Is Anderson Island, WA Safe to Buy? Home Safety Score 99/100
Score 99/100 · Risk: low · Water Grade A · Updated 2026-05-03
Anderson Island has low overall risk for homebuyers. Most safety indicators are within acceptable ranges.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
What is a home safety score?
The home safety score (0-100) combines multiple environmental risk factors into a single number: water quality grade, lead contamination levels, flood zone exposure, radon risk, and air quality. A higher score means lower overall risk. The score helps homebuyers compare neighborhoods at a glance. Anderson Island scores 99/100 with a "low" risk level.
Per-ZIP Home Safety Scores
Safety scores vary across Anderson Island's 1 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 98303 | 99 | A | View report → |
Home Safety Overview
Anderson Island, Washington has low overall risk for homebuyers. The average home safety score is 99/100 across 1 ZIP codes. While no area is risk-free, Anderson Island performs well across water quality, lead exposure, flood risk, and environmental factors.
Safety Score Card
A composite view of Anderson Island's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade A (99/100) | Low risk |
| Lead Risk | 0.0026 mg/L | Low risk |
| Flood Risk | 0% in flood zones | Low risk |
| Radon | Zone 3 (Low) | Low risk |
| Air Quality | AQI 7 (Good) | Low risk |
Anderson Island vs. Nearby Washington Cities
How Anderson Island's overall risk compares to similar cities in Washington:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Anderson Island | A | 0 | 0 | 1,380 |
| Longbranch | B | 0 | 3 | 1,380 |
| Coulee Dam | C | 0 | 0 | 1,359 |
| Keller | D | 0 | 0 | 1,359 |
Homebuyer Safety Checklist for Anderson Island
Before purchasing a home in Anderson Island, Washington, complete these checks:
Water Quality
- Request the latest Consumer Confidence Report (CCR) from the water utility
- Test tap water for lead, bacteria, and nitrates ($20-$50 for DIY kit)
Radon
- Conduct a radon test ($15-$30 for short-term kit, $150-$300 for professional)
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
General
- Check for carbon monoxide detectors on every level
- Inspect for visible mold, water stains, or musty odors
- Verify the home's connection to a regulated public water system
Data Sources
- Water quality: EPA SDWIS
- Lead: EPA Lead and Copper Rule
- Flood: FEMA NFIP
- Radon: EPA Radon Zones
- Air quality: EPA AirNow
- Home values: U.S. Census Bureau ACS B25077
- Remediation costs: National cost model (EPA, Census, FEMA data)
Updated daily.
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