What does homeowners insurance cover for water damage?

Understanding sudden vs gradual damage, typical exclusions, flood insurance, and questions to ask your agent.

The general rule: sudden and accidental

Most standard homeowners policies cover water damage that is sudden and accidental. A burst supply line, a washing machine hose that fails while you are home, or a water heater that ruptures are typical examples. The key word is sudden ? the damage must happen quickly, not slowly over weeks or months.

What is usually covered

  • Burst pipes or supply lines (sudden rupture, not slow corrosion)
  • Appliance failures: washing machine, dishwasher, water heater, refrigerator ice maker
  • Fire sprinkler system discharge
  • Storm-related roof damage that allows rain to enter (wind or hail created the opening)
  • Ice dam backup that causes interior water damage (in applicable regions)

What is usually NOT covered

  • Flood damage from rising groundwater, storm surge, or overflowing bodies of water (requires separate flood insurance)
  • Gradual leaks: a slow drip under the sink that has been going on for months
  • Sewer or drain backup (may be available as an add-on endorsement)
  • Neglect or failure to maintain: mold from a leak you knew about but did not fix
  • Ground seepage: water entering through foundation walls over time

The maintenance exclusion

Insurers expect homeowners to maintain their property. If a pipe has been slowly leaking behind a wall for six months and you did not notice, the resulting mold and rot may not be covered. This is why early detection and prompt repairs matter ? both for your home and for any potential claim.

Questions to ask your agent or insurer

  • Does my policy cover water damage from a sudden pipe burst?
  • Do I have sewer and drain backup coverage, or can I add it?
  • What is my water damage deductible?
  • Does my policy cover mold remediation resulting from a covered water loss?
  • Do I need separate flood insurance for my area?
Important boundaryThis is educational context only. Every policy is different. Read your specific policy, and ask your licensed insurance agent or a Nevada-licensed public adjuster for guidance about your individual situation. Property Claim Guide does not provide insurance advice.