COUNTY REPORT TX

McMullen County, Texas

2 ZIP codes · Home Safety Score unavailable · 0 of 2 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 2 tracked ZIP records scored
2
ZIP Codes
$98K
Median Home Value
$1,800
Avg Remediation (183% of home value)

Key Risk Factors

Health risk index: 15.3 (asthma 9.5%, diabetes 17.8%)

Estimated additional annual cost per homeowner: $3,595, driven primarily by sea_level

48% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.5% (national: 8.9%)
Diabetes 17.8% (national: 10.5%)
Obesity 38.6% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1992
Median Build Year
48%
Pre-1978 Housing
36/100
Infrastructure Stress Indicator
50%
ZIPs with High Infrastructure Stress
Moderate
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $3,595

Sea Level Rise $3,000/yr
Energy Code Gap $270/yr
Flood $200/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

337 housing units in McMullen County

Pre-1940 11%
1940–1959 14%
1960–1979 20%
1980–1999 18%
2000+ 37%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in McMullen County

$98K
Median Home Value
$1,800
Est. Remediation Cost
1.8%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in McMullen County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for McMullen County residents

Asthma 9.5% (US avg: 8.9%)
Diabetes 17.8% (US avg: 11%)
Obesity 38.6% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

All ZIP Codes in McMullen County

2 ZIP codes tracked in McMullen County.

# ZIP Code City Safety Score Grade Violations Home Value
1 78007 Calliham
2 78072 Tilden $98K

Recommended Buyer Guides for McMullen County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Overview

McMullen County in Texas covers 2 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in McMullen County.

← Back to Texas Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

What is the biggest environmental risk in McMullen County?
The primary environmental risk factor in McMullen County is sea_level. This contributes to an estimated additional annual cost of $3,595 per homeowner.
How old are homes in McMullen County?
The median home build year in McMullen County is 1992. 48% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). McMullen County, Texas Home Safety Profile. https://zipcheckup.com/county/texas/mcmullen/
BibTeX
@misc{zipcheckup-county-texas-mcmullen,
  author = {{ZipCheckup}},
  title  = {{McMullen County, Texas Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/texas/mcmullen/}
}

Page version: August 2026.

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