A tree limb comes down in a windstorm and crushes a fence, a car, or a roof. The first question almost everyone asks is the same: whose fault is this? In Massachusetts, the answer often surprises people. A homeowner is not automatically liable just because the tree that caused the damage happened to be on their property.
Understanding Massachusetts Tree Laws
| Healthy tree falls: | The owner is generally not liable merely because the tree originated on their property. |
| Dead or dangerous tree: | Liability may arise when a dangerous condition was reasonably foreseeable, and the owner knew or should have known about it. |
| Overhanging branches: | A property owner generally may trim portions crossing onto their property, up to the property line. |
| Roots crossing the boundary: | Massachusetts generally permits the affected property owner to use self-help on their own property. |
| Cutting down someone else’s tree: | Potential criminal liability under G.L. c. 87, §11 and civil damages under G.L. c. 242, §7. |
What is the Massachusetts Health Tree Rule?
Massachusetts generally does not hold a property owner liable for damage caused by a healthy tree. In Ponte v. DaSilva, 388 Mass. 1008 (1983), the Supreme Judicial Court held that a landowner’s failure to prevent leaves, branches, and sap from a healthy tree from reaching neighboring property does not constitute negligence or private nuisance. The SJC reaffirmed that principle in Shiel v. Rowell, 480 Mass. 106 (2018), referring to it as the “Massachusetts Rule.”
That protection has a limit, though. If a homeowner knew (or reasonably should have known) that a tree was dead, dying, or diseased, and did nothing about it, liability can attach when that tree causes damage.
We tell clients the practical lesson isn’t about the law, it’s about documentation. If you’ve noticed a tree is dying, get an arborist’s assessment in writing and act on it. That single step is often what separates a homeowner who’s protected under the Healthy Tree rule from one who isn’t.
Trimming Branches That Cross Your Property Line
A separate, equally common question: what if a neighbor’s tree overhangs your yard? Massachusetts gives you the right to trim branches, limbs, and even roots up to your property line, on your own side of it. You don’t need your neighbor’s permission to do that. The tree still belongs to your neighbor, you just have the right to protect your own property from what crosses onto it.
The reverse is also true: if a tree on your property sends roots into a neighbor’s yard and causes damage there, you’re generally not liable for it. Your neighbor has the same right to cut those roots at the property line that you’d have if the situation were reversed.
The Line You Cannot Cross
Here is where good intentions go wrong most often. Cutting a branch that hangs over your property line is a right. Cutting down or removing a tree that isn’t yours, even one you’re convinced is a nuisance, an eyesore, or blocking your view, is a crime in Massachusetts. Under M.G.L. c. 87, § 11, willfully, maliciously, or wantonly cutting, destroying, or injuring a tree that isn’t your own carries a penalty of up to six months in prison or a $500 fine. Separately, under M.G.L. c. 242, § 7, a willful trespass involving cutting someone else’s tree can expose you to civil liability for up to three times the assessed damages.
Those two statutes work together: one is criminal exposure, the other is civil. A single bad decision, like cutting down a neighbor’s tree without being sure where the property line actually falls, can trigger both.
If you’re not certain exactly where your property line sits, that uncertainty is worth resolving before you pick up a chainsaw, not after. A licensed land surveyor can confirm the boundary for a modest cost that is far less than what a trespass judgment or a criminal fine would run.
Frequently Asked Questions About Tree Trimming
Is my neighbor responsible if their tree falls and damages my property?
Only in certain circumstances. If the tree was healthy, Massachusetts law generally does not hold the owner responsible, because the damage wasn’t reasonably foreseeable. If the owner knew the tree was dead, dying, or diseased and took no action, liability may attach.
Can I cut branches from my neighbor’s tree that hang over my yard?
Yes. You may trim branches, limbs, or roots up to your property line, on your side of it. You do not need your neighbor’s permission to do this, though you should not go past the boundary line onto their property.
What happens if I cut down a tree that isn’t mine?
You could face criminal penalties under M.G.L. c. 87, § 11 (up to six months’ imprisonment or a $500 fine) and civil liability under M.G.L. c. 242, § 7 for up to three times the assessed damages, if the cutting was willful.
How do I find out exactly where my property line is?
A licensed land surveyor can identify your property boundaries. This is worth doing before trimming or cutting anything near a property line you’re unsure about, particularly if a tree in question is large or valuable.
What should I do if a tree on my neighbor’s property looks like it might fall?
Document what you observe, ideally with photos and a date. If you’re concerned about an immediate hazard, notify your neighbor in writing. If the tree is diseased or dying and your neighbor takes no action, that written notice can matter later if the tree eventually causes damage.
Speak With a Massachusetts Attorney Today
Tree disputes between neighbors are common, and they rarely need to end in litigation. If you’re dealing with property damage from a fallen limb, uncertainty about a property line, or a dispute over a tree that’s already escalated, schedule a free consultation with our real estate and personal injury attorneys to help you understand your options and the strength of your position.
