HomeFlood insurance is a separate type of policy that should be purchased by anyone who lives in an area that is at high risk for flooding because most if not all standard home insurance policies don’t cover two things – Earthquakes and floods. And for people who live in high to moderate risk areas for floods, there is a 26% chance that your home will experience some flood damage in the thirty year period that you hold your mortgage. Even just a few inches of water going through your home can create massive damage.
Source: Home Insurance