ZIP Code 77099
9,701 properties in this area
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77099 Summary Statistics
Flood risk, pollution data, and real estate statistics for this area
Area Overview
This area has significant flood exposure, with 32% of properties in high-risk FEMA zones (AE, AO, A). At an average elevation of 79 feet above sea level, this is a relatively elevated area for the Houston region. Properties here have lower pollution exposure than the Houston average, though 35% are near industrial carcinogen sources.
Flood Risk Summary
FEMA Flood Zones
FEMA designates flood zones based on flood risk. Flood insurance is required for high-risk zones with federally backed mortgages.
Outside 100-year floodplain. Flood insurance optional but recommended.
1% annual flood chance with base flood elevations. Insurance required.
Shallow flooding 1-3 ft from rivers/streams. Insurance required.
1% annual flood chance. Flood insurance required for federally backed mortgages.
Flood Risk Level
Our flood risk assessment combines FEMA flood zone, elevation, and proximity to bayous into a single rating.
Pollution Summary
Based on EPA Toxics Release Inventory (TRI) data. TRI tracks industrial facilities that release toxic chemicals into air, water, or land.
Real Estate Summary
Based on 2025 Harris County Appraisal District (HCAD) data for residential properties.
Property Values
Home Characteristics
Based on 7,607 residential properties in this ZIP code.