Island County, Washington
8 ZIP codes · Home Safety Score unavailable · 0 of 8 tracked ZIP records scored
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Island County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.2 (asthma 10.4%, diabetes 10.2%)
Modeled additional annual cost estimate per homeowner: $2,074, largest modeled factor: Flood
35% of homes built before 1980 (lead paint was banned for residential use in 1978)
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,074
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
50,135 housing units in Island 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 Island County
Modeled remediation costs in Island 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 Island County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Island County ZIP codes
8 community water systems mapped to Island County ZIP codes; EPA may list more systems serving the county.
Show all 8 water systems
32 water systems mapped to Island County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Island County
5 water systems with violations in EPA records.
All ZIP Codes in Island County
8 ZIP codes tracked in Island County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 98236 | Clinton | — | — | 14 (1 health) | $611K |
| 2 | 98239 | Coupeville | — | — | 80 (33 health) | $578K |
| 3 | 98249 | Freeland | — | — | 48 (10 health) | $586K |
| 4 | 98260 | Langley | — | — | 57 (29 health) | $646K |
| 5 | 98277 | Oak Harbor | — | — | 152 (41 health) | $455K |
| 6 | 98278 | Oak Harbor | — | — | 0 | — |
| 7 | 98282 | Camano Island | — | — | 92 (16 health) | $600K |
| 8 | 98292 | Stanwood | — | — | 16 | $611K |
Recommended Buyer Guides for Island County
The guides listed here are chosen from this county's data, and the short note beside each one says why it made the list.
- Water Filters Certified for PFAS Reduction — PFAS detected in 1 ZIP code
- Best Water Filters for Lead — Lead above EPA action level in 2 ZIP codes
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Island County, Washington
Overview
Island County in Washington covers 8 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 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 87 health-based violations appear in the available health breakdown.
← 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.