"Water Damage vs Flood: What Homeowners Covers"

After water ruins a floor, the first question an insurer asks is: where did the water come from? The answer decides whether your homeowners policy pays — because water damage and flood are treated as completely different things.

The dividing line

• Water damage — water originating inside or from the home: a burst pipe, an overflowing appliance, a roof leak from a storm, a failed water heater. This is generally covered by homeowners insurance.
• Flood — water that comes from outside and rises onto the property: an overflowing river, storm surge, heavy-rain surface flooding. This is excluded from homeowners and requires separate flood insurance.

The gray areas

• Sewer/drain backup is usually not covered by a base policy but can be added with an endorsement — worth having.
• Ground seepage through the foundation is typically excluded.
• Sudden vs gradual matters — sudden bursts are covered; long-term, unaddressed leaks often aren't.

What to do

1. Confirm your water-damage coverage and add sewer backup if available.
2. Get flood insurance if your location warrants — homeowners won't cover it.
3. Address leaks promptly — gradual damage is often excluded.

Frequently asked questions

Does homeowners insurance cover water damage? Generally yes for water from inside the home — burst pipes, appliance overflows, storm-driven roof leaks. Flooding from outside is excluded.

What's the difference between water damage and flood? Water damage originates from the home (covered); flood is rising water from outside (excluded, needs separate flood insurance).

Is sewer backup covered? Usually not by a base policy, but it can be added by endorsement — a worthwhile addition.

More in this series: Wildfire Risk and Home Insurance in Washington · Falling Trees and Windstorms: What's Covered

Related: Coverage Gap Calculator → · The Equity-Wealthy Household’s Insurance Guide →

Catastrophe coverage depends heavily on where and what you own, so Home Insurance in Bothell and Canyon Park and Is Your Home Underinsured? How to Find the Gap go hand in hand with this.

Trella Insurance is an independent brokerage in Bellevue, WA. Request a free review or try the coverage gap calculator.