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Flood and Storm

What is the difference between flood insurance and homeowners insurance?

Truscott Team
June 17, 2026
4 min read

Many homeowners assume their homeowners insurance covers all water damage. It does not. Flood insurance and homeowners insurance are two separate policies that cover two very different types of water-related losses. Understanding the distinction can mean the difference between a fully paid claim and a devastating out-of-pocket expense.

What homeowners insurance covers

A standard homeowners policy covers water damage that originates inside your home or falls from above. That includes a burst pipe, an overflowing appliance, an ice dam forcing water through your roof, or rain entering through a storm-damaged window. It also covers sudden and accidental discharge from plumbing or HVAC systems. The key concept is that the water source is internal or incidental to a covered peril like wind.

What flood insurance covers

Flood insurance covers damage caused by water that rises from an external source and inundates normally dry land. Storm surge, overflowing rivers, heavy rainfall that accumulates on the ground, and mudflow from saturated soil all fall under the flood definition. Flood policies—available through the National Flood Insurance Program (NFIP) or private insurers—cover the structure and, separately, your personal contents up to policy limits. Without a flood policy, none of this damage is covered under your homeowners policy.

Where the gaps are

The gap between the two policies is where most homeowners get hurt. Consider the following scenarios where coverage can break down:

  • Storm surge after a hurricane: Wind damage may be covered by homeowners, but the surge that follows is a flood loss and requires a separate policy.
  • Heavy rainfall runoff: Water pooling in your yard and seeping into your basement is a flood event—not a homeowners claim.
  • Sewer backup: Neither standard policy automatically covers this. A sewer backup endorsement on your homeowners policy is often needed.
  • NFIP contents limits: NFIP flood policies cap contents coverage at $100,000 and pay actual cash value. Private flood may offer higher limits and replacement cost.

Why most homeowners need both

Flooding is the most common and costly natural disaster in the United States, and it is not limited to high-risk flood zones. About 25 percent of NFIP claims come from properties outside designated flood zones. A homeowners policy alone leaves a significant gap, and a flood policy alone does not cover internal water damage or wind-driven rain. Together, the two policies provide the layered protection that complete coverage requires.

What Truscott recommends

Do not assume one policy handles all water damage—that assumption is one of the most expensive mistakes a homeowner can make. A Truscott coverage review evaluates both your homeowners and flood coverage, identifies gaps specific to your property and location, and recommends the right combination of policies so you are protected from every direction. Contact us to make sure you have the coverage you actually need.

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