NaturalDisasterRisk
US Hazard Data

Flood Risk in Houston, TX — 2026 Report

Source: FEMA National Flood Insurance Program (NFIP)

89Very High

Flood Risk Score: 89/100

Very High Risk

Flood risk is determined by analyzing FEMA flood zone designations, NFIP insurance claim history, NOAA precipitation data, and proximity to flood-prone waterways.

Historical Flood Events — Houston

DateDescriptionMagnitudeFatalitiesInjuriesSource
2017-08-25Hurricane Harvey — 51 inches of rain, catastrophic flooding, $125B damage360NOAA

Flood Preparedness for Houston Residents

  • 1.Purchase separate flood insurance through FEMA's NFIP or a private insurer
  • 2.Elevate electrical systems, HVAC, and valuable items above expected flood levels
  • 3.Know your evacuation routes and have a go-bag ready
  • 4.Sign up for local emergency alerts
  • 5.Create a home inventory for insurance purposes
Full Houston Risk ReportAll Texas Flood Risk