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Flood and Earthquake: What Home Insurance Excludes

By Richard Sweet. Reviewed by Richard Sweet. Updated June 21, 2026.

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Two of the most damaging events a home can face, flood and earthquake, are excluded from standard homeowners policies. Understanding that gap is the first step to deciding what to do about it.

Why they are excluded

Homeowners policies exclude both flood and earthquake by design, so a flooded or quake-damaged home is generally an uncovered loss without separate coverage. Given how damaging both are, that is a significant gap for many households.

Flood: not just for flood zones

Flood is the most common natural disaster, and a large share of flood claims come from properties outside mapped high-risk zones. Coverage is available through the National Flood Insurance Program and a growing private market, and lenders often require it in high-risk areas.

Earthquake: a Western reality

Across the West, earthquake is a real exposure, and coverage uses a percentage deductible tied to your home’s value. That makes it a decision about catastrophic protection for your largest asset, not small claims.

What to do

Decide flood and earthquake on purpose rather than by default. Confirm whether your home has real exposure, compare the coverage options, and weigh whether your household could absorb rebuilding without them. A review helps you decide.

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Frequently asked

Frequently asked

Does homeowners insurance cover flood or earthquake?
No. Both are excluded from standard homeowners policies and require separate coverage, a flood policy and an earthquake policy or endorsement.
Do I need flood insurance outside a flood zone?
It is worth considering. A large share of flood claims come from lower-risk areas, so the decision should be based on actual risk, not just whether it is required.
Why is earthquake insurance's deductible so high?
It uses a percentage of your home's value rather than a flat amount, because it is designed for catastrophic loss. That is the right way to weigh the coverage.
RS
Written and reviewed by

Richard Sweet

Founder and Principal Advisor, Vantage Point Risk

Richard Sweet runs Vantage Point Risk, an independent insurance and risk advisory for property owners, real estate investors, business owners, and families. He works with investors every week on the coverage decisions that decide how a claim actually turns out, and writes the Learning Center to put those decisions in plain language.

Reviewed for accuracy by Richard Sweet. Last updated June 21, 2026.

This article is general information, not insurance, legal, or tax advice. Coverage depends on your policy terms, endorsements, carrier underwriting, and the state you are in. For guidance on your specific situation, talk with a licensed advisor.

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