What Is Usually Not Covered by Home Insurance?
Flood, earthquake, and routine wear and tear are the common exclusions. Your declarations page lists what your specific policy leaves out.
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Before closing, read the exclusions section of the policy, not just the price. Flood and earthquake are separate policies entirely, so if the house sits in a flood zone or an active fault area, the lender may require that coverage on top of homeowners insurance. Mold, sewer backup, and foundation movement from poor drainage are also commonly excluded or capped low unless you add them back as endorsements. Ask the agent directly which of these apply to this house before you sign, since the inspection report often points to which ones matter.
Check what's excluded before you compare prices
Two policies at the same price can leave different gaps. Comparing quotes side by side shows what each one actually excludes, not just what it charges, before the binder is due.
What about damage from a burst pipe or a storm?
Sudden and accidental water damage is usually covered. A pipe bursts in a cold snap, a washing machine hose fails, a storm drives rain through a damaged roof. Those are the kinds of losses homeowners insurance is built for, because they happen without warning and without neglect. The policy pays to fix the water damage and repair what caused it, up to the dwelling coverage limit, minus the deductible.
What is not covered is damage that built up over time or could have been prevented. A slow leak under a sink that rotted the floor over months, a roof that failed because it was never maintained, pipes that froze because the heat was shut off in an empty house. Insurers call this wear and tear or lack of maintenance, and it sits outside the policy no matter how the final damage looks. An adjuster who traces a water stain back to a leak that had been dripping for a year will usually deny that claim.
Sewer and drain backup is its own category, and it catches a lot of new buyers off guard. If a sewer line backs up and sends water into the basement, a standard policy often excludes that loss unless an endorsement was added for it. The same goes for sump pump failure. Given how it's the kind of damage insurance is for, people buying a house with a basement or a sump pump are the ones to look at this coverage closely. It's usually a small add-on on an on the premium, far cheaper than the cleanup.
Termites, rodents, and other pests are excluded almost everywhere, on the theory that an infestation is a maintenance issue the homeowner could have caught. Mold tied to a sudden water loss is often covered up to a limit, while mold that develops from humidity or an unresolved leak usually is not. None of this shows up by reading the declarations page alone. It comes from reading the actual exclusions section, or asking the agent how the policy treats water damage specifically, since that's where policies differ the most and where a cheap quote can turn out to cover less.
What about damage that happens slowly, not all at once?
Earth movement is one of the bigger gaps buyers miss. This is not just earthquake, it also includes landslides, sinkholes, and soil that shifts or settles under the foundation. A standard policy treats all of this as excluded, grouped under the same exclusion as earthquake coverage. If the inspection or a survey mentions retaining walls, slope, or fill soil, that is worth asking the agent about directly, since the house might need a separate endorsement or a standalone policy to cover ground movement.
Neglect is the broader category that trips people up, because it covers more than the obvious cases. If a homeowner knows about a problem, a cracked window, a failing gutter, a loose shingle, and does nothing about it, damage that follows from that is treated as preventable rather than sudden. This matters for a buyer because the previous owner's neglect becomes the new owner's problem the day the policy starts. A home inspection exists partly to catch this before closing, so repairs that show up on the inspection report are worth fixing or at least flagging to the agent, since a claim tied to a known defect is one an adjuster will look at closely.
Ordinance or law is a different kind of exclusion, and it catches older houses especially. If a house burns down and local building code now requires something the original structure didn't have, rewired electrical, a different foundation height, upgraded plumbing, a standard policy pays to rebuild what was there, not to bring the new structure up to current code. That gap gets covered by its own endorsement, usually inexpensive, and it is worth asking about on any house built more than twenty or thirty years ago.
Business use of the home is excluded too, which surprises people who run anything out of the house, even a small side business or a few expensive pieces of equipment used for work. A standard homeowners policy assumes the home is a residence, not a place of business, so business property and business liability usually need a separate rider or policy. None of these exclusions are unusual or a sign of a bad policy. They are standard, and the point of reading the exclusions section before closing is knowing which ones apply to this specific house, not finding a policy without any.
One last thing to check before closing
Pull up the actual exclusions section, not the summary, and match it against the inspection report. Anything the inspector flagged is worth asking the agent about before the binder is signed.
