Flood Protection

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Man raking leaves to prevent flooding.

Bellevue’s drainage system – composed of streams, lakes, wetlands, flood detention sites, pipes and ditches – has been designed to hold and carry water during storms to prevent flooding. However, when intense storms hit and overwhelm the system, flooding can occur. Flooding can cause property damage and streambank erosion and also destroy salmon eggs.

Flooding preparation

  1. Prepare for heavy rains and prevent flooding in your neighborhood
  2. Keep yourself and your property safe during heavy rains
  3. Know what to do if your property floods
  • Become familiar with how the City of Bellevue’s Office of Emergency Management supports efforts to prevent, mitigate, respond and recover from hazardous events.

Flood insurance

  • If your home is in a floodplain, you need flood insurance. Even if you don't live in a floodplain, flood insurance is a good idea because a typical homeowner's insurance policy will not cover water damage unless the damage is caused by interior flooding, such as an overflowing toilet or leaking sink.
  • Flood insurance can be purchased through the National Flood Insurance Program (NFIP), which provides flood insurance for all properties. Visit NFIP Floodsmart for more information on floods and flood insurance.
  • Bellevue residents receive a 25% discount on NFIP policies due to Bellevue’s floodplain management program. (There is a 30-day waiting period before the policy goes into effect.)

Related Information