Find your home's Flood Factor

Past floods, current risks, and future projections based on peer-reviewed research from the world’s leading flood modelers.

Integrated on real estate platforms

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Powered by the world's top flood risk modelers

Access data calculated by a team of more than 80 world-renowned experts using decades of peer-reviewed research.

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Over 142 million properties, neighborhoods, and cities analyzed

View any home’s Flood Factor and understand what can be done to protect it from flooding.

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First of its kind flood model shows how risk changes over time

Explore interactive flood maps to visualize recreated historic floods and see how flood risks change in the future.

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Explore flood risks

New OrleansLOUISIANA

150,477 properties at risk today

99% of properties with risk this year

Virginia BeachVIRGINIA

30,695 properties at risk today

+77% increase in properties at risk over 30 years

ChicagoILLINOIS

164,269 properties at risk today

81.2K properties have 26% chance of flooding over 30 years

IDAHO

238,034 properties at risk today

12,970 more properties at risk by 2050

FLORIDA

2,923,411 properties at risk today

23% of all properties have major to extreme risk

TEXAS

2,148,453 properties at risk today

34% of Houston properties are at risk today

Flood risk across the United States

View National Report – June 2020

23.7M
Properties at risk today i
25.4M
Properties at risk in 30 years i
+7.4%
Change in properties at risk i

Highlights

The New York Times

“[Flood Factor would] complement FEMA’s efforts…[to] help property owners with the critical decisions they must make and purchase necessary insurance.”

National Association of Realtors®

“Flood Factor enables our members to become the source of the resource. It increases transparency. It’s really about giving them accurate information so they can make a great decision. It builds trust and confidence with clients. It’s a valuable tool to access information.”

Mapbox

“We are thrilled to support First Street’s innovative maps and visualizations on Flood Factor. First Street is leading the way in user-friendly risk communication using location technologies and data.”