Is Rexburg, ID Safe to Buy? Home Safety Score 82/100
Score 82/100 · Risk: moderate · Water Grade C · Updated 2026-05-03
Rexburg has moderate risk. Some factors warrant attention during the home buying process.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
Should Rexburg homeowners worry about the financial impact of these safety upgrades? The cost data puts this in the lower equity-share tier — a planning decision rather than a major financial commitment for most households here.
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. Rexburg scores 82/100 with a "moderate" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Rexburg:
Cost ranges are estimates based on national averages. Actual costs vary by property. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Safety scores vary across Rexburg's 3 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 83440 | 82 | B | View report → |
| 83441 | 82 | B | View report → |
| 83460 | 82 | B | View report → |
Home Safety Overview
Rexburg, Idaho has moderate risk for homebuyers. The average home safety score is 82/100 across 3 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Rexburg's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade C (66/100) | Moderate risk |
| Lead Risk | 0.0020 mg/L | Low risk |
| Flood Risk | 33% in flood zones | Elevated risk |
| Radon | Zone 1 (High) | Elevated risk |
| Air Quality | AQI 23 (Good) | Low risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Rexburg:
| Component | Estimated Cost |
|---|---|
| Radon | $1K |
| Filtration | $300 |
| Flood Insurance | $400 |
| Total (low estimate) | $1K |
| Total (mid estimate) | $2K |
| Total (high estimate) | $3K |
Cost ranges are estimates based on national averages and local data. Actual costs vary by property condition, contractor, and scope of work. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Home safety varies across Rexburg's ZIP codes. Lower scores indicate more risk factors:
Rexburg vs. Nearby Idaho Cities
How Rexburg's overall risk compares to similar cities in Idaho:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Rexburg | C | 0 | 8 | 41,496 |
| Post Falls | C | 0 | 1 | 41,190 |
| Lewiston | A | 0 | 5 | 35,764 |
| Moscow | C | 0 | 48 | 34,998 |
Homebuyer Safety Checklist for Rexburg
Before purchasing a home in Rexburg, Idaho, 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)
- Rexburg is in Radon Zone 1 (High risk) — testing is strongly recommended
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
- 33% of Rexburg is in flood zones — verify insurance requirements
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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