In general as per the FAA, your airspace ends at the tallest object - whether it’s a tree, a house, or tower structure on your property. I guess if it was low

In general as per the FAA, your airspace ends at the tallest object - whether it’s a tree, a house, or tower structure on your property. I guess if it was low enough in some states you could argue that it failed to state intentions and you felt unsafe.