Is Saint Louis, MO Safe to Buy? Home Safety Score 77/100
Score 77/100 · Risk: moderate · Home Safety Grade B · Updated
Saint Louis has moderate risk. Some factors warrant attention during the home buying process.
Score data: EPA SDWIS, EPA PFAS monitoring, EPA Radon Zones, EPA Air Quality Index Last verified:
At current estimates, the safety upgrade budget in Saint Louis represents a lower-tier share of typical home equity.
What is a home safety score?
Home Safety Score model 4.0.0 combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, UCMR5 PFAS, EPA radon zone, and annual AQI with complete coverage. Saint Louis scores 77/100 with a "moderate" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Saint Louis:
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 Louis's 68 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 63101 | 70 | B | View report → |
| 63102 | 70 | B | View report → |
| 63104 | 70 | B | View report → |
| 63106 | 70 | B | View report → |
| 63107 | 70 | B | View report → |
| 63108 | 70 | B | View report → |
| 63109 | 70 | B | View report → |
| 63110 | 70 | B | View report → |
| 63111 | 70 | B | View report → |
| 63112 | 70 | B | View report → |
| 63113 | 70 | B | View report → |
| 63115 | 70 | B | View report → |
| 63116 | 70 | B | View report → |
| 63118 | 70 | B | View report → |
| 63143 | 70 | B | View report → |
Home Safety Overview
Saint Louis, Missouri has moderate risk for homebuyers. The average home safety score is 77/100 across 46 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Saint Louis's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Compliance | 8 EPA violations across 46 direct ZIP records | Recorded violations |
| Lead Risk | 0.0015 mg/L | Low risk |
| Flood Risk | 85% of claim-record ZIPs have A/V-family dominant recorded rated zones | Historical claims evidence |
| Radon | Zone 2 (Moderate) | Moderate risk |
| Air Quality | AQI 65 (Moderate) | Moderate risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Saint Louis:
| Component | Estimated Cost |
|---|---|
| Pfas | $500 |
| Total (low estimate) | $300 |
| Total (mid estimate) | $500 |
| Total (high estimate) | $800 |
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 Saint Louis's ZIP codes. Lower scores indicate more risk factors:
| ZIP Code | Safety Score | Grade |
|---|---|---|
| 63101 | 70 | B |
| 63102 | 70 | B |
| 63104 | 70 | B |
| 63106 | 70 | B |
| 63107 | 70 | B |
| 63108 | 70 | B |
| 63109 | 70 | B |
| 63110 | 70 | B |
| 63111 | 70 | B |
| 63112 | 70 | B |
| 63113 | 70 | B |
| 63115 | 70 | B |
| 63116 | 70 | B |
| 63118 | 70 | B |
| 63143 | 70 | B |
Saint Louis vs. Nearby Missouri Cities
How Saint Louis's overall risk compares to similar cities in Missouri:
| City | Home Safety Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Saint Louis | B | 0 | 7,133 | 891,907 |
| Earth City | B | 0 | N/A | 1,111,000 |
| Kansas City | C | 0 | 2,048 | 602,147 |
| Springfield | C | 0 | 170 | 236,423 |
Homebuyer Safety Checklist for Saint Louis
Before purchasing a home in Saint Louis, 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 Louis 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
- Review the claims-only zone evidence: 85% of ZIPs with NFIP claim records have A/V-family dominant recorded rated zones. This does not replace an address-level FEMA map check.
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
- 84% of Saint Louis 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)
Source reporting periods vary. See each cited source for its publication schedule.
Water Quality Map: Saint Louis, MO
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
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