ZIP Code 77433

44,187 properties in this area

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77433 Summary Statistics

Flood risk, pollution data, and real estate statistics for this area

Area Overview

The majority of properties (95%) sit in FEMA Zone X with minimal flood risk. At an average elevation of 151.9 feet above sea level, this is a higher elevation area for the Houston region. Properties here have lower pollution exposure than the Houston average.

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.

XMinimal Risk41,998 (95.0%)

Outside 100-year floodplain. Flood insurance optional but recommended.

AEHigh Risk2,189 (5.0%)

1% annual flood chance with base flood elevations. Insurance required.

Flood Risk Level

Our flood risk assessment combines FEMA flood zone, elevation, and proximity to bayous into a single rating.

Very Low41,998
95.0%
Moderate2,189
5.0%
Average Ground Elevation151.9 ftAbove sea level. Higher elevation generally means lower flood risk.

Pollution Summary

Based on EPA Toxics Release Inventory (TRI) data. TRI tracks industrial facilities that release toxic chemicals into air, water, or land.

Pollution Exposure Level31.5/100(Low)Higher = more pollution exposure from nearby industrial facilities.
Properties Near Carcinogen Sources1.6%Within 2 miles of facilities releasing known carcinogens.
Properties Near PBT Sources1.6%PBTs (Persistent Bioaccumulative Toxics) accumulate in the environment and food chain.

Real Estate Summary

Based on 2025 Harris County Appraisal District (HCAD) data for residential properties.

Property Values

Median Home Value$425,126
Average Home Value$510,000
Year-over-Year Change+8.82%

Home Characteristics

Average Home Size3,072 sq ft
Average Lot Size9,903 sq ft
Average Year Built2012

Based on 40,387 residential properties in this ZIP code.

Home Age Distribution

Before 195020
0%
1950-196935
0.1%
1970-19891,109
2.7%
1990-200914,293
34.9%
2010+25,460
62.2%

Property Types

Real, Residential, Single-Family40,771 (82.7%)
Real, Vacant Lots/Tracts (Not in City)5,077 (10.3%)
Other Exempt (Government)1,671 (3.4%)
Real, Commercial738 (1.5%)
Real, Vacant Commercial459 (0.9%)

Recent Permits (Last 5 Years)

New Dwelling - permit9,764
Extra Features (OB&Y)1,403
New Dwelling - no permit1,008
Additions or Remodeling424
New Building299

New Construction

Properties with New Construction2,879
Total New Construction Value$990,249,549
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