ZIP Code 77389

14,120 properties in this area

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77389 Summary Statistics

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

Area Overview

The majority of properties (97%) sit in FEMA Zone X with minimal flood risk. At an average elevation of 138.8 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 Risk13,720 (97.2%)

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

AEHigh Risk395 (2.8%)

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

AHigh Risk5 (0.0%)

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.

Very Low13,720
97.2%
Moderate400
2.8%
Average Ground Elevation138.8 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 Level32.9/100(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 Sources11.6%PBTs (Persistent Bioaccumulative Toxics) accumulate in the environment and food chain.
Avg. TRI Facilities Nearby0.4Average number of TRI-reporting industrial facilities within 2 miles of properties.

Real Estate Summary

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

Property Values

Median Home Value$473,107
Average Home Value$661,069
Year-over-Year Change+8.27%

Home Characteristics

Average Home Size3,585 sq ft
Average Lot Size14,059 sq ft
Average Year Built2003

Based on 12,509 residential properties in this ZIP code.

Home Age Distribution

Before 195022
0.2%
1950-1969298
2.4%
1970-19892,065
16.4%
1990-20094,390
34.9%
2010+5,804
46.1%

Property Types

Real, Residential, Single-Family12,234 (74%)
Personal Prop. Mobile Home1,115 (6.7%)
Other Exempt (Government)1,040 (6.3%)
Real, Vacant Lots/Tracts (Not in City)935 (5.7%)
Real, Commercial338 (2%)

Recent Permits (Last 5 Years)

New Dwelling - permit482
Extra Features (OB&Y)399
Additions or Remodeling158
New Building64
New Dwelling - no permit56

New Construction

Properties with New Construction255
Total New Construction Value$100,390,059
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