COUNTY REPORT TX

Kendall County, Texas

5 ZIP codes · Home Safety Score unavailable · 0 of 5 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 5 tracked ZIP records scored
5
ZIP Codes
$391K
Median Home Value
$1,940
Avg Remediation (50% of home value)

ZIP Code Risk Map

Water Quality Map: Kendall County, Texas

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 12 (asthma 9.3%, diabetes 11.1%)

Estimated additional annual cost per homeowner: $2,134, driven primarily by sea_level

51.8% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

EPA violation counts by year across Kendall County water systems. Health-based shown in red, total in blue.

2021
3 (3 health)
2023
2 (2 health)
2024
7 (7 health)
2025
3 (3 health)

Peak year: 2024 with 7 violations. Past 5 years: 15 total (15 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 9.3% (national: 8.9%)
Diabetes 11.1% (national: 10.5%)
Obesity 34.3% (national: 32.4%)

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

Infrastructure Overview

1980
Median Build Year
51.8%
Pre-1978 Housing
36/100
Infrastructure Stress Indicator
40%
ZIPs with High Infrastructure Stress
High
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: $2,134

Sea Level Rise $3,000/yr
Flood $720/yr
Wildfire $300/yr

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

Housing Age Distribution

17,115 housing units in Kendall County

Pre-1940 2%
1940–1959 3%
1960–1979 10%
1980–1999 30%
2000+ 55%

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 Kendall County

$391K
Median Home Value
$1,940
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Kendall 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 Kendall County residents

Asthma 9.3% (US avg: 8.9%)
Diabetes 11.1% (US avg: 11%)
Obesity 34.3% (US avg: 32.4%)

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

Water systems serving Kendall County

5 community water systems serving Kendall County.

Systems with the most violations in Kendall County

3 water systems with recorded EPA violations.

All ZIP Codes in Kendall County

5 ZIP codes tracked in Kendall County.

# ZIP Code City Safety Score Grade Violations Home Value
1 77978 Point Comfort $116K
2 78004 Bergheim 5 (3 health) $692K
3 78006 Boerne 17 (10 health) $503K
4 78027 Kendalia $280K
5 78074 Waring

Recommended Buyer Guides for Kendall County

Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.

Overview

Kendall County in Texas covers 5 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.

2 of 2 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 10 health-based violations appear in the available health breakdown.

← 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

How many water systems serve Kendall County?
Kendall County is served by 5 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Kendall County?
The primary environmental risk factor in Kendall County is sea_level. This contributes to an estimated additional annual cost of $2,134 per homeowner.
How old are homes in Kendall County?
The median home build year in Kendall County is 1980. 51.8% 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). Kendall County, Texas Home Safety Profile. https://zipcheckup.com/county/texas/kendall/
BibTeX
@misc{zipcheckup-county-texas-kendall,
  author = {{ZipCheckup}},
  title  = {{Kendall County, Texas Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/texas/kendall/}
}

Page version: August 2026.

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