Does homeowners insurance cover water damage?

Most homeowners policies cover water damage that is sudden and accidental, and exclude water damage that happened gradually or came from outside the house. That one distinction decides most claims, and it is about how the water arrived rather than how bad the damage looks.

The three questions your policy is actually asking

Was it sudden, or did it happen over time? A pipe that bursts is sudden. A supply line that has been weeping behind a cabinet for eight months is not. Most policies cover the first and exclude the second, on the reasoning that the second is maintenance. This is the single most common reason a water claim gets denied.

Did the water come from inside the plumbing, or from outside the house? Water that comes out of your own pipes and appliances is normally within scope. Water that arrives from outside, rising from the ground or running across the surface, is flood, and flood is excluded from standard homeowners policies almost universally. Flood coverage is a separate policy, which is why water that comes in during heavy rain is the trap it is.

Did it back up through a drain or sewer? This is its own category, and in most policies it is excluded unless you have specifically added a water or sewer backup endorsement. Many people find out at the worst possible moment that they do not have one, and a backup is also handled differently on the day.

What is usually covered

• A burst or frozen supply pipe.
• A water heater that fails and dumps its tank.
• A washing machine or dishwasher supply hose that lets go.
• An overflowing bath or sink, where it was accidental.
• Rain entering through damage caused by a covered event, such as wind removing part of the roof in a storm.
• Water damage caused by putting out a fire.

What is usually not covered

• Gradual leaks and seepage. Slow, long-running, and treated as maintenance.
• Flood. Rising water, storm surge, surface water. Needs separate flood coverage.
• Sewer or drain backup, without the endorsement.
• Neglect and wear. A pipe that failed because it was corroded and known to be failing.
• Damage while the house was unoccupied, in some policies, particularly freeze damage where the heat was off.
• Mold, frequently excluded, capped at a low limit, or covered only when it follows directly from a covered event that you dealt with promptly.

The distinction that surprises people most

Many policies pay to repair the damage the water caused, but not to replace the part that failed.

If a supply line bursts and ruins a floor, the floor is commonly covered while the supply line itself is not. If a water heater fails and floods a basement, the basement work may be covered while the water heater is your own cost.

Related, and more welcome: many policies include some coverage for the tearing out and replacing of material needed to reach the leak, even where the failed component is not covered. That matters when the leak is inside a wall or under a slab, because the access work can cost more than the repair itself.

Actual cash value against replacement cost

Two policies can both “cover” the same damage and pay very differently.

Replacement cost pays what it costs to replace the damaged item with a new equivalent. Actual cash value pays that minus depreciation for age and wear, which on a fifteen year old floor is a substantial reduction.

Check which one you have before you assume a number. It is usually stated on the declarations page, and it can differ between the structure and your belongings.

What to do in the first hours, for insurance purposes

You do not need to wait for your insurer before stopping the leak or starting to dry the house out. Most policies require the opposite: you are expected to take reasonable steps to prevent further damage as soon as you know about it, and the cost of doing so is commonly part of the claim.

What matters is that you document first:

• Photograph and video everything before you clean up or throw anything away.
• Photograph the failed component itself, not just the damage.
• Keep the damaged material, or a piece of it, if you can.
• Keep every receipt, including fans, dehumidifiers, and accommodation.
• Write down the date and time you discovered it, and who you called.

Then report it. Prompt reporting is one of the things insurers look at, and delay is a recurring theme in denials. The rest of the ways claims fall apart is worth reading before you make the call, not after.

Before you sign anything

A restoration company may ask you to sign an assignment of benefits, which transfers your rights under the policy to them so they can bill and negotiate with your insurer directly. There are situations where that is reasonable and situations where it is not. What it actually does is worth understanding before a form appears in front of you at midnight.

The short version

Sudden and accidental is usually covered. Gradual is usually not. Flood is a separate policy. Sewer backup needs an endorsement. The damage is often covered while the part that failed is not. Document before you clean up, and report it promptly.

Policies differ, and yours is the one that matters. The words to look for on the declarations page are “water damage”, “water backup”, and whether the settlement basis is replacement cost or actual cash value.