Neighborhood · Flood Risk
FloodMapsGet a detailed flood report of any Houston property
MAAPnext 2026 Status
Preliminary Maps Released
San Jacinto River and Lake Houston zones significantly expanded
Primary FEMA Zones
Harvey Impact
Severe2,500+ FEMA claims filed in 2017
Primary Watershed
San Jacinto River
Major river system feeding Lake Houston
Est. Flood Insurance Cost
$2,200–$4,500
Based on estimated annual flood insurance premium
Drainage Infrastructure
Lake Houston spillway and HCFCD channels
Dam operations and flood control district channel maintenance
Many do. A significant portion of Humble properties along the San Jacinto River and near Lake Houston fall within FEMA Zones AE and A, requiring flood insurance for federally backed mortgages. Even Zone X lots face substantial risk given the area’s low-lying terrain. Annual premiums range $2,200–$4,500, among the highest in northeast Harris County.
Yes. FEMA’s MAAPnext 2026 preliminary maps have been released for Humble, significantly expanding the Special Flood Hazard Area along the San Jacinto River and Lake Houston. Updated hydrology models incorporate dam spillway operations and post-Harvey flow data. Many Zone X properties are being reclassified into Zone AE, triggering mandatory flood insurance requirements.
Severely. Humble recorded over 2,500 FEMA flood damage claims after Harvey in August 2017. The San Jacinto River overflowed its banks and Lake Houston reached record elevations, submerging residential neighborhoods with 3–6 feet of water. The Lake Houston spillway operated at capacity for days, and HCFCD channels throughout the area were overwhelmed.
Humble sits along the San Jacinto River near Lake Houston, creating massive exposure from both river overflow and dam spillway operations. Unlike bayou-adjacent neighborhoods that drain within hours, Humble’s river flooding persists for days as Lake Houston slowly recedes. HCFCD channels in the area provide local drainage, but upstream San Jacinto River flows dominate overall risk.
It depends on the property’s elevation and river proximity. Humble’s flood risk varies substantially — homes on higher ground away from the San Jacinto corridor face manageable exposure, while riverfront lots carry severe Zone AE risk. A FloodMaps report shows your exact elevation, Lake Houston proximity, FEMA zone, Harvey damage history, and AI-analyzed risk score.
Humble is a community in northeast Harris County along the San Jacinto River near Lake Houston, where flood risk is driven by river overflow and dam spillway operations. With significant portions in FEMA Zones AE and A, and MAAPnext 2026 maps expanding flood hazard boundaries, property-level flood analysis is essential for any buyer considering this affordable but flood-exposed market.
FloodMaps provides address-level flood risk reports for every property in Humble, combining FEMA flood zone designations, USGS 3DEP LiDAR elevation data, San Jacinto River proximity analysis, Lake Houston dam operations data, HCFCD channel infrastructure, 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 Humble, evaluating your flood insurance costs, or want to understand how Lake Houston spillway operations and San Jacinto River flooding affect your specific property, search your address for a comprehensive flood risk analysis — including river hydrology data that traditional FEMA flood maps don’t capture.