Water Damage Guide

Does Homeowners Insurance Cover Water Damage?

Understand what water damage your homeowners insurance covers and what it doesn't. Learn about flood insurance, sewer backup coverage, and filing claims.

By FloodProEditorial approach6 min readUpdated July 26, 2026

What's Typically Covered

Standard homeowners insurance covers sudden, accidental water damage from sources inside your home: burst pipes, appliance failures, accidental overflows, and roof leaks from covered perils like storms. The key is 'sudden and accidental' - damage must be unexpected, not gradual.

What's NOT Covered

Standard policies do not cover: flood damage (surface water from storms or overflowing bodies of water), sewer backups, gradual leaks, lack of maintenance, and damage from neglect. These require separate coverage or endorsements.

Flood Insurance

Flood damage requires separate flood insurance through the National Flood Insurance Program (NFIP) or private carriers. If you're in a flood zone, your mortgage may require it. Even outside flood zones, 25% of flood claims come from low-risk areas.

Sewer Backup Coverage

Sewer and drain backup coverage is typically an add-on endorsement costing $40-70/year. Given the frequency and severity of sewer backups, this coverage is highly recommended for most homeowners.

Does Homeowners Insurance Cover Basement Flooding?

It depends entirely on how the water got in. A burst pipe or failed water heater in the basement is typically covered as sudden, accidental damage. Sump pump failure and sewer backup require their own endorsements. Groundwater seepage and surface water entering during storms are excluded — that's flood insurance territory.

Basements are where these coverage boundaries collide most often, because a single storm can produce covered damage (wind-driven roof leak), endorsement-only damage (sump pump overwhelmed), and excluded damage (groundwater through the foundation) at the same time. Adjusters will assign the cause, so documenting how the water entered matters as much as documenting the damage itself.

Filing a Water Damage Claim

Document damage immediately with photos and videos. Stop the water source if possible. Contact your insurance company promptly. Mitigate further damage (this is required by your policy). Keep receipts for emergency services and temporary repairs.

Further reading

Background guidance from the organizations below. These resources do not endorse FloodPro or provide a quote or coverage decision for your property.

Frequently Asked Questions

Does homeowners insurance cover a leaking roof?

It covers roof-leak damage when the leak resulted from a covered peril like a storm or falling tree — the interior water damage is typically paid, and often the roof repair too. Leaks from an aging, worn-out roof are considered maintenance and are usually excluded.

Will filing a water damage claim raise my rates?

It can — water claims are among the most rate-sensitive because they predict future losses. For damage barely above your deductible, compare the payout against likely premium increases. For significant damage, the coverage is what you've been paying for; document well and file promptly.

What's the difference between water damage and flood damage to insurers?

Insurers define flood as rising surface water from outside — overflowing rivers, storm surge, heavy-rain runoff — which only flood insurance covers. Water damage from inside sources (burst pipes, appliance failures, roof leaks) falls under standard homeowners coverage when sudden and accidental.

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