Climate Central — Coastal Risk Screening Tool
Interactive sea level rise and coastal flooding maps for any U.S. address.
FloodSmart (NFIP)
Official site of the National Flood Insurance Program with coverage info and flood risk lookup.
First Street Foundation
Property-level flood risk data and forecasts incorporating climate change projections.
NOAA National Water Center
Real-time river forecasts, flood outlooks, and inundation maps across U.S. watersheds.
FEMA Flood Map

This map is a great source for flood hazard information in the US.
Investing in Nature to Help Mitigate Flood Risk – Swiss Re

An article by a reinsurer that discusses how investment in nature can help to mitigate flood risk.
Institute for Catastrophic Loss Reduction

World class center for multi-disciplinary disaster prevention research & communication.