COUNTY REPORT TX

Comal County, Texas

10 ZIP codes · Home Safety Score unavailable · 0 of 10 tracked ZIP records scored

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

Unavailable
0 of 10 tracked ZIP records scored
10
ZIP Codes
$470K
Median Home Value
$1,100
Avg Remediation (0.23% of home value)

ZIP Code Risk Map

Water Quality Map: Comal 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: 11.9 (asthma 9.4%, diabetes 11.2%)

Modeled additional annual cost estimate per homeowner: $1,894, largest modeled factor: Flood

18% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 9.4% (national: 8.9%)
Diabetes 11.2% (national: 10.5%)
Obesity 35% (national: 32.4%)

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

Infrastructure Overview

2001
Median Build Year
18%
Pre-1980 Housing
31/100
Infrastructure Stress Indicator
0%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,894

Flood $1,711/yr
Wildfire $300/yr
Energy Code Gap $77/yr

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

Housing Age Distribution

81,105 housing units in Comal County

Pre-1940 3%
1940–1959 4%
1960–1979 11%
1980–1999 26%
2000+ 56%

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 Comal County

$470K
Median Home Value
$1,100
Est. Remediation Cost
0.2%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Comal County can be compared with the median property value; actual costs vary by property.

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 Comal County residents

Asthma 9.4% (US avg: 8.9%)
Diabetes 11.2% (US avg: 11%)
Obesity 35% (US avg: 32.4%)

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

Water systems mapped to Comal County ZIP codes

8 community water systems mapped to Comal County ZIP codes; EPA may list more systems serving the county.

Show all 8 water systems

21 water systems mapped to Comal County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Comal County

5 water systems with violations in EPA records.

All ZIP Codes in Comal County

10 ZIP codes tracked in Comal County.

# ZIP Code City Safety Score Grade Violations Home Value
1 78070 Spring Branch — — 29 (8 health) $470K
2 78130 New Braunfels — — 13 (3 health) $296K
3 78131 New Braunfels — — —
4 78132 New Braunfels — — 191 (63 health) $571K
5 78133 Canyon Lake — — 41 (11 health) $300K
6 78135 New Braunfels — — —
7 78163 Bulverde — — 31 (11 health) $431K
8 78266 San Antonio — — 169 (58 health) $553K
9 78291 San Antonio — — —
10 78623 Fischer — — 20 (5 health) $564K

Recommended Buyer Guides for Comal County

Read the note next to each link: it gives the reason, such as a radon zone designation or housing age, that led to the recommendation.

Overview

Comal County in Texas covers 10 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.

7 of 7 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 78 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 Comal County?
We map 21 public water systems to 10 ZIP codes in our data for Comal County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Comal County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Comal County is flood. Across all modeled risk factors, the estimated average additional annual cost is $1,894 per homeowner; actual costs vary by home.
How old are homes in Comal County?
The median home build year in Comal County is 2001. 18% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

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

Page version: October 2026.

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