COUNTY REPORT CO

Washington County, Colorado

6 ZIP codes · Home Safety Score unavailable · 0 of 6 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 6 tracked ZIP records scored
6
ZIP Codes
$218K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Washington 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: 12.4 (asthma 11.1%, diabetes 10.5%)

Modeled additional annual cost estimate per homeowner: $540, largest modeled factor: Energy Code Gap

74% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.1% (national: 8.9%)
Diabetes 10.5% (national: 10.5%)
Obesity 26.4% (national: 32.4%)

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

Infrastructure Overview

1958
Median Build Year
74%
Pre-1980 Housing
56/100
Infrastructure Stress Indicator
100%
ZIPs with High Infrastructure Stress
High
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: $540

Energy Code Gap $540/yr

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

Housing Age Distribution

2,080 housing units in Washington County

Pre-1940 30%
1940–1959 21%
1960–1979 23%
1980–1999 17%
2000+ 10%

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

Health Outcomes vs National Average

CDC PLACES data for Washington County residents

Asthma 11.1% (US avg: 8.9%)
Diabetes 10.5% (US avg: 11%)
Obesity 26.4% (US avg: 32.4%)

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

All ZIP Codes in Washington County

6 ZIP codes tracked in Washington County.

# ZIP Code City Safety Score Grade Violations Home Value
1 80720 Akron — — $209K
2 80740 Lindon — — $245K
3 80743 Otis — — $227K
4 80757 Woodrow — — $252K
5 80801 Anton — — $194K
6 80812 Cope — — $166K

Recommended Buyer Guides for Washington 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

Washington County in Colorado covers 6 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.

No EPA violation count is attached to the tracked ZIP codes of Washington County in our data (no water system is mapped, or the mapping is held back for review), so violation records are not shown here; the local utility may still have EPA records (search EPA ECHO by system name).

← 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 Washington County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Washington County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $540 per homeowner; actual costs vary by home.
How old are homes in Washington County?
The median home build year in Washington County is 1958. 74% 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). Washington County, Colorado Home Safety Profile. https://zipcheckup.com/county/colorado/washington/
BibTeX
@misc{zipcheckup-county-colorado-washington,
  author = {{ZipCheckup}},
  title  = {{Washington County, Colorado Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/colorado/washington/}
}

Page version: October 2026.

Get safety alerts for Washington, Colorado

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.