Is Saint Mary, MO Safe to Buy? Home Safety Score 50/100
Score 50/100 · Risk: moderate-high · Water Grade D · Updated 2026-05-03
Saint Mary has moderate-to-high risk. Several risk factors require careful evaluation.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
Looking at Saint Mary's cost and property data together, estimated remediation figures fall in the lower portion of the equity-share spectrum — a classification that reflects local valuations and places safety planning well within reach for most property owners 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. Saint Mary scores 50/100 with a "moderate-high" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Saint Mary:
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 Saint Mary's 1 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 63673 | 50 | D | View report → |
Home Safety Overview
Saint Mary, Missouri has moderate-to-high risk for homebuyers. The average home safety score is 50/100 across 1 ZIP codes. Several risk factors require careful evaluation during due diligence.
Safety Score Card
A composite view of Saint Mary's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade D (50/100) | Elevated risk |
| Lead Risk | Testing pending | Low risk |
| Flood Risk | 1% in flood zones | Low risk |
| Radon | Zone 2 (Moderate) | Moderate risk |
| Air Quality | AQI 54 (Moderate) | Moderate risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Saint Mary:
| Component | Estimated Cost |
|---|---|
| Radon | $400 |
| Flood Insurance | $1K |
| Total (low estimate) | $800 |
| 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.
Saint Mary vs. Nearby Missouri Cities
How Saint Mary's overall risk compares to similar cities in Missouri:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Saint Mary | D | 0 | 198 | 8,555 |
| Mc Bride | C | 0 | 13 | 8,555 |
| Willard | B | 0 | 4 | 8,475 |
| Lathrop | C | 0 | 2 | 8,663 |
Homebuyer Safety Checklist for Saint Mary
Before purchasing a home in Saint Mary, Missouri, 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)
- Saint Mary is in Radon Zone 2 (Moderate 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
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
- 61% of Saint Mary homes built before 1986 — pipe inspection recommended
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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