COUNTY REPORT CO

Costilla County, Colorado

7 ZIP codes · Home Safety Score unavailable · 0 of 7 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 7 tracked ZIP records scored
7
ZIP Codes
$157K
Median Home Value
$1,129
Avg Remediation (72% of home value)

ZIP Code Risk Map

Water Quality Map: Costilla County, Colorado

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: 14.1 (asthma 10.4%, diabetes 17%)

Estimated additional annual cost per homeowner: $977, driven primarily by energy_code_gap

63% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.4% (national: 8.9%)
Diabetes 17% (national: 10.5%)
Obesity 31.6% (national: 32.4%)

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

Infrastructure Overview

1983
Median Build Year
63%
Pre-1978 Housing
47/100
Infrastructure Stress Indicator
57%
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: $977

Energy Code Gap $540/yr
Flood $200/yr
Water Infrastructure $186/yr

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

Housing Age Distribution

3,090 housing units in Costilla County

Pre-1940 21%
1940–1959 7%
1960–1979 17%
1980–1999 35%
2000+ 19%

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 Costilla County

$157K
Median Home Value
$1,129
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.4% (US avg: 8.9%)
Diabetes 17% (US avg: 11%)
Obesity 31.6% (US avg: 32.4%)

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

All ZIP Codes in Costilla County

7 ZIP codes tracked in Costilla County.

# ZIP Code City Safety Score Grade Violations Home Value
1 81123 Blanca $124K
2 81126 Chama $168K
3 81133 Fort Garland $259K
4 81134 Garcia
5 81138 Jaroso
6 81151 Sanford $157K
7 81152 San Luis $136K

Recommended Buyer Guides for Costilla County

If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations - federal data drives the order, not retailer arrangements.

Overview

Costilla County in Colorado covers 7 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 Costilla County.

← Back to Colorado 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 Costilla County?
The primary environmental risk factor in Costilla County is energy_code_gap. This contributes to an estimated additional annual cost of $977 per homeowner.
How old are homes in Costilla County?
The median home build year in Costilla County is 1983. 63% 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). Costilla County, Colorado Home Safety Profile. https://zipcheckup.com/county/colorado/costilla/
BibTeX
@misc{zipcheckup-county-colorado-costilla,
  author = {{ZipCheckup}},
  title  = {{Costilla County, Colorado Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/colorado/costilla/}
}

Page version: August 2026.

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