Asotin County, Washington
3 ZIP codes · Avg score 83/100 · Grade B · Updated
ZipCheckup grade for Asotin County: B.
This ZIP looks solid, with a few items worth a quick check.
Asotin County's tap water quality puts it in the upper tier nationally; the 3 ZIP codes here record few health-based violations.
How Asotin County Compares
How Asotin County Compares
Asotin County scores 3 points below the Washington state average (86/100) and 10 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
Key Risk Factors
Health risk index: 14 (asthma 11.7%, diabetes 12.6%)
Estimated additional annual cost per homeowner: $1,250, driven primarily by energy_code_gap
58.3% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $1,250
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
10,124 housing units in Asotin County
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 Asotin County
Remediation costs are relatively manageable for most homeowners in Asotin 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 Asotin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Asotin County
1 community water system serving Asotin County.
- B
All ZIP Codes in Asotin County
3 ZIP codes tracked in Asotin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 99403 | Clarkston | 83 | B | 0 | $284K |
| 2 | 99401 | Anatone | — | — | 0 | $322K |
| 3 | 99402 | Asotin | — | — | 0 | $296K |
Recommended Buyer Guides for Asotin 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.
- Best Lead Paint Test Kits — 58.3% of homes built before 1978
Overview
Asotin County in Washington covers 3 tracked ZIP records with an average Home Safety Score of B (83/100) across 1 scored records.
The available EPA record reports 0 violations for 3 ZIP codes with a reported violation count.
← Back to Washington Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.