Signs a Tree Is Dying or Dangerous — and When to Call an Arborist (Metro Detroit)
The short answer: The most common warning signs that a tree is dying or dangerous are large dead branches, cracks or splits in the trunk or major limbs, a new or worsening lean, mushrooms or fungal growth at the base or on the trunk, lifted or cracked soil and exposed...A Tree Fell on My House — What to Do and How Insurance Works (Metro Detroit)
The short answer: If a tree falls on your house, get everyone away from the damaged area first, then document the damage with photos before anything is moved, prevent further damage if you safely can (like covering an opening), and call your insurance company to start...

