A storm rolls through, a neighbor's tree comes down, and it lands squarely on your car. The instinct is to assume the neighbor is automatically responsible, since it was their tree. That assumption is only sometimes correct, and the actual answer depends on a detail most people never bother checking beforehand.

The key question is whether the tree was healthy or already known to be dead, diseased, or hazardous before it fell. If a neighbor knew or reasonably should have known the tree was a danger and did nothing about it, that can establish real negligence, making them liable for the damage. If the tree was healthy and came down purely from a storm nobody could have predicted, it's often treated as an act of nature, and your own auto insurance, not the neighbor, typically covers the damage.

This means documentation matters immediately. Photos of the tree, the damage, and if possible, evidence about the tree's condition before it fell, all become relevant if there's any dispute about who's responsible. A neighbor who'd been warned about a dying tree and ignored it is in a very different legal position than one whose healthy tree simply lost a fight with a hurricane.

Either way, filing with your own insurance promptly is the right first step, since comprehensive coverage typically handles storm and fallen-tree damage regardless of fault. Whether the neighbor's insurance ultimately gets involved depends entirely on that one detail — whether the danger was foreseeable, or genuinely just bad luck.