If you are concerned about the possibility of rising waters in your waterfront location near a river, lake, or even the Sound, you can obtain reasonably priced flood insurance through the Federal Emergency Management Agency (FEMA). Most private insurers neither include this in their insurance policies nor have add-on options to do so. Almost all communities with the state of Washington are eligible under the FEMA program, however.
For more information, visit Floodsmart.gov.