Features

FloodMaps combines official government data, live monitoring, high-resolution elevation models, and AI analysis to give you a property-specific picture of flood risk. Free features are available to everyone — upgrade to Premium for the full picture.

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AI-Powered Analysis

Our AI engine synthesizes every data layer into a plain-language risk assessment for your specific address — not a generic zone-level summary.

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Downloadable PDF Report

Comprehensive, shareable PDF reports with all analysis, charts, and map imagery. Perfect for realtors, lenders, and insurance discussions.

Core Risk Intelligence

Free
FEMA Flood Zone Data

Official designations from the National Flood Hazard Layer — Special Flood Hazard Areas, moderate-risk zones, and everything in between for any Houston property.

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FEMA Draft Proposed Zones

See proposed flood zone changes before they take effect. Know if your property may move into a higher-risk zone and plan accordingly.

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Enhanced Flood Risk Score

A proprietary FloodMaps risk score that weighs elevation, zone, history, and infrastructure into a single, easy-to-understand number.

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Hurricane Harvey Damage Data

Address-level FEMA claims and modeled damage from Hurricane Harvey, including inundation depth and damage classification for your property and nearby structures.

Core Analysis

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Live Houston 311 Flood Feed

Real-time flood and drainage reports mapped around your property. See neighborhood flooding patterns, open cases, and recurring problem areas.

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Subsidence Data

Ground subsidence (sinkage) data from HGSD monitoring stations. Understand how the land beneath your property is shifting over time.

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LiDAR Elevation Mapping

High-resolution USGS 3DEP elevation data calculates your property's ground elevation relative to nearby flood channels — a critical factor flat FEMA maps miss.

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Flood Risk Over Mortgage

Cumulative flood probability calculated over your mortgage term, showing the real odds of flooding during the life of your loan.

Additional Data

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Flood Gauge History

Historical water level data from nearby HCFCD gauges. See how your area responded during past flood events, including Hurricane Harvey.

Free
NOAA Rainfall Statistics

Atlas 14 precipitation frequency estimates showing expected rainfall intensity for 100-year and 500-year storm events in your area.

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Flood Depth Visualization

Modeled flood depth estimates at your property for major storm scenarios, showing how deep water could reach based on elevation and drainage data.

Free
Flood Infrastructure Proximity

Distance to the nearest HCFCD bayou, channel, and detention basin — critical for understanding drainage capacity around your property.

Free
Property Info (HCAD Data)

Harris County Appraisal District property data including appraised value, land use classification, lot acreage, and account details.

Check your flood risk

Search any Houston address for a free flood analysis report