this is determined to be in the best interest of the safety of the community — a worst-case outcome, but one Vermont municipalities are empowered to pursue when public safety warrants it. An unvaccinated dog that bites once, is placed on a town’s watch list, and then bites again is far more likely to face this outcome than a vaccinated dog with no prior history. For the full designation process and what it means for an owner going forward, see this explainer on Vermont’s dangerous dog declaration.
Euthanasia and Rabies Testing When Vaccination Status Is Unknown
Euthanasia is the outcome every owner wants to avoid, and Vermont law treats an unknown or unvaccinated status as the higher-risk category by default. Because rabies is fatal, an unvaccinated dog, cat, or ferret that is exposed to a rabid animal should be euthanized so there is no risk that rabies can spread. That standard applies even if the dog has never shown a single symptom — the concern is exposure risk, not observed illness.
During the standard 10-day bite observation period, the calculus changes if symptoms appear. If the animal shows signs suggestive of rabies during observation, it must be euthanized and sent to the Vermont Department of Health Laboratory for testing. Veterinarians must call the Health Department’s Epidemiology Program before submitting an animal for testing. That call-first requirement exists because testing protocols and chain-of-custody rules matter for an accurate result.
The testing process itself requires a specific specimen. Following the death of an animal suspected of having rabies, including domestic animals that die or are euthanized during a 10-day confinement, the remains — specifically the head of the animal — must be submitted to the Health Department Laboratory for testing. This is the only way to get a definitive rabies determination, and it is why Vermont’s protocol leans toward euthanizing an animal showing symptoms rather than continuing to observe it.
Pro Tip: If your dog is up to date on rabies vaccination at the time of any bite or exposure, keep that documentation on hand. Current vaccination status is consistently the factor that shifts Vermont’s response from euthanasia toward a manageable home or shelter quarantine.
None of this is a substitute for individualized legal or veterinary advice. If your dog has bitten someone, or you have been bitten by a dog whose vaccination status is unclear, consult your Town Health Officer for the immediate reporting steps and a licensed Vermont attorney for guidance on liability and compensation. Vermont’s rules reward documentation — a current rabies certificate, a town license, and a clear bite report can make the difference between a routine 10-day observation and a months-long quarantine with fines attached. For a broader look at how Vermont’s dog bite framework fits together, this overview of Vermont dog bite laws is a useful next stop.
Legal Disclaimer: This article provides general information about Vermont law and is not a substitute for advice from a licensed attorney or veterinarian. Laws and local ordinances change, and outcomes depend on the specific facts of each case. Consult a Vermont-licensed attorney or your Town Health Officer for guidance specific to your situation.