ZIP Code 77040

13,168 properties in this area

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77040 Summary Statistics

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

Area Overview

The majority of properties (71%) sit in FEMA Zone X with minimal flood risk. However, 29% of properties are in high-risk flood zones (AE, AO, A) where flood insurance is required. At an average elevation of 94.9 feet above sea level, this is a relatively elevated area for the Houston region. Properties here have moderate pollution levels compared to the Houston metro, with 100% within 2 miles of facilities releasing known carcinogens.

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 Risk9,390 (71.3%)

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

AEHigh Risk3,414 (25.9%)

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

AOHigh Risk346 (2.6%)

Shallow flooding 1-3 ft from rivers/streams. Insurance required.

AHigh Risk18 (0.1%)

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 Low9,390
71.3%
Moderate3,778
28.7%
Average Ground Elevation94.9 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 Level60.6/100(Moderate)Higher = more pollution exposure from nearby industrial facilities.
Properties Near Carcinogen Sources100%Within 2 miles of facilities releasing known carcinogens.
Properties Near PBT Sources100%PBTs (Persistent Bioaccumulative Toxics) accumulate in the environment and food chain.
Avg. TRI Facilities Nearby11.3Average 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$265,725
Average Home Value$344,300
Year-over-Year Change+3.53%

Home Characteristics

Average Home Size2,617 sq ft
Average Lot Size9,933 sq ft
Average Year Built1986

Based on 11,018 residential properties in this ZIP code.

Home Age Distribution

Before 195023
0.2%
1950-1969435
3.9%
1970-19896,586
59.4%
1990-20093,316
29.9%
2010+736
6.6%

Property Types

Real, Residential, Single-Family11,058 (77%)
Other Exempt (Government)1,331 (9.3%)
Real, Commercial842 (5.9%)
Personal Prop. Mobile Home472 (3.3%)
Real, Vacant Commercial225 (1.6%)

Recent Permits (Last 5 Years)

Repairs (Foundation / GM)431
Additions or Remodeling178
Extra Features (OB&Y)106
New Building39
Fire Reports25

New Construction

Properties with New Construction69
Total New Construction Value$14,051,385
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