Neighborhood · Flood Risk
FloodMapsGet a detailed flood report of any Houston property
MAAPnext 2026 Status
Under Review
Clear Creek and Dickinson Bayou modeling being updated
Primary FEMA Zones
Harvey Impact
Moderate~800 FEMA claims filed in 2017
Primary Watershed
Clear Creek
Drains into Galveston Bay with tidal and storm surge influence
Est. Flood Insurance Cost
$1,400–$3,200
Higher near bay due to storm surge zone premiums
Drainage Infrastructure
Clear Creek federal flood damage reduction and storm surge barriers
USACE channel improvements and coastal protection infrastructure
Many do. League City properties in FEMA Zone AE along Clear Creek and Zone VE near Galveston Bay require flood insurance for federally backed mortgages. Zone VE designates coastal high-hazard areas with wave action exposure. Annual premiums range $1,400–$3,200. Dickinson Bayou tributaries add additional flood exposure to southern portions of the city.
Yes, they’re under review. FEMA’s MAAPnext program is updating Clear Creek and Dickinson Bayou watershed modeling for League City, incorporating revised coastal storm surge data and post-Harvey drainage improvements. No preliminary maps have been released yet. Current AE, VE, and X designations remain effective while updated hydrology and surge models are finalized.
Moderately. League City recorded approximately 800 FEMA flood claims after Harvey in August 2017, primarily from rainfall-driven flooding along Clear Creek and its tributaries rather than storm surge. Inundation depths of 1–3 feet affected low-lying subdivisions. Future hurricanes with stronger surge components could produce significantly worse coastal flooding than Harvey delivered.
League City faces dual flood risk: rainfall-driven flooding from Clear Creek and Dickinson Bayou, plus coastal storm surge from Galveston Bay. Zone VE — rare in inland communities — designates areas subject to wave action. The federal flood damage reduction project along Clear Creek provides some relief, but bay proximity creates inherent surge exposure during tropical systems.
It depends on the property’s elevation and bay proximity. League City’s risk varies dramatically — inland homes near I-45 face primarily creek-driven flooding, while bayfront properties carry both surge and wave exposure. A FloodMaps report shows your exact elevation, storm surge zone, FEMA designation, creek proximity, and AI-analyzed risk score.
League City is a growing coastal community in Galveston County along Clear Creek and near Galveston Bay, where flood risk comes from both rainfall-driven creek flooding and coastal storm surge. With properties spanning FEMA Zones AE, VE, and X, flood exposure varies significantly based on elevation and bay proximity — making address-level analysis essential for any homebuyer.
FloodMaps provides address-level flood risk reports for every property in League City, combining FEMA flood zone designations, USGS 3DEP LiDAR elevation data, NOAA coastal storm surge modeling, Clear Creek and Dickinson Bayou proximity analysis, Hurricane Harvey damage records, subsidence monitoring, and live Houston 311 flood reports. Each report includes base flood elevation comparisons, freeboard calculations, and an AI-powered risk summary.
If you’re considering purchasing a home in League City, evaluating your flood insurance costs, or want to understand how coastal storm surge zones and creek flooding affect your specific property, search your address for a comprehensive flood risk analysis — including surge modeling and bay proximity data that traditional FEMA flood maps don’t fully capture.