COUNTY REPORT CO

Grand County, Colorado

8 ZIP codes · Avg score 66/100 · Grade C

ZipCheckup grade for Grand County: C.

A mixed picture - some signals here are worth your attention.

A middle-tier grade covers Grand County's 8 ZIP codes; documented violations, where present, are worth reviewing system by system.

How Grand County Compares

Grand County66/100
Colorado avg59/100
National avg73/100

How Grand County Compares

C
County Grade
66/100
Avg Safety Score
8
ZIP Codes
8
Water Systems

Grand County scores 7 points above the Colorado state average (59/100) and 7 points below the national average (73/100).

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

C
County Grade
66
Avg Safety Score
8
ZIP Codes
Best ZIP: 80446 (66/100)
Lowest ZIP: 80482 (66/100)
$569K
Median Home Value
$500
Avg Remediation (0.09% of home value)

ZIP Code Risk Map

Water Quality Map: Grand 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: 11.1 (asthma 10.8%, diabetes 9.1%)

Modeled additional annual cost estimate per homeowner: $790, largest modeled factor: Energy Code Gap

34% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 9.1% (national: 10.5%)
Obesity 24.3% (national: 32.4%)

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

Infrastructure Overview

1985
Median Build Year
34%
Pre-1980 Housing
36/100
Infrastructure Stress Indicator
13%
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: $790

Energy Code Gap $371/yr
Wildfire $263/yr
Flood $200/yr

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

Housing Age Distribution

16,437 housing units in Grand County

Pre-1940 4%
1940–1959 4%
1960–1979 26%
1980–1999 34%
2000+ 32%

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 Grand County

$569K
Median Home Value
$500
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Grand 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 Grand County residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 9.1% (US avg: 11%)
Obesity 24.3% (US avg: 32.4%)

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

Water systems mapped to Grand County ZIP codes

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

Show all 8 water systems

Systems with the most violations in Grand County

3 water systems with violations in EPA records.

All ZIP Codes in Grand County

8 ZIP codes tracked in Grand County.

# ZIP Code City Safety Score Grade Violations Home Value
1 80446 Granby 66 C 2 $506K
2 80482 Winter Park 66 C 1 $563K
3 80442 Fraser — — 2 $597K
4 80447 Grand Lake — — 1 $576K
5 80451 Hot Sulphur Springs — — 1 $387K
6 80459 Kremmling — — $354K
7 80468 Parshall — — $617K
8 80478 Tabernash — — 1 $993K

Recommended Buyer Guides for Grand County

The mix of guides changes from county to county.

Overview

Grand County in Colorado covers 8 tracked ZIP records with an average Home Safety Score of C (66/100) across 2 scored records.

6 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← 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

Is water safe in Grand County?
Grand County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Grand County?
We map 8 public water systems to 8 ZIP codes in our data for Grand County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Grand County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Grand County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $790 per homeowner; actual costs vary by home.
How old are homes in Grand County?
The median home build year in Grand County is 1985. 34% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.
How does Grand County compare to Colorado?
Grand County has an average Home Safety Score of 66/100 under model 4.0.0, which is at or above the Colorado state average of 59/100.

How to cite this page

APA ZipCheckup. (2026). Grand County, CO: HSS 66/100; 3 Violations. https://zipcheckup.com/county/colorado/grand/
BibTeX
@misc{zipcheckup-county-colorado-grand,
  author = {{ZipCheckup}},
  title  = {{Grand County, CO: HSS 66/100; 3 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/colorado/grand/}
}

Page version: October 2026.

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